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New G7x II - macros ugh ugh ugh Locked

Started Mar 30, 2017 | Discussions
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HelenaH New Member • Posts: 9
New G7x II - macros ugh ugh ugh

Hello!

I bought myself a new camera to replace my old G9 (10 years old and bouncing around).

My main idea is to photograph miniatures and toys for my sales. Indoors in daylight, handheld. G9 was good until now, I feel it is losing the focus /which I verified it was random, so I thought better replace it.

I read G7x mark ii has good big sensor - yay good picture I thought, low noise. Nice big lens yay for depth of field I thought and to let light in. Mark II has better noise handling, yay I thought. So it looks like a good camera for my needs.

But maybe I was wrong?!

The photos I take at F 1.8 to 2.8 are crap. It looks like someone smeared something on the lens. No I have checked. At 2.8 the old G9 is better!

I am talking about taking photos in from 10 to about 30-40 cm range.

I am so disappointed and unhappy because we bought this through the company = no replacement. But if it is bad for real I can go the guarantee route.

Have I bought wrong camera for my needs, even if I thought it would be perfect by reading the specs?

I have a Canon Service center just in my city but I do not want to go there and they say "we have checked and no this works good, thank you now here's a bill of $250"

Here's five photos of my dolls, all taken on tripod, jpgs straight from camera (Av mode, focused on one of the eyes, small rectangle autofocus): http://www.funnybunny.se/files/dollsfocustest.zip

If it is supposed to look like this then I think it is bad.

Canon G7 X II Canon PowerShot G7 X Canon PowerShot G9
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Yannis1976
Yannis1976 Veteran Member • Posts: 6,308
Re: New G7x II - macros ugh ugh ugh

Hi!

First of all, if you wanted a camera for macros you should have researched a bit more. The Canon G7X range have never been a good macro tool. I had the mk1 and macro was a joke! However you still can get macro photos with the G7X especially the mk2 if you are bit more patient.

I would suggest to choose macro AF or even better use manual focus and peaking and close the aperture to at least 2.8 to increase the DOF.

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Seedeich Veteran Member • Posts: 3,034
Re: New G7x II - macros ugh ugh ugh

The G7X is the wrong camera for close-up work.

You get a shallower depth of field because of the larger sensor / longer focal length. That makes handholding more difficult if you need a precise focus plane.

And you might not be able to get close enough.

Has something to do with how lenses can be designed to keep an acceptable sharpness over the whole zoom range and size and complexity / cost.

I took a look at the images. There’s nothing wrong with them. One of the eyes is always sharp enough for a wide open aperture.

You have to stop the lens down to 4 or 5.6 to get a deeper depth of field and to get the lens into its sweet spot, where it performs better at close ups. Sorry, but this are just the laws of physics.

Next thing is, did you turn the IS off when shooting from tripod? IS on can induce slight blur when the camera is stable.

And did you use the selvtimer to avoid camera shake when pushing the shutter button? The last looks like there is some camera shake.

Still, even if you do everything right, a camera with a smaller sensor is better suited for the work you want to do.

When my G11 died, I replaced it with a Nikon P7800 for product photography and close-ups. Same sensor size, superb lens and better suitable for work with studio flashes than the new Canon G series.

A last remark - my G7X is sharper than my G5X and my old S90 beats those two new cameras when you need to count bricks at a building, which is 100 m away.

0lf
0lf Senior Member • Posts: 1,284
Re: New G7x II - macros ugh ugh ugh

Because you need the camera for a specific task, I would have advised to buy something more specific, like a Canon M10 + 28mm macro lens.

If you cannot change the camera, you can still make the G7x work for macro.

First, the G7x lens is know for its softness at short working distance and large aperture. Also, bigger sensor and brighter lens means narrower DoF. So compared with the G9 it replace, at the same aperture you actually have a much thinner depth of field : working at ƒ/2.8 on the G9 give the same DoF as working at ƒ/4.8 on the G7x. So, you need to close the diaphragm to get better result. In macro, the useful range on the G7x is ƒ/4 to ƒ/8.

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chj001
chj001 Regular Member • Posts: 210
Re: New G7x II - macros ugh ugh ugh

You imply that f/11 is not in the "useful range," even though you would presumably achieve the maximum DOF at the smallest aperture. What are the disadvantages of shooting at F/11 on the G7X II?

