Osvaldo Cristo

Osvaldo Cristo

Lives in Brazil Itapevi, SP, Brazil
Works as a Engineer
Joined on Oct 22, 2002


Total: 76, showing: 21 – 40
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On Want to remember something? Don't take a photo article (185 comments in total)

"But a new study, published in Psychological Science, suggests it's possible that the act of taking pictures may actually lessen our ability to recall the details of a subject." - really? You do not need a PhD do know that!

Except for a few pictures I take from social events, virtually all my pics are made for artistry reasons - not I am an artist! I never bought that idea to "document" the life.

Direct link | Posted on Dec 14, 2013 at 10:20 UTC as 114th comment

I never used such card but since I saw their advertising years ago I had understood that functionality was standard!

Anyway I have no interest on that Mega slow gimmick.

Direct link | Posted on Dec 13, 2013 at 10:34 UTC as 6th comment
On Site update: two new forums article (32 comments in total)

Very good. It is appreciated. Congrats DPreview!

Direct link | Posted on Oct 2, 2013 at 04:04 UTC as 19th comment
On A lot of sun umbrellas in the Beach Umbrellas challenge (6 comments in total)

Human beings at their full madness... and they call that "enjoyment"... very crazy world!

Congrats for survive there. It is an interesting picture, indeed.

Direct link | Posted on Sep 29, 2013 at 18:13 UTC as 5th comment | 1 reply
On Exposure: Tony Majka captures bankrupt Detroit post (23 comments in total)

The pictures would look better without that kind of fancy effects. I cannot understand why images made with mobiles need to be distorted and over processed.

Direct link | Posted on Sep 13, 2013 at 21:16 UTC as 10th comment


Kodak DC260 was my first digital camera. I had good memories from it!

Glad you took time to write.

Direct link | Posted on Aug 21, 2013 at 00:14 UTC as 104th comment

Nikon maintain one foot on mirror less market at a cost. Nobody is making money on this cannibalistic market. People for this market wants mirror less, big sensors and have no money to to pay for that or does not want to pay for it. I wonder why manufacturers insists in this insane market.

Direct link | Posted on Aug 10, 2013 at 16:39 UTC as 59th comment
On KaleidoCamera teaches your DSLR new light field tricks article (48 comments in total)

It is a sophisticated optical filter, but placed in the "wrong" end of the lens!

Direct link | Posted on Jul 22, 2013 at 20:01 UTC as 35th comment | 6 replies

Kidding? April 1st joke?

Direct link | Posted on Jul 22, 2013 at 19:50 UTC as 247th comment

People are confused by "use value" and "exchange value".

"Use value or value in use is the utility of consuming a good; the want-satisfying power of a good or service in classical political economy. [...] exchange value refers to one of four major attributes of a commodity, i.e., an item or service produced for, and sold on the market." - Wikipedia

The point is, there is people paying for those works. It is business... or perhaps some new rich to expose it in its living room, together the purchase receipt, of course...

Crazy world!

Direct link | Posted on Jul 22, 2013 at 19:47 UTC as 97th comment
In reply to:

erichK: Where are the other eight? I'm bracing myself for them. If the rest are like these two, most especially the first, then it shows that, sadly, that the pretentious world of art speculators is the last place to look for meaningful feedback.

BTW, the Rhine is likely the most important river in Germany and runs through most of it. It has inspired some of ther greatest literature and music ever written. I grew up on its shores, and can assure anyone interested that it is much more attractive and interesting than this pompous monstrosity of an image and artifact would suggest.

UPDATE: Have found the other eight, following the link, and whiler noting that a couple of them are esthetically more pleasing, still cannot fathom why they should command the prices they to do, orders of magnitude higher than what some incomparably better images from the like of Sebastiao Salgado, W. Eugene Smith, Ansel Adams etc. have sold for.

We live in a world that commodifies everything and values nothing.

Original source: http://freeyork.org/photography/10-most-expensive-photographs-in-the-world

Direct link | Posted on Jul 22, 2013 at 19:39 UTC

It is very sad because there are real people behind all this move to cut Photographers. I wish the best for all of them and their families.

On the other hand it is the "natural trends". More and more are expected from the "survivors". It happened a lot of times in the past.

