jonikon

Lives in United States North State, CA, United States
Works as a Retired engineer
Joined on Nov 19, 2010
About me:

Fujifilm X-T10
Fujinon 16-50 XC
Nikon D7000
Nikon V1
Nikon V2
Nikkor 10-100mm lens
Sigma 10-20mm f/4-5.6 EX DC HSM
Tokina AF 16-50mm f/2.8 AT-X Pro DX
Tamron SP AF17-50mm F/2.8 XR Di-II LD
Nikon 18-105mm f/3.5-5.6 AF-S DX VR ED
Nikon 70-300mm f/4.5-5.6G ED IF AF-S VR
Nikon SB-600 Speed light

Comments

Total: 80, showing: 21 – 40
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On article Not dead yet: Sony announces three A-mount lenses (120 comments in total)

I had once owned the original Sony 70-300mm F4.5 – F5.6 G lens used on a Sony a700 and was impressed with it's sharpness excellent micro-contrast optics. However, I was disappointed with the focus speed and the thin plastic build which made the lens feel cheap. My lens became infested with grit of some kind due to a lack of sealing even though I was careful with it. In comparison my Nikon 70-300mm (paid $350 in a kit price), is not as sharp, and lacks great micro contrast, but the focus speed and build quality is superior to the Sony 70-300G. I have had the Nikon lens in all kinds of environments over the past four years including blowing sand and salt spray without any issues. Nice to see Sony realized the original 70-300mm F4.5 – F5.6 G shortcomings and have corrected the issues!

Link | Posted on Dec 1, 2014 at 22:18 UTC as 7th comment
On article Panasonic Lumix DMC-LX100 Review (1015 comments in total)
In reply to:

StefanD: Is it me, or are those leaves in the background of the sample picture under "Image Quality" plain ugly and very distracting?
I find that picture very unpleasant to look at.

I agree. That photo of the tree leaves is very disappointing in terms of sharpness (especially beyond the center), and the bokeh is terrible. I get better images from my Nikon V1 with just a 1" sensor. One can have a wonderful sensor in a camera, but a poor lens can ruin it all. Obviously Panasonic took too many shortcuts with the lens and it shows. Like they say, "A chain is only as good as it's weakest link."

Link | Posted on Nov 19, 2014 at 18:45 UTC
On article Panasonic Lumix DMC-LX100 Review (1015 comments in total)

Well, darn it!
I really like the design concept of the LX-100, which is very close to what I want in a travel camera in terms of size and sensor image quality. However, it fails on on four counts that give me reason to pass on this camera.
1. No phase detection auto focusing. (Sorry, but I am spoiled by my Nikon V1's focusing performance!)
2. No built in flash, and the supplied flash is crude and weak with no bounce capability. At least the tiny flash for my Nikon V1 can do bounce flash.
3. Inferior EVF. There are much better available that do not tear.
4. Despite the hype, my eyes tell me the lens is not sharp enough, especially at the edges, which is a big disappointment considering the price of the camera and the short focal length range.

As it stands, the LX-100 is a bit too disappointing and over-priced for it's performance capabilities. Hopefully the rumored Nikon competitor to this camera will not have these shortcomings.

Link | Posted on Nov 18, 2014 at 23:20 UTC as 236th comment | 7 replies
On article Olympus PEN E-PL7 compact mirrorless camera announced (80 comments in total)

Too bad there is no EVF. That's a deal killer for enthusiasts. Using a rear LCD to compose is lame, and especially annoying in sunny conditions!

Link | Posted on Aug 29, 2014 at 06:07 UTC as 6th comment | 2 replies
On article Am I missing something here? (627 comments in total)

Richard,
You missed the Nikkor 18.5mm f1.8 in your list of enthusiast lenses.
It's hard to take your opinions seriously Richard, when you don't even bother to vet your research before you go about bashing a camera system you don't use and know so little about.
You are missing something else Richard: Journalist objectivity.

Link | Posted on Mar 13, 2014 at 04:55 UTC as 225th comment | 4 replies

I have been into photography long enough to remember when serious 35mm primes were expected to be f2.0. Making a sharp 35mm f2.8 prime is cheap and easy. Too bad Sony took the low road and made this consumer grade lens a full stop slower than the excellent Minolta 35mm f2.0 legacy lens of yesteryear, and adds insult to injury by pricing it like a pro f2.0 lens. I just don't see how Sony's new FE mount camera system will be successful without a full set of pro quality FE lenses, and in terms of maximum aperture, this lens does not qualify as such.

