Wildlife lens weight versus IQ

I don't do real wildlife, these were taken at the local wildlife park with the 75-300 at 300

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Peter Del
Great pictures :-) Thank you that is really helpful. So despite maybe some quirks of that lens it can deliver if used with those quirks in mind (good light and allowing for autofocus).
 
I know there are a few threads about wildlife lenses for micro four thirds, and I've looked into which ones are available. But am trying to weigh up the best thing for my needs. Weight is always a factor for me due to slight wrist problems. On the other hand I tend to always go for the best IQ or get frustrated - so I have generally used smaller prime lenses.

After a difficult year I've decided to do some new things and want to get out more and do some bird and mouse photography - small creatures. I live in a rural area so subject matter is abundant.

I've read all the reviews of the Olympus and Panasonic 100-400 zooms. I would love to get the Olympus 300mm for the IQ - but feel it will be too heavy for me, for the length in particular (longer lenses balance out the weight more) and I think a zoom lens would be better for wildlife photography and versatility.

So I'm actually keen on the idea of the smaller, lighter Olympus 75 to 300. Admittedly it doesn't have the reach of a 400mm. But I am just wondering if the IQ is "good enough" to not frustrate me.

Also be interested to hear on the "handling" of the Olympus 100-400 which is not light but does seem quite long and possibly the weight is balanced out ergonomically during use?

And does anyone find a monopod works well? For wildlife. (Might negate the weight aspects).

I'll also need a new Olympus body as currently only have the EM10ii
The lightest weight high IQ lens is likely the Panasonic Leica DG Vario-Elmarit 50-200mm F2.8-4.0, which weighs in at 655g, the image quality is supposed to be pretty good even with the included 1.4x TC (there is also a 2xTC).

Lenstip does a pretty good job of characterizing this lens and M43 lenses in general.
 
I know there are a few threads about wildlife lenses for micro four thirds, and I've looked into which ones are available. But am trying to weigh up the best thing for my needs. Weight is always a factor for me due to slight wrist problems. On the other hand I tend to always go for the best IQ or get frustrated - so I have generally used smaller prime lenses.
In my experience "best IQ" is very relative. Until you have seen, often enough, what the best glass is capable of, you don't know what "best IQ" means. Not aiming to be argumentative - but am speaking from my own experience from decades of shooting pics with a wide variety of camera systems.

And, to be clear - in my case, even when I got to shoot with the best glass, I very quickly had my nose rubbed in the fact that I did not, initially, have the skill to shoot it, to it's capability - but once I got there, with coaching and a lot of practice, I came to appreciate how special that kind of lens is. And honestly, I put the 300mm f/4 in that class - at least the sample I have.
After a difficult year I've decided to do some new things and want to get out more and do some bird and mouse photography - small creatures. I live in a rural area so subject matter is abundant.

I've read all the reviews of the Olympus and Panasonic 100-400 zooms. I would love to get the Olympus 300mm for the IQ - but feel it will be too heavy for me, for the length in particular (longer lenses balance out the weight more) and I think a zoom lens would be better for wildlife photography and versatility.

So I'm actually keen on the idea of the smaller, lighter Olympus 75 to 300. Admittedly it doesn't have the reach of a 400mm. But I am just wondering if the IQ is "good enough" to not frustrate me.

Also be interested to hear on the "handling" of the Olympus 100-400 which is not light but does seem quite long and possibly the weight is balanced out ergonomically during use?

And does anyone find a monopod works well? For wildlife. (Might negate the weight aspects).

I'll also need a new Olympus body as currently only have the EM10ii
I'll say upfront, wildlife is my thing, and have travelled all over the world and US to capture it - birds, mammals, amphibians, insects, . . .

