JustDavid

Lives in United Kingdom Weybridge, United Kingdom
Works as a Webdesigner, Photographer, Graphic Designer
Has a website at http://www.davidsladek.com
Joined on Feb 8, 2006
About me:

My real home town is Strakonice, CZ

Comments

Total: 138, showing: 1 – 20
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On article Ultimate OM-D: Olympus E-M1 Mark II Review (1220 comments in total)
In reply to:

JustDavid: @DPR what is the focal length and aperture used in the biker tests? Can't seem to find it in the text

Thank you. Just for comparison
Oly: m43, 73mm, 2.8, 15.455 meters distance => 3.84 meters DOF
Pentax K-1: FF, 200mm, 2.8, assuming same distance => 1 meter DOF
hardly comparable but, of course, there is an advantage of smaller sensor for DOF
calculated here http://www.photopills.com/calculators/dof

Link | Posted on Nov 24, 2016 at 15:23 UTC
On article Ultimate OM-D: Olympus E-M1 Mark II Review (1220 comments in total)

@DPR what is the focal length and aperture used in the biker tests? Can't seem to find it in the text

Link | Posted on Nov 24, 2016 at 09:56 UTC as 117th comment | 2 replies
On article TIME releases 100 most influential images of all time (173 comments in total)
In reply to:

JustDavid: I think all these 'World's most...' selections have one major issue: they are limited to the world in which they served their purpose. I come from the former Eastern block and that world was for decades shaped by different media than the Western. So is the Muslim world etc. Yes, we have (mostly subsequently) learned about most of these images but that was after the West got a hold of us. There are huge gaps in the knowledge of the art 'of the other worlds' anywhere you go. So claims that something is 'world's most' are really limited to the world one lives in and connects with... Even if cultural boundaries are much weaker than the political ones

The irony of this top 100 is that Koudelka's great image of the wrist watch minutes before invasion of Prague in 1968 is in it, yet its publication in Czechoslovakia was obviously forbidden until after 1990s. So its impact to the actual happening in Czechoslovakia was minimal and it served more to form the West's position on this unique event in the Eastern block. The whole Koudelka's series from those days is spectacular, though.

Link | Posted on Nov 18, 2016 at 15:22 UTC
On article TIME releases 100 most influential images of all time (173 comments in total)

I think all these 'World's most...' selections have one major issue: they are limited to the world in which they served their purpose. I come from the former Eastern block and that world was for decades shaped by different media than the Western. So is the Muslim world etc. Yes, we have (mostly subsequently) learned about most of these images but that was after the West got a hold of us. There are huge gaps in the knowledge of the art 'of the other worlds' anywhere you go. So claims that something is 'world's most' are really limited to the world one lives in and connects with... Even if cultural boundaries are much weaker than the political ones

Link | Posted on Nov 18, 2016 at 07:14 UTC as 40th comment | 3 replies
In reply to:

Sranang Boi: I have a feeling it will sell like hot cake. Specialist photographers have been dreaming of a camera like this.

@Brandless1 - "got it all wrong..." why do you judge without even having seen a single picture from the camera? And was there anything better than Pentax when they released the 645D and Z? I know it's a beast in size comparison but so far it has bested pretty much every camera on the market. So perhaps they got it right somewhere?

Link | Posted on Sep 22, 2016 at 13:06 UTC
In reply to:

endofoto: Canon still lagging behind Nikon and Pentax. Even crop sensor Nikon D7200 has a better sensor. However Canon is working hard, it will reach D810 and K1 level very soon, but for the time beeing Pentax K1 is the king, slightly better than D810.

@badbob42mk1 so a hammer which cannot drill is not a master tool?

Link | Posted on Sep 6, 2016 at 08:46 UTC
In reply to:

endofoto: Canon still lagging behind Nikon and Pentax. Even crop sensor Nikon D7200 has a better sensor. However Canon is working hard, it will reach D810 and K1 level very soon, but for the time beeing Pentax K1 is the king, slightly better than D810.

@badbob42mk1 I have never bought DSLR to film videos and I would happily buy one without video functions. If you make vieos, K-1 is not for you, but within stills it is a master tool ahead of competition. Period.

Link | Posted on Sep 1, 2016 at 21:40 UTC
In reply to:

endofoto: Canon still lagging behind Nikon and Pentax. Even crop sensor Nikon D7200 has a better sensor. However Canon is working hard, it will reach D810 and K1 level very soon, but for the time beeing Pentax K1 is the king, slightly better than D810.

looking at the exposure latitude, K-1 wins over D810. 5D Mark IV lags well behind both

Link | Posted on Sep 1, 2016 at 06:14 UTC

Just compared the exposure latitude to Pentax K-1. Canon 5D IV still way behind

Link | Posted on Sep 1, 2016 at 06:11 UTC as 66th comment | 3 replies
On article Pentax K-70 real-world sample gallery (66 comments in total)

I'd increase iso for he dance shots, clearly a lot of motion blur. Somewhere it makes nice effect of action but somewhere clearly unintended... Very nice set, though. Much better and more demanding than most tests of late

Link | Posted on Aug 22, 2016 at 06:08 UTC as 8th comment

ahaa, and some time ago, when I questioned, why TIPA isn't reported here, DPR staff replied something in the sense that 'we don't do these commercial awards anymore'... So now that the staff favourites are winning a change of mind? Or is it a paid advertisement?

