Lives in France Clamart, France
Works as a Technical Writer
Joined on Jan 4, 2002
About me:

Love taking pictures to show you how beautiful France


Total: 54, showing: 1 – 20
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On article Sony a7R III added to studio scene comparison (453 comments in total)
In reply to:

Dietrich Reinhardt: At 100 ISO, looks to me that D850 out-resolves the competition. Also, can't say that I see much difference between the two Sony's.

I have the impression that the D850 jpegs have more sharpening applied to them.

Link | Posted on Nov 17, 2017 at 20:43 UTC
In reply to:

Ruy Penalva: DXO Mark used to dream with Nikon and Sony. Nikon bought the sensor from Sony, and the increased score above a7rii is more related to the increase in total pixels count. The question is: why Nikon would launch a cheaper D5 version?

Ruy, are you saying the sensor of the D850 is made by Sony?
If you are then you are wrong.

Link | Posted on Oct 6, 2017 at 19:07 UTC
In reply to:

chaos215bar2: Came here to ask what on earth a score of "100" actually means. See I'm not the only one trying to figure that out.

The 100 score is not a percentage.

Link | Posted on Oct 6, 2017 at 19:04 UTC
In reply to:

krikman: Strange thing, but in all DxO test graphs D850 sensor exactly equal to D7200 and d500 measurments,

Well, looking at the summaries:
d500 gets 14.0 for dynamic range, not the 14.8 of the d850. Presumably this is at base ISO and does not indicate dynamic range at higher ISO.
The d7200 gets 14.6 for dynamic range.

Link | Posted on Oct 6, 2017 at 19:02 UTC
In reply to:

woodsfortysix: Downloaded a trial version today...disappointed that it does not open Nikon D850 NEF files. I thought Adobe would but the latest Camera Raw plug-ins in their latest product.

Can't this be patched in due time?

Link | Posted on Oct 6, 2017 at 18:51 UTC
On article Sony a9 Full Review: Mirrorless Redefined (2756 comments in total)
In reply to:

princecody: Is Sony a9 the Nikon D500 & Olympus E-M1 M2 killer? 🤔

I think it is much more expensive.

Link | Posted on Jun 14, 2017 at 18:32 UTC
In reply to:

Marc vd Broek: I have the Pentacon-version of this lense and use it on my Olympus E-410. Very happy with it, especially when shooting B+W. Gives a nice atmosphere to the pictures. The fact that this lense will be re-introduced is fine for me. German optics are not dead !

Do you need an adapter to use this lens?

Link | Posted on Jun 9, 2017 at 19:45 UTC

Mine is still working fine. Great for macro. In fact a macro I took of a tulip is used for the cover of a mathematics book I have just written.

Link | Posted on Mar 23, 2017 at 17:25 UTC as 64th comment
In reply to:

feraudy: I thought that the Otus and this lens were tested and compared more than a year ago. Why the reversal of fortunes for Otus?

OK, my memory tricked me.
Well, the fact that the Sigma seems noticeably better than the Otus is going to create a bit of fanboy grief. We were almost led to believe that Zeiss made a lens where all stops were removed and they came up with something that noone could every surpass.
Or is it 2 extra years of research that did the trick?

Link | Posted on Feb 13, 2017 at 21:14 UTC

I thought that the Otus and this lens were tested and compared more than a year ago. Why the reversal of fortunes for Otus?

Link | Posted on Feb 10, 2017 at 17:53 UTC as 55th comment | 2 replies

Wish the author would check his English.
Instead of
"It's battery life ..."
he should have written
"Its battery life ..."

Link | Posted on Feb 10, 2017 at 09:30 UTC as 19th comment | 2 replies
On article Sony SLT a99 II Review (1582 comments in total)

Looking at the part of the engraved portrait of a bearded man, I see slightly better detail in the picture from the A7RII.

Link | Posted on Feb 1, 2017 at 19:35 UTC as 252nd comment | 1 reply

The woman should be awarded nothing so as to discourage outrageous amounts like this.

Link | Posted on Jan 10, 2017 at 14:04 UTC as 51st comment
In reply to:

Sangster: Yahoo is paying millions for Marissa Mayer to lead the company so far under her watch there have been 2 massive data breach. Yet the board still have not fired her. So much for pay for performance.

I've seen a post by a Yahoo employee claiming that Yahoo was really badly broken when Marissa Meyer arrived, and there were a lot of people playing the obstruction game, and no matter what MM did she would not have the resources to fix the company. The employee said that MM was about as good as you could hope for, but the situation was already really rotten when she arrived.

Link | Posted on Dec 16, 2016 at 17:30 UTC
In reply to:

Sezano: Not exactly street photography material. I might get attacked. For everything else, an amazing lens.

It's fluorite, not flour, right?

Link | Posted on Oct 26, 2016 at 11:42 UTC
In reply to:

DongaMogudu: What is the issue with using it on some latest bodies:
Models that can be used with some limitations: Df, D800 series, D750, D610, D600, D300 series, D7200, D7100, D5500, D5300, D5200, D5100, D5000, D3400, D3300, D3200, D3100

There really is not much point using it on DX bodies

Link | Posted on Oct 19, 2016 at 18:30 UTC
In reply to:

alcaher: 500mm, who dont want a lens like that?

Is the 12-24 for just APs-C? or is it for FF? the ultrawide lenses like the 10-20 or the 8-16mm are great but they are not ART. If sigma make a high quality wa Art lens for Aps-c would be wonderful.... this one is great but starts at 12mm.

500mm still too short for a moonshot. Trust me, I have a 1000mm "Mirror lens" and it's still too short for that.

Link | Posted on Sep 19, 2016 at 20:12 UTC
In reply to:

getoutandshoot: I'm disappointed to see that protruding bulbous front element on the 12-24mm, so yet another wide angle lens that doesn't easily take filters...


The idea would have been perhaps to put a filter in the middle of the lens, like it is on my older Nikon 300mm f/4.5

Link | Posted on Sep 19, 2016 at 20:10 UTC
On article 6 tips for shooting fall color (109 comments in total)
In reply to:

Dirk Nuary: Tips number 8. Use raw format then increase vibrance and saturation.

Tip number 9: use HDR photography. For example use Photomatix pro and use the "natural" rendition so it will not look overdone.

Link | Posted on Sep 6, 2016 at 09:53 UTC
In reply to:

CameraLabTester: This is seriously a serial problem.

Panasonic must catch this serial killer...


Ay, there's the rub

Link | Posted on Jul 9, 2015 at 09:09 UTC
Total: 54, showing: 1 – 20
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