Considering everything else, and giving you the benefit of the doubt, in terms of "best IQ" I would suggest the 300mm f/4. The lens has a good IS, don't know if that camera offers IS sync, but when you have to choose, use the IS of the largest item (lens or camera). The 300mm f/4 comes with a tripod foot already shaped for Arca-Swiss and can work very well on a monopod or light, but quality tripod. I use only carbon fiber based support - it's lighter and more resistant to shake. It will cost more, but if you cry once, that is pay up for better than you think you need in the moment, you will save in the long run, versus dipping your toe, then realizing it's not doing what you need and buying another and another.

The IS of the 300 is very good, though I have only ever used it on a camera that would sync IS, so I'm spoiled in that regard. I can't tell you how it compares to the Oly zooms - never used them. Plenty here that have. My experience with other systems, though, seems born out - consumer zooms never compete with a prime, if IQ is a high priority. Most will say they are good enough, but need to say so because that is the choice they made. (We all tend to rationalize our choice as the right choice.) If "best IQ" is your priority, then I think the 300mm f/4 is your best option - used on a monopod or tripod, so the weight doesn't give your wrist issues. I use it regularly by itself and with the TCs. Depending on what I am shooting and if with a TC and which TC, I will shoot hand held, on a monopod, or more commonly on a tripod.

With a monopod or tripod, you can shoot with lower ISO and lower shutter speeds and get razor sharp images. Lower ISO tends to lead to "best IQ". One example of what I'm talking about, shot with the EM1X with the 300mm f/4 and the 2.0x TC, so EFV of 1200mm:

Ruby-Crowned Kinglet, Malheur National Wildlife Refuge
Ruby-Crowned Kinglet, Malheur National Wildlife Refuge

Not sure if the EXIF will show or not, this was shot at ISO 400 and a shutter speed of 1/320. This is an extremely active and twitchy bird, and tiny. This could not be shot handheld anywhere close to these numbers and still be as sharp - but perhaps I am wrong, and should just say I could not do it. So, I accept my lack of skill and use a tripod, because "best IQ" is important to me.

Good luck as you consider your options. Lots of options these days, and that is a good thing.
Thank you that is really helpful. I developed an extreme "pickiness" for IQ before the days of digital. Went through all kinds of cameras and lenses and nothing quite was there for me until I bought a contax t2. Ended up with a small contax system which I loved. That did the IQ for me. Prior to that I had canon slr lenses which just weren't quite there for me. Except a 24mm one.

It can be a personal thing as well and a great picture doesn't have to be pin sharp - if it has something special about it. But sharpness and IQ does it for me. It's almost to the point that if I can't get the IQ I don't want to take the picture. I got quite OCD about it!

So I've always used prime lenses mostly and the first thing that appealed was the 300 f4 - despite the cost. For that reason. However I do think, with it being shorter and heavier than the zooms, it could be an issue for me to use (although all the tips about carbon fibre monopods are making me think twice about that!).

So yes I'd love to get that lens. But think I need to find a balance of being able to reach to 400mm and still have good IQ.

Thinking I should maybe try and hire the 300 and Olympus 100-400 and try them out.

Also if getting the 100-400 I could easily afford a new Olympus body as well.

Speaking of which. Would the Em5 be balanced enough?
 
I know there are a few threads about wildlife lenses for micro four thirds, and I've looked into which ones are available. But am trying to weigh up the best thing for my needs. Weight is always a factor for me due to slight wrist problems. On the other hand I tend to always go for the best IQ or get frustrated - so I have generally used smaller prime lenses.

After a difficult year I've decided to do some new things and want to get out more and do some bird and mouse photography - small creatures. I live in a rural area so subject matter is abundant.

I've read all the reviews of the Olympus and Panasonic 100-400 zooms. I would love to get the Olympus 300mm for the IQ - but feel it will be too heavy for me, for the length in particular (longer lenses balance out the weight more) and I think a zoom lens would be better for wildlife photography and versatility.

So I'm actually keen on the idea of the smaller, lighter Olympus 75 to 300. Admittedly it doesn't have the reach of a 400mm. But I am just wondering if the IQ is "good enough" to not frustrate me.