Link | Posted on Aug 17, 2016 at 07:58 UTC as 13th comment
On article Rock Solid: Canon 1D X Mark II Review (438 comments in total)

Why no approaching cyclist test? :)

Link | Posted on Jul 27, 2016 at 21:16 UTC as 87th comment | 2 replies
On article Medium-format mirrorless: Hasselblad unveils X1D (1188 comments in total)
In reply to:

Earth Art: Great looking camera! Seems to tick all the right boxes for a potential MF mirrorless landscape machine.

I do wonder though. Why would a larger sensor be advantageous over a small sensor camera with a faster lens? Seems like once everything is equivalent, the whole system isn't going to be much of an improvement in performance unless something is allowed to become larger.

I am afraid the very still full body static portraits are 'in' in the artistic world, though I do not like them either. Pros will probably punish me for this but to me these kinds of portraits (or rather their vast proportion in today's 'art' production) signals a lack of appetite for framing, composition and dynamics bordering with laziness.

Link | Posted on Jun 22, 2016 at 16:00 UTC
In reply to:

MikeF4Black: So.

K-1 slightly worse than D810 in normal mode (yes, that's the one we will use most, not having stationary subjects and a tripod with us all the time) 100 ISO RAW, slightly better in pixel shift mode. That would be the older 36MP sensor, and not having Nikon's pipeline wizardry.

WOW! I'm so impressed.

Mike, I am afraid K-1 actually has a never version of the same sensor as D810. There is also a difference in the daylight and tungsten shots and DPR admitted that a lens variance has impacted the K-1 shots. When I look at the images, K-1 is a little better in daylight (especially in ISOs over 6400) and little worse in tungsten. Much better in Pixelshift across ISOs

Link | Posted on May 6, 2016 at 14:11 UTC

Compare PixelShift OOC JPG at ISO 25600... most impressive
http://www.dpreview.com/reviews/image-comparison?attr18=daylight&attr13_0=pentax_k1&attr13_1=nikon_d810&attr13_2=canon_eos5dmkii&attr13_3=canon_eos5dmkii&attr15_0=jpeg&attr15_1=jpeg&attr15_2=jpeg&attr15_3=jpeg&attr16_0=25600&attr16_1=25600&attr16_2=25600&attr16_3=25600&attr126_0=highres&attr126_1=normal&normalization=full&widget=1&x=-0.3136788048552755&y=0.5607791495627997

Link | Posted on May 6, 2016 at 13:37 UTC as 58th comment | 1 reply
In reply to:

xlabsmedan: Pentax have many good product, but people dont want to buy because their NAME, pentax must change their name to BLACK or PTX or Green or SHIFTX or anyname except pentax...

:D

@RedFox88 and in all honesty I see that Ricoh takes a great care and pride of the brand. You can see it in many of their steps, e.g. these links: http://www.ricoh-imaging.co.uk/en/history-timeline.html
http://www.ricoh-imaging.co.jp/english/support/download/app/pentax-story/
Compare with the faith of Minolta, Kodak etc.

Link | Posted on May 6, 2016 at 13:00 UTC
In reply to:

beemerman2k: That Pentax 645z is like, "All y'all bitches get outta here!" Lol!

@kewlguy now I understand and agree. 90 is a beauty, the new 35 as well, the new zoom is great... and expensive :)

Link | Posted on May 6, 2016 at 06:16 UTC
In reply to:

TN Args: Very nice, but if you think of the IQ of the K1 non-pixel-shift as zero and with pixel shift as 100, over that range of 0-100, I would still pick a non-pixel-shift camera over the K1 if it has an IQ of 10.

It is so much more practical to have a small IQ gain without pixel shift.

Unless you have some quality old Pentax lenses that you want to use
Unless you do astrophotography and Astrotracer is something you like
Unless you love to have all lenses stabilised
Unless you love Pentax ergonomics and menu logic
Unless you love to have weathersealed body,lenses and accessories
Etc...

Link | Posted on May 6, 2016 at 05:41 UTC
In reply to:

beemerman2k: That Pentax 645z is like, "All y'all bitches get outta here!" Lol!

@kewlguy are you saying that pentax 645 lenses aren't good? what claim is this? which lenses? how good? own experience or another myth?

Link | Posted on May 6, 2016 at 04:54 UTC
In reply to:

xlabsmedan: Pentax have many good product, but people dont want to buy because their NAME, pentax must change their name to BLACK or PTX or Green or SHIFTX or anyname except pentax...

:D

BS. People need to stop believing myths and trying product by themselves. Pentax is one of the biggest brands in photographic history, it has just been battered by some bad market decisions in the past. But the product quality never dropped below comparable (even the crap K-01 design by Mark Newson still delivered amazing picture quality)

Link | Posted on May 6, 2016 at 04:49 UTC
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