dbateman

Lives in United States Bethesda, MD, United States
Works as a Microscopist
Joined on Jul 27, 2006
About me:

Sony H5
Canon S5 full Spec converted
Olympus E3
Olympus E510 Full Spec Converted
Sigma SD14
Pentacon Six and Kiev 60

Comments

Total: 171, showing: 1 – 20
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On article Buying Guide: Best cameras under $500 (152 comments in total)

Maybe this needs another update. Maybe due to the GX9 release, but the Panasonic Gx85 is running cheaper than the Gx850. Listed as $540 with the excellent 12-32mm lens.
It may almost take the cake for best under "$500", if you buy the GX85 with dual kit lenses for just $600!

Link | Posted on Feb 20, 2018 at 06:46 UTC as 3rd comment
On article Panasonic Lumix DC-GX9: What you need to know (211 comments in total)
In reply to:

Belgarchi: I am confused: is it a new GX85 or a new GX8?

@ocolon the dfferet names for different locations is a way to monitor the grey market. Track cameras that are not suppose to be here, but sellers like Amazon make it easy to buy international verions.

Link | Posted on Feb 14, 2018 at 17:04 UTC
On article Sigma announces full-frame 14-24mm F2.8 DG HSM Art lens (232 comments in total)

Interesting that they offer it without the petal hood.
I cut the hood off the 8-16mm and it offers alot of advantages without it.
1. You can use it for tilt shift on M43rds camera.
2. It works from 11-16mm on my DF in 135 format without vignetting.
Great to see the option here. The 8-16mm has a slide in cap that still works with the petal hood cut off.

Link | Posted on Feb 9, 2018 at 14:53 UTC as 33rd comment

I think these comments are too harsh. The images are good. The music is ok. Just the timing is really quick, reminding me of baraka, for modern day attention spans.
If you care about the images or want to know what your looking at then films like Babies and Baraka may mot be good. But for the general masses, they seem to like them.

Link | Posted on Jan 18, 2018 at 12:23 UTC as 14th comment
In reply to:

anticipation_of: I would love to be able to use this to take landscape photos suitable for printing at very large sizes. Right now I’m teaching myself to do bracketed stitched panoramas (which is a lot of fun to try to do at zero degrees farenheit on a windy mountaintop, believe me) and this would be a *much* less fiddly and error prone way to get similar results. People are quick to point out that pixel shifting only works when there’s no movement in the scene, but that’s even more true for a 100-frame composite—you just choose your subject matter carefully. My poor frozen fingers would probably appreciate it, too.

Want.

@panther fan
This is exactly why the sigma SD1 and related compacts using the same sensor where popular. It hits your calculations, and some newer sigma Art lenses are really good.
Too bad the sigma software to milk out the best images is still a pain to use.

Link | Posted on Jan 16, 2018 at 15:43 UTC
In reply to:

Indohydra: What is the significance of the new external diameters and flange distances? Is it purely an attempt to prevent lens makers who have already made lenses for Sony to readapt their glass to Nikon?

No if its 16mm, then it would be easier to adapt from 18mm. You get 2mm to play with.

Link | Posted on Jan 12, 2018 at 21:51 UTC
On article Panasonic Lumix GH5S vs GH5: What's new? (89 comments in total)

The GH5s is an expensive video centric camera. But I am really liking that sensor. If Panasonic reads this message, please place this sensor in a GM5 body. That would be an excellent compact camera to sneak into shows, that would have great low light capabilities. Also would pair very well with the 7-14mm for great increased field of view shots.
As someone whom only prints 8x10, this would be perfect.

Link | Posted on Jan 10, 2018 at 21:06 UTC as 11th comment | 2 replies
On article A letter from the Publisher (331 comments in total)
In reply to:

NWT: We need unbiased professionalism reflected in your reviews.

@Richard,
Thanks for the reply. I was thinking the pre Christmas camera recommendations article, which didn't seem right.
But now that I have your attention, I think it would great ig dpreview dropped the gold and point awards. Rather had pages from dedicated specific photographers test out the same camera to indicate its strength. I thinking as some cameras a great for landscape, but bad for sports, this could be helpful. So a review would have insight from a landscape, portrait, wedding, sports, product, macro, ete photographers, so the reader, whom may fit one or more areas could see if that camera is for them.
Thank you,
David

Link | Posted on Jan 4, 2018 at 22:51 UTC
On article A letter from the Publisher (331 comments in total)
In reply to:

NWT: We need unbiased professionalism reflected in your reviews.

I think you mean photographer biased, product non-biased reviews. Would be cool to have sports photographer pick up camera X and say great for this but bad for that. Than concert, landscape, portrait photographer pick up same camera and write up good and bad points. All seperate pages.
Rather than this camera got a silver award, but we recommend it now as it has the highest purchasing margin.

Link | Posted on Jan 4, 2018 at 16:17 UTC
On article Panasonic G9 added to studio scene comparison (166 comments in total)

What a useless test chart. This cannot be compared to anything. Why did dpreview switch to the Leica 42.5mm f1.2 lens, where previously the olympus 45mm lens was used.
Now we cant compare within the system. If your going to switch lenses, you will need to reshoot all the other M43rds cameras with the same len.
Ideally it would be good to use the exact dame lens on all camera tests. I vote for buying an Adaptall 90mm f2.8 and shoot it on everything.