Also be interested to hear on the "handling" of the Olympus 100-400 which is not light but does seem quite long and possibly the weight is balanced out ergonomically during use?

And does anyone find a monopod works well? For wildlife. (Might negate the weight aspects).

I'll also need a new Olympus body as currently only have the EM10ii
The lightest weight high IQ lens is likely the Panasonic Leica DG Vario-Elmarit 50-200mm F2.8-4.0, which weighs in at 655g, the image quality is supposed to be pretty good even with the included 1.4x TC (there is also a 2xTC).

Lenstip does a pretty good job of characterizing this lens and M43 lenses in general.
Didn't even know about that one! Thanks. Will check it out. It's not 400 of course but I'm not going to get a "light" 100-400.
 
I know there are a few threads about wildlife lenses for micro four thirds, and I've looked into which ones are available. But am trying to weigh up the best thing for my needs. Weight is always a factor for me due to slight wrist problems. On the other hand I tend to always go for the best IQ or get frustrated - so I have generally used smaller prime lenses.
In my experience "best IQ" is very relative. Until you have seen, often enough, what the best glass is capable of, you don't know what "best IQ" means. Not aiming to be argumentative - but am speaking from my own experience from decades of shooting pics with a wide variety of camera systems.

And, to be clear - in my case, even when I got to shoot with the best glass, I very quickly had my nose rubbed in the fact that I did not, initially, have the skill to shoot it, to it's capability - but once I got there, with coaching and a lot of practice, I came to appreciate how special that kind of lens is. And honestly, I put the 300mm f/4 in that class - at least the sample I have.
After a difficult year I've decided to do some new things and want to get out more and do some bird and mouse photography - small creatures. I live in a rural area so subject matter is abundant.

I've read all the reviews of the Olympus and Panasonic 100-400 zooms. I would love to get the Olympus 300mm for the IQ - but feel it will be too heavy for me, for the length in particular (longer lenses balance out the weight more) and I think a zoom lens would be better for wildlife photography and versatility.

So I'm actually keen on the idea of the smaller, lighter Olympus 75 to 300. Admittedly it doesn't have the reach of a 400mm. But I am just wondering if the IQ is "good enough" to not frustrate me.

Also be interested to hear on the "handling" of the Olympus 100-400 which is not light but does seem quite long and possibly the weight is balanced out ergonomically during use?

And does anyone find a monopod works well? For wildlife. (Might negate the weight aspects).

I'll also need a new Olympus body as currently only have the EM10ii
I'll say upfront, wildlife is my thing, and have travelled all over the world and US to capture it - birds, mammals, amphibians, insects, . . .

Considering everything else, and giving you the benefit of the doubt, in terms of "best IQ" I would suggest the 300mm f/4. The lens has a good IS, don't know if that camera offers IS sync, but when you have to choose, use the IS of the largest item (lens or camera). The 300mm f/4 comes with a tripod foot already shaped for Arca-Swiss and can work very well on a monopod or light, but quality tripod. I use only carbon fiber based support - it's lighter and more resistant to shake. It will cost more, but if you cry once, that is pay up for better than you think you need in the moment, you will save in the long run, versus dipping your toe, then realizing it's not doing what you need and buying another and another.

The IS of the 300 is very good, though I have only ever used it on a camera that would sync IS, so I'm spoiled in that regard. I can't tell you how it compares to the Oly zooms - never used them. Plenty here that have. My experience with other systems, though, seems born out - consumer zooms never compete with a prime, if IQ is a high priority. Most will say they are good enough, but need to say so because that is the choice they made. (We all tend to rationalize our choice as the right choice.) If "best IQ" is your priority, then I think the 300mm f/4 is your best option - used on a monopod or tripod, so the weight doesn't give your wrist issues. I use it regularly by itself and with the TCs. Depending on what I am shooting and if with a TC and which TC, I will shoot hand held, on a monopod, or more commonly on a tripod.