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Yannis1976
Yannis1976 Veteran Member • Posts: 6,308
Re: New G7x II - macros ugh ugh ugh
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tokumeino Veteran Member • Posts: 3,175
Magnification

I don't own a GX7 II yet, but I placed my order and I intend to perform casual macro (or at least close-up). So I looked for information before buying.

Firstable, you should read https://www.dpreview.com/forums/post/54597516 :

  • the max magnification is not at wide angle (WA) but mid range (42mm FF equivalent, where the lens is sharp). Here, the magnification is 0.25:1, which is no "macro", but rather a decent "close-up" starting point, especially given the camera format.
  • WA, you only reach 0.15 even if the focussing distance is shorter here.

Importantly, you should avoid large apertures. In the macro world, DOF is really tiny and usually, what you want to do is closing your lens as much as possible, rather than the opposite.

And if you want to play a little more, you should invest in a small close-up filter. With a Raynox 250 (+8 D), you reach a magnification of 0.4:1 while keeping an equivalent FL of 40mm ! With a +10D filter, you reach 0.45:1. See here for a simple calculator.

0lf
0lf Senior Member • Posts: 1,284
Re: New G7x II - macros ugh ugh ugh

chj001 wrote:

You imply that f/11 is not in the "useful range," even though you would presumably achieve the maximum DOF at the smallest aperture. What are the disadvantages of shooting at F/11 on the G7X II?

I would say noise and diffraction

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Yannis1976
Yannis1976 Veteran Member • Posts: 6,308
Re: Magnification

And if you want to play a little more, you should invest in a small close-up filter. With a Raynox 250 (+8 D), you reach a magnification of 0.4:1 while keeping an equivalent FL of 40mm ! With a +10D filter, you reach 0.45:1. Seehere for a simple calculator.

And how will you attach the filter to the lens?

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fuego6
fuego6 Senior Member • Posts: 2,525
Re: New G7x II - macros ugh ugh ugh

First post on DPR and its nothing but a complaint about the wrong tool for the job...

Perhaps instead of blaming the tool.. you should blame the tool USER... a quick search on here or Google would have provided you with the correct camera for the job.

Good luck.. want to sell me the G7x?  I'll take it off your hands!!

tokumeino Veteran Member • Posts: 3,175
Re: Magnification

Yannis1976 wrote:

And if you want to play a little more, you should invest in a small close-up filter. With a Raynox 250 (+8 D), you reach a magnification of 0.4:1 while keeping an equivalent FL of 40mm ! With a +10D filter, you reach 0.45:1. Seehere for a simple calculator.

And how will you attach the filter to the lens?

Magfilter or Lensmate .

OP HelenaH New Member • Posts: 9
Re: New G7x II - macros ugh ugh ugh

Thank you for all of your replies!

And to you who complain that I complain about wrong tool, I did write:

Have I bought wrong camera for my needs, even if I thought it would be perfect by reading the specs?

I was indeed fully aware when I wrote this post that it was all about user error.

And for one person that is not 100% on the cameras function it is hard to buy. I went on that I was happy with my G9 that I thought a new G camera would be good replacement.

Ok now enough there with my defense.

I think I am going to attempt a swap at the shop if I am able to do so. But I have to do it until tomorrow or it is too late! It is for an unused box but I hope if I say I am going to not ask for refund but for a swap that they will be lenient.

As I have a lack of time, I need to decide quick.

I will tell you.

I use camera mostly in the range from 10 cm to 60-70 cm, but 80-90% of the times on the 50-70 cm range. (that's my full size dolls size, these are 30 cm high and I want to catch the entire doll in frame)

Daylight only, no artificial lights, no flash.

Not too terribly much larger than the older G9.

It is a plus if I can use same camera/lens for outdoor photographing of same motif and also maybe touristing. (there I imagine this G7x MKII would be good, hahaa but no that's not what I was buying for)

But if it is like "want too much and get bad lens" then please only for the large doll photography part.

The shop has only Eos M3, with kit lens 18-55 mm. Damn there goes my hopes to swap-a-roo.

OP HelenaH New Member • Posts: 9
Re: New G7x II - macros ugh ugh ugh

Now I can conclude this thread with saying that we have managed to return this camera - happy ending!

So now I will try to research better for better camera for my uses.

Smaug01
Smaug01 Veteran Member • Posts: 6,966
What a rude welcome to a new member.