Link | Posted on Dec 5, 2017 at 08:39 UTC as 15th comment | 7 replies
In reply to:

tedolf: A missed opportunity.

I was really hoping that Leica would make a m4/3 body that really was like the film CL, with an optical VF, three small f/1.7 manual focus lenses (14mm, 20mm and 42.5mm), 4/3 aspect fixed LCD, etc.

sort of a miniature M10.

Tedolph

Maybe not, when the GX9 comes out it maybe they will brand it or release a Leica labelled come.

Link | Posted on Nov 21, 2017 at 21:39 UTC

Carey Rose, thank you. This is interesting.
One question, what is the longest shutter speed that can be used in high res mode?
In the Panasonic interviews they said 1 second leading to a maximum capture time of 10 seconds, due to the 2 second proccing time.
However, your last shot says 1.3 seconds!
Was this a mistake or can you use high res for really long shutter speeds.
Thank you.

Link | Posted on Nov 11, 2017 at 17:37 UTC as 69th comment | 2 replies

The only feature on this camera that has me interested is the ifilm idea. Being able to pop out film backs to swap color and black and white is great. But would also allow the company, if successful to make various digital backs, with various sensors up to the size of 135 format.
That could be interesting. Have a dumb box to control shutter, pop on whatever lens mount, then pop on whatever sensor, even film. That would be a fun modular camera to have.

Link | Posted on Nov 8, 2017 at 05:35 UTC as 56th comment | 1 reply
On article Nikon D850 Review (2101 comments in total)
In reply to:

BasilG: Is it just me or is the order of pages all messed up? Conclusions in #6 at the moment (of a total of 13...).

No I agree the order is messed up. You can not title something "the final word" and put it on page 6.
Plus not all the other pages are indicated or marked as supplements or appendix.

Link | Posted on Oct 17, 2017 at 06:30 UTC
On article Nikon D850 Review (2101 comments in total)
In reply to:

John Koerner: Best DSLR on the market ... best possible image quality ... better than the Sony A7rII ... better AF & speed too ... but only gets an 89 compared to the Sony's 90?

Lame, illogical scoring ... an utter waste of time. DPR can't even get their sequences straight (conclusion is 6th instead of last).

Dpreview should just go back to the old way. Give everything a Gold award. If it sucked it got a silver, and if it was a pain to use or ate your cat it, then it would get a bronze.
As the numbers are meaningless anyway. I think thats was the best system.

Link | Posted on Oct 17, 2017 at 06:28 UTC
On article Nikon D850 added to studio scene comparison (452 comments in total)

Very impressed by the differences between the Df and the 850. The same lens is used, and set at same field the 850 pulls much better detail and reduce colour noise at high iso.
I guess 4 years in sensor life still does make a difference.

Link | Posted on Sep 29, 2017 at 06:51 UTC as 57th comment
On article Nikon D850 added to studio scene comparison (452 comments in total)
In reply to:

Joed700: I'm not sure if this is a good way to compare image quality among other things since they all used different lenses. Based on the RAW files data @ ISO 6400; f/5.6, here is what they used:

5DSr: ef 85mm f/1.8 USM
D810: 85mm f/1.4g
D850: 85mm f/1.8g
Sony: FE 55mm f/1.8 ZA

I fully agree. You can only compare within a manufacturer, for differences in the sensor.
Would be great if Dpreview used an adaptall 90mm f2.8 lens. Thus the exact same lens on each camera to make comments about sensors.

Link | Posted on Sep 29, 2017 at 06:47 UTC

The dpreview article is actually wrong.
From google translate he said the following:
"In addition, from the customer base, Nikon's entire coverage of the crowd is very wide, from the primary, enthusiasts, senior to professional users, then this is the biggest advantage of Nikon, like Olympus, Sony, Fuji they can cover Just a small part of the real professional people to use their camera, has not yet seen. Their customer base is limited, it is in the development of products, even if it is retro version, it is only to meet some of these people's preferences, they can only do so to the extent. "

Which may or may not be more insulting. Either no real professionals use Olympus micro four thirds, sorry Kirk Tuck. Or interpreted as there is only a very small number of professionals using the products. Both however are wrong. But he did not say no professionals as dpreview claims.

Link | Posted on Sep 18, 2017 at 13:43 UTC as 75th comment | 1 reply
In reply to:

kaister: Uhm... it's almost the same price as the 1.2 50mm nikkor, which performs better - I realize this might be a moot point for canon shooters but for those shooting Nikon or Sony with nikkor glass the sainsonic holds little appeal.

Yes that is the first thing that crossed my mind. The Nikon 50mm f1.2 manual lens can be purchased around $500 brand new and used on nikon cameras directly, and any other camera with an adapter, including canon cameras.
I don't see the cost savings or point of this lens.

Link | Posted on Aug 24, 2017 at 04:56 UTC
In reply to:

cosinaphile: https://www.youtube.com/watch?v=JubfQs7gpT0

watch this ....lol at 4:11 in

No this is different.
Tracking and zoom are diferent things and so is this. This however does seem to take a lot of work. Here they are pinning objects in the scene, allowing to move selective objects in and out. Like your video just with selcting the railing or the lights only.

Link | Posted on Aug 3, 2017 at 04:05 UTC
Total: 171, showing: 1 – 20
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