With a monopod or tripod, you can shoot with lower ISO and lower shutter speeds and get razor sharp images. Lower ISO tends to lead to "best IQ". One example of what I'm talking about, shot with the EM1X with the 300mm f/4 and the 2.0x TC, so EFV of 1200mm:

Ruby-Crowned Kinglet, Malheur National Wildlife Refuge
Ruby-Crowned Kinglet, Malheur National Wildlife Refuge

Not sure if the EXIF will show or not, this was shot at ISO 400 and a shutter speed of 1/320. This is an extremely active and twitchy bird, and tiny. This could not be shot handheld anywhere close to these numbers and still be as sharp - but perhaps I am wrong, and should just say I could not do it. So, I accept my lack of skill and use a tripod, because "best IQ" is important to me.

Good luck as you consider your options. Lots of options these days, and that is a good thing.
Thank you that is really helpful. I developed an extreme "pickiness" for IQ before the days of digital. Went through all kinds of cameras and lenses and nothing quite was there for me until I bought a contax t2. Ended up with a small contax system which I loved. That did the IQ for me. Prior to that I had canon slr lenses which just weren't quite there for me. Except a 24mm one.

It can be a personal thing as well and a great picture doesn't have to be pin sharp - if it has something special about it. But sharpness and IQ does it for me. It's almost to the point that if I can't get the IQ I don't want to take the picture. I got quite OCD about it!

So I've always used prime lenses mostly and the first thing that appealed was the 300 f4 - despite the cost. For that reason. However I do think, with it being shorter and heavier than the zooms, it could be an issue for me to use (although all the tips about carbon fibre monopods are making me think twice about that!).

So yes I'd love to get that lens. But think I need to find a balance of being able to reach to 400mm and still have good IQ.

Thinking I should maybe try and hire the 300 and Olympus 100-400 and try them out.

Also if getting the 100-400 I could easily afford a new Olympus body as well.

Speaking of which. Would the Em5 be balanced enough?
The 300mm f/4 with the 1.4x will get you to 420mm (840mm FOV) and that combo works really well. I find it balances well on monopod or tripod - I use it on both.

I don't have any experience with the EM5, so I can't speak to how it will balance on the back of the 300mm f/4, naked or with a TC.

From my FF Nikon days, owning and shooting the 300mm f/2.8 and the 400mm f/2.8 were my education in top tier sharpness and image detail. In truth when I got the 400, it was the long lens that rubbed my nose in my lack of skill again. But, once I was able to raise my skill to what it was capable of, I learned what sharp was. I have aimed to not to loose that - that kind of sharpness, that kind of detail, nor the skill to capture it.

Enjoy your quest!
 
I shoot mostly small birds, insects and lizards. I had a 50-200 and found I was always at 200 and still had trouble to fill the frame. I thought why would I ever use the 50mm end when I have a 50mm prime with way better IQ. So now I have the 300mm f4 PRO and have never found it too long. In fact I mostly use it with the MC-20, but yes, that sometimes is too long. The 150-400 f4.5 PRO would be my dream lens but I can't really justify it since I have the 300mm.
 
I have the 75-300 and it's a great lens for the price. Optics are very good around the center and it's also light and compact.

I'm also very happy with the sharpness at 300mm and overall performance, so long as the light is strong. I have compared it to other lenses and it holds up very well.

Just make sure youve got a camera with good IBIS (seems you do).
 
I had the 300mm f4 Pro for a few months and tested it against the 50-200 SWD + EC14 and the Sigma APO 300mm f4 Tele Macro in Canon EF Mount.

Price differences:

Olympus 300mm f4 Pro - $2500

Olympus 50-200 SWD + EC14 - $600

Sigma APO 300mm F4 + Metabones Smart Adapter = $500

The 300mm F4 focuses the fastest, followed by the 50-200 SWD, and the Sigma.