You should be ashamed of yourself.

fuego6 wrote:

First post on DPR and its nothing but a complaint about the wrong tool for the job...

Perhaps instead of blaming the tool.. you should blame the tool USER... a quick search on here or Google would have provided you with the correct camera for the job.

Good luck.. want to sell me the G7x? I'll take it off your hands!!

I disagree that the G7X II is "the wrong tool" for your kind of work, Helena.  You should just get used to the idea of shooting with the lens closed up a bit more (larger aperture value)  since it has a larger sensor.

In other types of photography, short depth of focus is actually desirable.

-- hide signature --

-Jeremy

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Smaug01
Smaug01 Veteran Member • Posts: 6,966
Re: New G7x II - macros ugh ugh ugh

HelenaH wrote:

Now I can conclude this thread with saying that we have managed to return this camera - happy ending!

So now I will try to research better for better camera for my uses.

Oh, too bad. It is a great camera and would have worked well for your needs with just a slight adjustment in how you use it.

-- hide signature --

-Jeremy

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chj001
chj001 Regular Member • Posts: 210
Re: New G7x II - macros ugh ugh ugh

I was of course assuming sufficient light so as not to require an unreasonably slow shutter speed or high ISO. So what is diffraction?

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0lf
0lf Senior Member • Posts: 1,284
Re: New G7x II - macros ugh ugh ugh

chj001 wrote:

I was of course assuming sufficient light so as not to require an unreasonably slow shutter speed or high ISO. So what is diffraction?

http://www.cambridgeincolour.com/tutorials/diffraction-photography.htm

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rpm40
rpm40 Senior Member • Posts: 2,411
Re: New G7x II - macros ugh ugh ugh

HelenaH wrote:

Hello!

I bought myself a new camera to replace my old G9 (10 years old and bouncing around).

My main idea is to photograph miniatures and toys for my sales. Indoors in daylight, handheld. G9 was good until now, I feel it is losing the focus /which I verified it was random, so I thought better replace it.

I read G7x mark ii has good big sensor - yay good picture I thought, low noise. Nice big lens yay for depth of field I thought and to let light in. Mark II has better noise handling, yay I thought. So it looks like a good camera for my needs.

But maybe I was wrong?!

The photos I take at F 1.8 to 2.8 are crap. It looks like someone smeared something on the lens. No I have checked. At 2.8 the old G9 is better!

I am talking about taking photos in from 10 to about 30-40 cm range.

I am so disappointed and unhappy because we bought this through the company = no replacement. But if it is bad for real I can go the guarantee route.

Have I bought wrong camera for my needs, even if I thought it would be perfect by reading the specs?

I have a Canon Service center just in my city but I do not want to go there and they say "we have checked and no this works good, thank you now here's a bill of $250"

Here's five photos of my dolls, all taken on tripod, jpgs straight from camera (Av mode, focused on one of the eyes, small rectangle autofocus): http://www.funnybunny.se/files/dollsfocustest.zip

If it is supposed to look like this then I think it is bad.

The larger sensor in your new camera means apertures aren't comparable to your old one. Try f4 and see how it goes. Use macro or manual focus. There will be a learning curve, but keep at it and you will get good results.

that said, canon really pushed the envelope to put a big sensor and fast lens into a tiny camera on the g7x, so I'd agree that the lens is only so-so.

geepondy Senior Member • Posts: 2,303
Re: New G7x II - macros ugh ugh ugh

I posted a similar thread and took the advice of the posters, step down the aperture, zoom in the camera, etc and while yes, I could improve the situation, it still cannot hold a candle to my G15 for G camera macro photography.  So if the poster's main use is macro photography then I would have to disagree with G7X working well for her needs.  The G7X has proven to be a great camera in other regards but not for close ups.  I'm lucky I have both a G15 and a G7X.

Smaug01 wrote:

HelenaH wrote:

Now I can conclude this thread with saying that we have managed to return this camera - happy ending!

So now I will try to research better for better camera for my uses.

Oh, too bad. It is a great camera and would have worked well for your needs with just a slight adjustment in how you use it.

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Dale Buhanan Veteran Member • Posts: 4,280
Re: New G7x II - macros ugh ugh ugh

Guys, she returned the camera and concluded the thread.  No further advice or recriminations are called for.  I amtherefore locking the thread.

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kind regards
Dale
Moderator Canon Powershot, Feedback and 7D/XXD forums

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