Link | Posted on Feb 21, 2014 at 05:20 UTC as 18th comment | 9 replies
On article Sony Alpha 7 Review (1601 comments in total)
In reply to:

Abhiru: I used to value dpreview information a lot, but this review struck me as strongly biased; there must be a VERY GOOD REASON for dpreview to risc their reputation in such a blatant way.

If anything DPR was too kind to the A7 in their review. In no way does this camera deserve even the Silver Award based on IQ, handling, AF, and performance, not to mention the pitiful FE lens offerings. Sony may someday produce an improved version of the A7 with some pro FE lenses to mount on it, but until they do, the FE line of cameras is merely a plaything for those fascinated with expensive mirrorless cameras, rather than a serious and competent photographer's tool.

Link | Posted on Jan 27, 2014 at 03:33 UTC
On article Sony Alpha 7 Review (1601 comments in total)

Based on the DPR review of the A7, it is obvious that Sony has overreached with their new line of full frame mirrorless FE cameras. which can not even match the capabilities of Nikon and Canon DSLRs introduced over a year ago.
If Sony still has any ambitions of taking FF market share away from Nikon and Canon after this fiasco , they will have to do a lot better than this feeble attempt of mediocre bodies and FE lens selection. Maybe Sony should instead stick with what they do best, whatever that may be.

Link | Posted on Jan 26, 2014 at 05:23 UTC as 131st comment | 9 replies
On article Olympus PEN E-P5 Review (500 comments in total)
In reply to:

SHood: "shutter shock" is a problem with all mirrorless cameras. Smaller body is part of the problem but also due to the shutter requiring a close/open to start the exposure and then another close/open to end it. This quick double shutter action is different than DSLRs which just need to open to start the exposure and then close to end it.

I have found with my GH3 that shooting at hi-speed continuous shooting does help as liveview is disabled so you don't have the double shutter action except to start the first image and end the last image in the sequence. The electronic shutter on Panasonic bodies also helps but is limited.

The new 1/8000s shutter speed on the E-P5 and E-M1 has probably made it even worse as the shutter is now designed to move even faster. Only the global shutter will totally eradicate this.

I have never experienced shutter shock with my Nikon V1, so no, it is not a problem with all mirrorless cameras. Maybe Olympus just can't get good engineers since they are having financial problems?

Link | Posted on Oct 4, 2013 at 02:41 UTC
On article Olympus PEN E-P5 Review (500 comments in total)

A thousand dollar camera body and it doesn't come with a viewfinder? Really? So you have to buy the big ugly VF4 EVF separately for another $300 which makes the camera body $1300 and to top it off, it takes blurry pictures! Who in there right mind would buy the E-P5 when the OM-D E-M5 with an EVF and no blurry pictures can be had for around $900? With designs and marketing like this it is little wonder Olympus is in financial difficulties.

Link | Posted on Oct 3, 2013 at 23:51 UTC as 178th comment | 8 replies
On article Nikon Coolpix P7800 real-world samples (82 comments in total)

The images show an amazing amount of detail for such a small sensor camera. No doubt in large part due to the excellent Nikkor lens in the P7800 and excellent noise handling that retains detail as well. This is about as good as it gets for a camera with a tiny sensor!

Link | Posted on Oct 2, 2013 at 03:37 UTC as 32nd comment | 5 replies
On article Nikon AW1 First Impressions Review (591 comments in total)
In reply to:

Marty4650: For those of you offended by the comparison of this rugged camera to the classic Nikonos, please remember that Dpreiew never made that assertion. They merely posed the question in the headline for this new item. ("Nikonos reborn?")

Most likely the question was asked to draw attention and elicit response, and not to claim that the Ruggedized Nikon 1 is in the same league with the classic underwater SLR.

Like a dog with a bone, they just won't let it go until they are done chewing on it!

Link | Posted on Sep 19, 2013 at 17:29 UTC

I like Fujifilm's innovation approach with their sensors, but unfortunately Fujifilm missed the mark with the uninteresting XA-1. There is nothing new or special about this XA-1. No EVF and no on-sensor PDAF. There are so many other cameras that use this 16 MP sensor right now that I don't see a compelling reason to chose this one.