The IQ differences were minor in most cases. The Sigma has the best bokeh, but at f4.5 for the two 300mm lenses and f4.9 for the SWD, sharpness differences and color are so close you really won't notice. What I did notice the most is the focus speed, but since my EM1.2 could never reliably capture BIF, and most of my work is stationary, I sold the 300mm f4 Pro and kept the other two.

Later, I found a newer version of the Sigma APO 300mm f4 with an HSM engine that focuses faster than the SWD. It cost $250 and that's what I use now with the Metabones adapter. No C-AF, but S-AF is fast and accurate. An example from yesterday.



749c190c41d44722beb139c7feb192fa.jpg

There are a huge number of Canon EF lenses that work with Metabones Smart Adapters that are far cheaper on the used market than Olympus pro lenses. They produce stunning images with Olympus cameras for prices not much more than the 75-300 new.
 
I had the 300mm f4 Pro for a few months and tested it against the 50-200 SWD + EC14 and the Sigma APO 300mm f4 Tele Macro in Canon EF Mount.

Price differences:

Olympus 300mm f4 Pro - $2500

Olympus 50-200 SWD + EC14 - $600

Sigma APO 300mm F4 + Metabones Smart Adapter = $500

The 300mm F4 focuses the fastest, followed by the 50-200 SWD, and the Sigma.

The IQ differences were minor in most cases. The Sigma has the best bokeh, but at f4.5 for the two 300mm lenses and f4.9 for the SWD, sharpness differences and color are so close you really won't notice. What I did notice the most is the focus speed, but since my EM1.2 could never reliably capture BIF, and most of my work is stationary, I sold the 300mm f4 Pro and kept the other two.

Later, I found a newer version of the Sigma APO 300mm f4 with an HSM engine that focuses faster than the SWD. It cost $250 and that's what I use now with the Metabones adapter. No C-AF, but S-AF is fast and accurate. An example from yesterday.

749c190c41d44722beb139c7feb192fa.jpg

There are a huge number of Canon EF lenses that work with Metabones Smart Adapters that are far cheaper on the used market than Olympus pro lenses. They produce stunning images with Olympus cameras for prices not much more than the 75-300 new.
thats a beautiful image, in fact its better than all the 300 pro images ive seen.

Ds

--
The confusion starts when the scientists can't agree amongst themselves. Henry F
 
Both have their place for what I shoot, both have some limitations.

I use the 75-300 with my E-M5 III mainly for close ups of flowers, bugs and small critters at botanical gardens. My copy is sharp up to 270mm and stopped down to f/7.1- f/8. Not my first choice for fast action or low light, but will do in a pinch.

My PL100-400 with my E-M1 III is my go to for all things where length and fast focusing is the demand… BiFs, surfers, rodeo, etc. My copy is best at 350mm and at f/7.1. I shoot always handheld and with the tripod foot removed it is comfortable and not too much of a strain on these 78 year old wrists.

That said, if I see a bug with my 100-400 I’m OK with that, and running across some kite boarders with only the 75-300 in the bag isn’t much of an issue, either (see images below)


PL100-400


Size comparison


PL100-400




75-300


75-300


75-300


PL100-400
 

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Sorry if I'd missed it. I do imagine not everyone here on DPR forums are elderly men. However, it would be nice if you could highlight your gender, your age category and any health issues.

My advice is to find the balance when buying the lens with best IQ possible with the maximum usage. Find a lens you can give you the IQ you want but doesn't be a big problem shooting with.

If you're having problems shooting with larger lenses, it mean your stabilisation muscles or grip are weak, it no different to the majority of the people going to a 24 an hour commercial gym. They can press/lift/squat heavy but anything outside their centre of gravity and they're weak. I got a well developed six pack and the only setups I do is getting out of bed. The core and the rest of the stabilisation muscles are designed to carry, use uneven weights or on uneven terrain. Training with a barbell will do little for your stabilisers .
 
