John,

The less light there is, the worse the noise will be. In available dark, 
even 400 will be noisy, while 3200 si acceptable with enough light.

-Adam



John Coyle wrote:
> Shel, I have a feeling that a firmware upgrade may have helped, with the 
> early versions of the D at least.  Soon after getting the camera I took some 
> shots in available dark at 3200 which turned out very noisy - not unusable 
> but definitely not what I wanted!  The next day, having forgotten that I'd 
> left the ISO set to 3200, I shot some landscapes, which were Ok but 
> definitely looked "grainy".  However, more recently I deliberately shot at 
> the top ISO and was very pleasantly surprised at the results- definitely 
> useable.
> More technically-minded PDML-ers will no doubt tell me if that were 
> possible!
> 
> John Coyle
> Brisbane, Australia
> ----- Original Message ----- 
> From: "Shel Belinkoff" <[EMAIL PROTECTED]>
> To: "PDML" <[email protected]>
> Sent: Thursday, September 14, 2006 1:21 PM
> Subject: istDS Noise @ ISO 3200 - again
> 
> 
> 
>>Whoops!  Forgot the URL
>>
>>There were some comments about how noisy ISO 3200 is with the Pentax
>>DSLR's. Here's a large section from a photo I took last month @ Godders'
>>reception. It shows Marnie looking at her Optio. I made no adjustments to
>>the image other than to correct the white balance. The image is just how 
>>it
>>came from the RAW converter in Photoshop CS. All I did was crop a section
>>of it for upload. It's a large file - 900 kb. How's the noise?
>>
>>
>>http://home.earthlink.net/~my-pics/IMGP4540-sect.jpg
>>
>>
>>Here's the tech - EXIF info
>>
>>
>>Lens SMCP-A 50/1.4 @ f/2.8, 1/20 sec handheld
>>
>>
>>Model - PENTAX *ist DS
>>Orientation - Top left
>>XResolution - 330
>>YResolution - 330
>>ResolutionUnit - Inch
>>Software - Adobe Photoshop CS Windows
>>DateTime - 2006:09:08 14:27:06
>>ExifOffset - 220
>>ExposureTime - 1/20 seconds
>>FNumber - 2.80
>>ExposureProgram - Aperture priority
>>ISOSpeedRatings - 3200
>>DateTimeOriginal - 2006:08:19 20:27:53
>>ShutterSpeedValue - 1/20 seconds
>>ApertureValue - F 2.80
>>ExposureBiasValue - 0.70
>>MeteringMode - Center weighted average
>>Flash - Not fired, compulsory flash mode
>>ColorSpace - sRGB
>>ExifImageWidth - 1000
>>ExifImageHeight - 800
>>
>>
>>Shel
>>
>>
>>
>>
>>-- 
>>PDML Pentax-Discuss Mail List
>>[email protected]
>>http://pdml.net/mailman/listinfo/pdml_pdml.net
>>
> 
> 


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