Link | Posted on Sep 18, 2013 at 03:45 UTC as 8th comment | 1 reply
On photo IMGP0163 in dpreview review samples's photo gallery (3 comments in total)

I am not impressed with these images at all. IMGP0213 looks like a poorly exposed flat P&S shot, and the guys white shirt in IMGP0163 is blow and shows no detail. I could go on, but let's just hope the problem is the operator and not the Pentax camera.
-Jon

Link | Posted on Jun 13, 2013 at 02:49 UTC as 1st comment | 2 replies
On a photo in the Pentax K-50 Preview Samples sample gallery (3 comments in total)

I am not impressed with these images at all. IMGP0213 looks like a poorly exposed flat P&S shot, and the guys white shirt in IMGP0163 is blow and shows no detail. I could go on, but let's just hope the problem is the operator and not the Pentax camera.
-Jon

Link | Posted on Jun 13, 2013 at 02:49 UTC as 1st comment | 2 replies
On article Just Posted: Our Nikon Coolpix A review (351 comments in total)
In reply to:

Cailean Gallimore: I'll buy the Ricoh, but the Nikon doesn't seem to have any special appeal... It's a decent camera, but nothing special. The Ricoh is driven by incredibly photographer friendly software, and in that lies it's special appeal.

The Coolpix A does have special appeal for Nikon DSLR owners because their Nikon flash units will work with it, but not so with the Ricoh. That's reason enough for Nikon owners to skip the off-brand cameras like Ricoh. It's just the way it is.

Link | Posted on Jun 7, 2013 at 02:18 UTC
In reply to:

fmian: The question is, will this lens perform well wide open, or will it have to be stopped down?
Most good fast prime lenses benefit greatly from being stopped down.
For example, a 1.4 prime will perform much better stopped down to 2.8, and will still give you a decent shallow dof when required. A 2 stop sacrifice for sharpness.
Will this lens need to be stopped down as well? Cause if it needs to be by say, 2 stops, then you are left with a dof equivalent of >5.6, which is not very shallow.

All Nikon CX prime lenses are sharp wide open. This is what SLRgear said about the $200 18.5mm f1.8:
"The 18.5mm ƒ/1.8 lens produces tack-sharp images, even straight out of the gate at ƒ/1.8."~ SLRgear.com
At $900, I would expect the 32mm f1.2 to do at least as well.
And keep in mind the more closely spaced photosites of the 1" sensor puts more demands on the resolving power of any lens. None of the FX Nikon lenses can resolve as well on the 1" sensor as the little an inexpensive 18.5 f1.8!

Link | Posted on May 15, 2013 at 16:13 UTC

Although this 32mm f/1.2 lens is no doubt a stellar lens, it is also an outlier in terms of price compared to other Nikon CX mount lenses for the Nikon 1 cameras. On the plus side, at least all the other Nikon 1 lenses are reasonably priced, and most Nikon 1 owners can easily live without this lens, and purchase the superb 18.5 f1.8 for a mere $200 instead. I doubt Nikon will sell many of the 32mm f/1.2 at this lofty price, but it is nice to know that Nikon is committed to making excellent lenses for the Nikon 1 cameras. The future of the Nikon 1 system is looking brighter all the time!

Link | Posted on May 15, 2013 at 04:58 UTC as 43rd comment | 7 replies

Why isn't there a tripod mounting foot and collar for this rather large and heavy lens? Even my much smaller and lighter Tokina 50-135 f2.8 has one Hopefully the final version of this lens will have one as well, otherwise this lens becomes a real mount puller!
- Jon

Link | Posted on Jan 29, 2013 at 17:00 UTC as 14th comment | 2 replies
In reply to:

AllOtherNamesTaken: Too bad about the 1/1.7" sensor. Looks like an OK camera other than the sensor. With how small M43, Nikon V1, and Sony RX100 type cameras are, there is no excuse to be using such a small sensor IMO. Just not for me, but I'm sure some will like it.

What about the Fujifilm X10 with a f2.0-f2.8lens? It at least has a somewhat larger 2/3-inch sensor with better high ISO image quality and probably a stop more dynamic tonal range at base ISO than this Pentax "enthusiast" camera.

Link | Posted on Jan 7, 2013 at 20:24 UTC
Total: 80, showing: 21 – 40
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