I had the 300mm f4 Pro for a few months and tested it against the 50-200 SWD + EC14 and the Sigma APO 300mm f4 Tele Macro in Canon EF Mount.

Price differences:

Olympus 300mm f4 Pro - $2500

Olympus 50-200 SWD + EC14 - $600

Sigma APO 300mm F4 + Metabones Smart Adapter = $500

The 300mm F4 focuses the fastest, followed by the 50-200 SWD, and the Sigma.

The IQ differences were minor in most cases. The Sigma has the best bokeh, but at f4.5 for the two 300mm lenses and f4.9 for the SWD, sharpness differences and color are so close you really won't notice. What I did notice the most is the focus speed, but since my EM1.2 could never reliably capture BIF, and most of my work is stationary, I sold the 300mm f4 Pro and kept the other two.

Later, I found a newer version of the Sigma APO 300mm f4 with an HSM engine that focuses faster than the SWD. It cost $250 and that's what I use now with the Metabones adapter. No C-AF, but S-AF is fast and accurate. An example from yesterday.

749c190c41d44722beb139c7feb192fa.jpg

There are a huge number of Canon EF lenses that work with Metabones Smart Adapters that are far cheaper on the used market than Olympus pro lenses. They produce stunning images with Olympus cameras for prices not much more than the 75-300 new.
thats a beautiful image, in fact its better than all the 300 pro images ive seen.

Ds

--
The confusion starts when the scientists can't agree amongst themselves. Henry F
The OP wrote

“Weight is always a factor for me due to slight wrist problems.”

So I think that that 1.7kg setup will be problematic.



Another option is the 40-150 f2.8 with MC20. Slower and softer than 300 f4 but more flexible and lighter.



The problem with the Pany 50-200 is that it loses some function on the the Oly and doesn’t have a tripod collar.

There is also the unannounced Oly 50-200 coming but we know nothing about it…
 
I know there are a few threads about wildlife lenses for micro four thirds, and I've looked into which ones are available. But am trying to weigh up the best thing for my needs. Weight is always a factor for me due to slight wrist problems. On the other hand I tend to always go for the best IQ or get frustrated - so I have generally used smaller prime lenses.
The IQ you need is very dependent on what you do with your images. I seldom print my photos and never more than 11x14 and have had a number of images printed in magazines but they're usually used on-line either in my blog or on non-profits' sites. Unless you're making large prints the IQ from the 75-300 is certainly more than adequate. The 75-300 ii is apparently much better than the first version and there's individual variation between examples, if you get one be sure to test it well and return it if the IQ isn't what you'd like.

Here's a photo from my 75-300 shot through an insulated window (significantly compressed for posting) --

be442a55b1f54dbfa374684ac2230a3f.jpg
After a difficult year I've decided to do some new things and want to get out more and do some bird and mouse photography - small creatures. I live in a rural area so subject matter is abundant.

I've read all the reviews of the Olympus and Panasonic 100-400 zooms. I would love to get the Olympus 300mm for the IQ - but feel it will be too heavy for me, for the length in particular (longer lenses balance out the weight more) and I think a zoom lens would be better for wildlife photography and versatility.
My prime lens days ended when I quit shooting film. Back then zoom lenses were pretty poor, but newer zooms are almost as good as primes; and their versatility more than makes up for a somewhat lesser IQ.
So I'm actually keen on the idea of the smaller, lighter Olympus 75 to 300. Admittedly it doesn't have the reach of a 400mm. But I am just wondering if the IQ is "good enough" to not frustrate me.

Also be interested to hear on the "handling" of the Olympus 100-400 which is not light but does seem quite long and possibly the weight is balanced out ergonomically during use?

And does anyone find a monopod works well? For wildlife. (Might negate the weight aspects).

