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05-18-2010, 02:22 PM   #16
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QuoteOriginally posted by jsherman999 Quote
When you're a Pentaxian, the world is your studio!
lol - I want this on a T-shirt!

/but I'd still like tethering ;-)

05-18-2010, 10:25 PM   #17
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QuoteOriginally posted by r0ckstarr Quote
It's like an overgrown K7 with a big sensor.
So ... it's the equivalent of a Megan Fox who'd like to sleep with you?
05-19-2010, 10:02 PM   #19
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Really cool colours.
The flower at ISO800 with no noise.

05-20-2010, 01:37 AM   #20
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OMG, it's amazing

This is better than I could imagine. What an amazing camera. If I had the money to buy it, I would also need a much bigger house, so I could decorate the walls with 4x3 meter prints :-)

QuoteOriginally posted by ogl Quote
Really cool colours.
The flower at ISO800 with no noise.
I wouldn't say "no" noise, but very little, and of "good-looking" almost film-like quality.
Hah. That shot is shot at 1/1000. I think this camera is going to be very usable hand-held.
05-20-2010, 04:23 AM   #21
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Yeah there was most def noise in that flower.
05-20-2010, 05:00 AM   #22
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these images look great,I don't see anything wrong with a bit of noise showing up in the flower shot.At low ISO the IQ looks superb, I sense I will be applying for a bank loan in the future...
05-20-2010, 05:18 AM   #23
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QuoteOriginally posted by Digitalis Quote
these images look great,I don't see anything wrong with a bit of noise showing up in the flower shot.At low ISO the IQ looks superb, I sense I will be applying for a bank loan in the future...
No, the noise is absolutely nothing to worry about, very good for ISO 800 IMHO. Isn't this a first for MF cameras?

On the Japanese Pentax site, there's another ISO 800 shot that might be even more interesting, since it has a lot of really dark parts that look very clean. Check the last image of the shop here: 645D???????????????PENTAX (click image to download full version)

05-20-2010, 07:15 AM   #24
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Very interesting. The human must be happy who has money and wish to buy 645D.
05-20-2010, 11:34 AM   #25
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For heaven's sake, clean that sensor! Yeesh!

05-20-2010, 04:53 PM   #26
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QuoteOriginally posted by gazonk Quote
No, the noise is absolutely nothing to worry about, very good for ISO 800 IMHO. Isn't this a first for MF cameras?

no, this isn't a first. There are medium format backs that go a high as ISO 1600.and they can be pushed to 6400 without too much noise creeping in. At any rate, at 40+Mp you would have to print 3MX3M for it to have any realistic impact on your images.
05-20-2010, 08:16 PM   #27
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High noise at ISO800-1600 at MF is some kind of myth.
New sensors are really good.
I had RAW samples from 39 and 50 MP Kodak sensor (Hassy) - ISO800 is not worse than CMOS FF.
05-21-2010, 12:56 AM   #28
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"High noise at ISO800-1600 at MF is some kind of myth"

you really think so? do you really think that somehow MF digital sensors can defy the physics? I don't. Even in CGI generated images there is always some quantization noise in the image.

At high Iso values there is always some noise, whether is is colour or luminance doesn't matter; it is there. It us up to the company that creates the camera's processing engine that give control over how much of it is present in images.Pentax give us a choice to remove it, or leave it in for artistic effect.. Just take a close look at the 5D MKII images even at base iso you can see chroma noise, and in some cases banding. I prefer the CCD approach Pentax have taken with the 645D with 6.0 μm pixel pitch.
05-21-2010, 01:56 AM   #29
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QuoteOriginally posted by Digitalis Quote
"High noise at ISO800-1600 at MF is some kind of myth"

you really think so? do you really think that somehow MF digital sensors can defy the physics? I don't. Even in CGI generated images there is always some quantization noise in the image.

At high Iso values there is always some noise, whether is is colour or luminance doesn't matter; it is there. It us up to the company that creates the camera's processing engine that give control over how much of it is present in images.Pentax give us a choice to remove it, or leave it in for artistic effect.. Just take a close look at the 5D MKII images even at base iso you can see chroma noise, and in some cases banding. I prefer the CCD approach Pentax have taken with the 645D with 6.0 μm pixel pitch.
I don't think. I know. Find RAW files from Hassy in the web and convert.

Have a look at S2
check this album - there are some high ISO samples
Leica S2 - SVAM - Участники - Фотогалерея iXBT
05-21-2010, 03:47 AM   #30
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QuoteOriginally posted by ogl Quote
I don't think. I know. Find RAW files from Hassy in the web and convert.

Have a look at S2
check this album - there are some high ISO samples
yes, we all know you don't think OGL

And those of us that do, will realise that the sensor is the Leica S2 is most likely different from the one being used in the Pentax 645. additionally, Leica's processing engine may be removing most of the noise from raw files the same way canon DLSR's do.
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