How many "secretaries" you expect to find today? I remind the time all middle level executive had its own secretary. I had one in the past. Today even some "high" executive haven´t. It is expected himself with appropriate tools to organize his agenda, schedule his trips, file his documents.

I remind in the 1990´s when the Photographers in a big newspaper had added for their responsibilities to put his picture treated and in digital format into the newspaper image servers. It killed the scanning and processing staff. Nobody liked it but it was the trend. On that time the Photographers were spared, but some haven´t such luck...

It is sad. It is difficult. Unfortunately it is the trends...

Direct link | Posted on Jul 20, 2013 at 21:09 UTC as 8th comment

Blow-up and distorted and crazy colors are cool...

Crazy world. Counter culture?

Direct link | Posted on Jun 16, 2013 at 13:40 UTC as 7th comment

I like your paper but I do not agree with your statement "DNG is the standard format". It is not. Adobe pretend that!

It is an open format and Adobe hopes people can jump into their bandwagon but it is not true so far. Nikon and DxO ignore them (well, DxO can generate that format but strangely cannot accept it).

Good job.

Direct link | Posted on Jun 8, 2013 at 18:29 UTC as 1st comment
In reply to:

falconeyes: This lens has much in common with the Pentax DA* 60-200 F/4 ED (90-380 F/6 equivalent) which is tack-sharp at the long end even outperforming most fixed focal lengths.

This is one particular lens which makes the Pentax APS-C system quite attractive.

The new Nikkor 80-400 could do the same for Nikon FX if the optical performance is similiarly top notch and if the price comes down a bit.

Sorry, wrong comparison. One 20-200 at f/6 would be muuuch easier to design and manufacture than a 80-400 lens. It is Physics: 200mm is not the same focal length than 400.

You can use that lens with a FX camera but also the same lens can be used mounted on DX or even System 1 with adapter - but it is another story.

Direct link | Posted on May 24, 2013 at 22:44 UTC

It looks a great news for System 1 users.

I am surprised by people complain about its price: it is a f/1.2 lens! Additionally it is the launch RSP and probably in a few months it will be cheaper.

Direct link | Posted on May 20, 2013 at 00:15 UTC as 7th comment | 4 replies

One of my personal finance guidelines is to maintain fixed costs at minimum. I would be not comfortable with a monthly fixed cost for my hobby.

Despite I am an Adobe faithful user since Photoshop LE, updated to (full) version 7 and successively to CS, CS2,...CS5, I do not agree the new business model from Adobe and I am reconsidering my current relationship with the tools they develop.

Of course I do not think Adobe even care if "amateurs" do not continue with Photoshop. They clearly increased the prices in order to "compensate" some loss in their current customer base. Perhaps it can be a good move to Adobe. Perhaps no.

Direct link | Posted on May 8, 2013 at 22:15 UTC as 766th comment | 1 reply

It reminds me a popular history I listened in my college in 1980: Americans spent millions to develop a pen to write at zero gravity environment in the space missions. Russians used a pencil. C´mon boys...

Direct link | Posted on Mar 15, 2013 at 00:54 UTC as 5th comment

Welcome, baby!

I bought my Nikkor 80-400 f/4.5-5.6 on 2002 to use with my (then) new Nikon D100 and today it is my oldest lens in my collection as previous lenses were replaced years back (the Sigma 15-30 by Nikkor 12-24, the Nikkor 24-120 AFD by Nikkor 24-120 f/4).

I am very happy with my older 80-400 even after so long years - of course improvements are always welcome. Let us see if in the field practice it worths so long waiting. Anyway I will not board at the first ship. I am not in a hurry.

Direct link | Posted on Mar 5, 2013 at 15:41 UTC as 25th comment

It looks the camera a lot of posters are looking for according their critics for the previous models I read exactly here, in the front page of dpreview:

DX sensor, macro capabilities, reasonable WA, fast lens, crazy high ISO, raw capabilities,... oh surprise: I found again lots of complains!!!

Where is the crowd that asked that??

Direct link | Posted on Mar 5, 2013 at 15:32 UTC as 28th comment | 2 replies
Total: 76, showing: 21 – 40
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