I'll also need a new Olympus body as currently only have the EM10ii
My M10 ii and 75-300mm are a nice combination which is often mounted on a monopod with a tilt-head. I use a medium length ARCA-Swiss plate to balance the combination on the monopod or tripod with an inexpensive gimbal. The photos from the supported combination are significantly sharper than hand-held photos, but those are usually fine for my purposes. I do wish that the lens took a 1.4 teleconverter, but it doesn't.

The 100-400mm is tempting but it's stabilization doesn't work in combination with the camera's IBIS and I've never tried the lens and so can't comment on its strengths and weaknesses -- and it surely has both.



--
Woody
 
I too have been giving thought to going to m4/3 for my wildlife shooting. But when comparing my current outfit, it does not make sense weight and size wise. I currently use a Nikon D7200 with 300mm f/4 PF lens with 1.4x extender. To get the same crop factor with m4/3 that would be the Oly 300mm. Only problem is the Oly lens is longer and heavier than my current set up. Even with an m4/3 body, the weight is still more than what I use. I do use Oly equipment for all my other work and really would like to switch totally, but I do not want to carry more weight around.
 
Thank you that is really helpful. I developed an extreme "pickiness" for IQ before the days of digital. Went through all kinds of cameras and lenses and nothing quite was there for me until I bought a contax t2. Ended up with a small contax system which I loved. That did the IQ for me. Prior to that I had canon slr lenses which just weren't quite there for me. Except a 24mm one.
It can be a personal thing as well and a great picture doesn't have to be pin sharp - if it has something special about it. But sharpness and IQ does it for me. It's almost to the point that if I can't get the IQ I don't want to take the picture. I got quite OCD about it!

So I've always used prime lenses mostly and the first thing that appealed was the 300 f4 - despite the cost. For that reason. However I do think, with it being shorter and heavier than the zooms, it could be an issue for me to use (although all the tips about carbon fibre monopods are making me think twice about that!).

So yes I'd love to get that lens. But think I need to find a balance of being able to reach to 400mm and still have good IQ.

Thinking I should maybe try and hire the 300 and Olympus 100-400 and try them out.

Also if getting the 100-400 I could easily afford a new Olympus body as well.

Speaking of which. Would the Em5 be balanced enough?
I would look for a used EM1 MKiii, there are a lot of them available right now and it is a fantastic body, especially for what they are going for these days. The extra size and grip will me much more comfortable compared to the EM5 series IMHO for long lenses.

As others have said, the 75-300 can be frustrating but I have one for when I might have a need for reach. If I KNOW I am going to need reach then I take my Olympus 100-400 or the 300 f4. I find a zoom is much more practical for me because it is easier to find a small bird and then zoom in. The 300 f4 does have a noticeable improvement in sharpness and detail, as it should.

Others have mentioned the Panasonic Leica 100-400 and I have that as well, I didn’t sell it after getting the Olympus 100-400 because it is smaller and lighter than the Olympus version. I kept it around for when I want/need to pack lighter and my wife uses it occasionally. She has some health and strength issues but she is able to handle it without any real issues. The PL 100-400 might be your Goldilocks. It has excellent image quality and is a reasonable size and weight. My copy is smooth and sharp.
 
I have the 75-300 ii. Thomas Stirr has a very good comparison between the 75-300 and 100-400 on his website smallsensorphotography. The 75-300 fits the system very well. It would be great if it were updated again to bring IQ and AF up to best in class. There is no way I would ever buy the oly/ pany 100-400. They are full frame heavy and expensive. Makes no since to carry a full frame heavy lens around with a small sensor cam. I have a couple 100-400’s I use on FF or crop bodies. That’s the problem with MFT the long tele’s are full frame heavy!! Makes no since for the system.



DA
 
I have the 75-300 ii. Thomas Stirr has a very good comparison between the 75-300 and 100-400 on his website smallsensorphotography. The 75-300 fits the system very well. It would be great if it were updated again to bring IQ and AF up to best in class. There is no way I would ever buy the oly/ pany 100-400. They are full frame heavy and expensive. Makes no since to carry a full frame heavy lens around with a small sensor cam. I have a couple 100-400’s I use on FF or crop bodies. That’s the problem with MFT the long tele’s are full frame heavy!! Makes no since for the system.

DA
It makes some sense....because if you already own mft body you wont be buying FF body + lens to get that reach of 400mm mft. It is pretty cheap to just buy the 100-400 and use the body you already have i think.

And you can watch those comparison of others online but if you try those lenses side by side yourself it is a different story. I shot side by side in a same situations hand held with 75-300 and 100-400....one just delivered when other did not. The larger lens is heavier but so much more consistent of delivering those shots.
 
I have the 75-300 ii. Thomas Stirr has a very good comparison between the 75-300 and 100-400 on his website smallsensorphotography. The 75-300 fits the system very well. It would be great if it were updated again to bring IQ and AF up to best in class. There is no way I would ever buy the oly/ pany 100-400. They are full frame heavy and expensive. Makes no since to carry a full frame heavy lens around with a small sensor cam. I have a couple 100-400’s I use on FF or crop bodies. That’s the problem with MFT the long tele’s are full frame heavy!! Makes no since for the system.

DA
He also wrote an article saying that the 40-150mm f2.8 is his favourite lens whether used on its own or with the MC20 & MC14

https://smallsensorphotography.com/favourite-m-zuiko-lens
 
I had the 300mm f4 Pro for a few months and tested it against the 50-200 SWD + EC14 and the Sigma APO 300mm f4 Tele Macro in Canon EF Mount.

Price differences:

Olympus 300mm f4 Pro - $2500

Olympus 50-200 SWD + EC14 - $600

Sigma APO 300mm F4 + Metabones Smart Adapter = $500

The 300mm F4 focuses the fastest, followed by the 50-200 SWD, and the Sigma.

The IQ differences were minor in most cases. The Sigma has the best bokeh, but at f4.5 for the two 300mm lenses and f4.9 for the SWD, sharpness differences and color are so close you really won't notice. What I did notice the most is the focus speed, but since my EM1.2 could never reliably capture BIF, and most of my work is stationary, I sold the 300mm f4 Pro and kept the other two.

Later, I found a newer version of the Sigma APO 300mm f4 with an HSM engine that focuses faster than the SWD. It cost $250 and that's what I use now with the Metabones adapter. No C-AF, but S-AF is fast and accurate. An example from yesterday.

749c190c41d44722beb139c7feb192fa.jpg

There are a huge number of Canon EF lenses that work with Metabones Smart Adapters that are far cheaper on the used market than Olympus pro lenses. They produce stunning images with Olympus cameras for prices not much more than the 75-300 new.
That's a great image and thanks for those tips. I do actually have a 28mm Contax Slr lens (which would presumably be 56mm on EM10) - is there an adapter for that? Not for reach obviously but might be nice to use,
 
Both have their place for what I shoot, both have some limitations.

I use the 75-300 with my E-M5 III mainly for close ups of flowers, bugs and small critters at botanical gardens. My copy is sharp up to 270mm and stopped down to f/7.1- f/8. Not my first choice for fast action or low light, but will do in a pinch.

My PL100-400 with my E-M1 III is my go to for all things where length and fast focusing is the demand… BiFs, surfers, rodeo, etc. My copy is best at 350mm and at f/7.1. I shoot always handheld and with the tripod foot removed it is comfortable and not too much of a strain on these 78 year old wrists.

That said, if I see a bug with my 100-400 I’m OK with that, and running across some kite boarders with only the 75-300 in the bag isn’t much of an issue, either (see images below)


PL100-400


Size comparison


PL100-400




75-300


75-300


75-300


PL100-400
Fantastic pictures. That is quite a difference in lens size.
 

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