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yusuf · 04-22-2011, 03:39 AM

Originally posted by Ash

I can vouch for the phenomenal DR the K-5 has at ISO 80.
High contrast scenes are hardly a problem for it, notably recording shadow and highlight detail with more clarity than compared to both my K10D and K20D.
I can't give objective measures or post examples, but it's definitely no gimmick. The K-5 sensor's DR has real life benefits in photography.

agree, it's a undisputed fact. According to DxO, k-5 dynamic range is even better than 645D - however k-r/x & 645D are very close in dynamic range and really want to see how they compare in real life, may be some can shoot and share same scene with k-5 vs k-x/r.

WerTicus · 04-22-2011, 05:03 AM

2 more stops

johnmflores · 04-22-2011, 08:13 AM

Originally posted by RonHendriks1966

I don't have/used K-x or K-r so no comparison. I did use K-7 so my world in DR got a little bigger with the K-5.

A picture with everything in it, taken with my K-5 Silver, FA*85mm at f2,2 and iso 100. With K-7 this would have lead to either black without detail, or white without detail or maybe even both.

This photo is worth a thousand words. Thx.

Eruditass · 04-23-2011, 05:54 PM

Originally posted by WerTicus

2 more stops

At the same ISO settings, DxO says ~1 stop?

**Rondec** · 04-23-2011, 05:59 PM

Originally posted by Eruditass

At the same ISO settings, DxO says ~1 stop?

Right. The only thing is that base iso for kx is really 200, while for the K5 it goes all the way down to 80. Comparing base isos, there is a two stop difference, although from 200 on, it drops to only a stop.

Nobbys Nuts · 04-24-2011, 06:46 PM

not sure if these help or not but both taken with my KR with a Sigma 70-300 DG APO and resized from RAW in Photoshop to upload here.
Picked these 2 because of the contrasting light and dark backgrounds in each.
ISO100, F/6.3, 1/500th +1.3 Exposure hand held

ISO100, F/18, 1/15th hand held

This one with same combo of KR and Sigma 70-300 but I had forgotten I had been using it indoors at ISO1600 and not changed it back
ISO1600, F/18 and 1/3200th hand held.
I have used one pass of Topaz Denoise 5 at RAW Medium on this one.

secateurs · 04-26-2011, 06:59 PM

I would like to know what the difference is between the DR of ISO 80 and ISO 160 with highlight correction turned on.

I too am loving the ease of post processing with K-5 files. It's almost magical.

RonHendriks1966 · 04-27-2011, 01:19 AM

Originally posted by secateurs

I would like to know what the difference is between the DR of ISO 80 and ISO 160 with highlight correction turned on.

I too am loving the ease of post processing with K-5 files. It's almost magical.

The difference is a shift towards the highlights at the cost of a little DR reach in the dark parts. As far as I know the total DR is more-or-less the same in total. You gaina full stop in highlights.

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04-22-2011, 03:39 AM	#16
yusuf Pentaxian Join Date: Nov 2008 Location: Palo Alto, CA Photos: Gallery Posts: 2,497 Original Poster	Originally posted by Ash I can vouch for the phenomenal DR the K-5 has at ISO 80. High contrast scenes are hardly a problem for it, notably recording shadow and highlight detail with more clarity than compared to both my K10D and K20D. I can't give objective measures or post examples, but it's definitely no gimmick. The K-5 sensor's DR has real life benefits in photography. agree, it's a undisputed fact. According to DxO, k-5 dynamic range is even better than 645D - however k-r/x & 645D are very close in dynamic range and really want to see how they compare in real life, may be some can shoot and share same scene with k-5 vs k-x/r.

04-22-2011, 05:03 AM	#17
WerTicus Veteran Member Join Date: Mar 2009 Location: Perth Australia Photos: Albums Posts: 1,514	2 more stops

04-22-2011, 08:13 AM	#18
johnmflores Veteran Member Join Date: Apr 2009 Location: Somerville, NJ Photos: Gallery \| Albums Posts: 5,361	Originally posted by RonHendriks1966 I don't have/used K-x or K-r so no comparison. I did use K-7 so my world in DR got a little bigger with the K-5. A picture with everything in it, taken with my K-5 Silver, FA*85mm at f2,2 and iso 100. With K-7 this would have lead to either black without detail, or white without detail or maybe even both. This photo is worth a thousand words. Thx.

04-23-2011, 05:54 PM	#19
Eruditass Veteran Member Join Date: Jul 2009 Photos: Gallery Posts: 2,207	Originally posted by WerTicus 2 more stops At the same ISO settings, DxO says ~1 stop?

04-23-2011, 05:59 PM	#20
Rondec Loyal Site Supporter Join Date: Mar 2009 Location: Gladys, Virginia Photos: Gallery Posts: 27,665	Originally posted by Eruditass At the same ISO settings, DxO says ~1 stop? Right. The only thing is that base iso for kx is really 200, while for the K5 it goes all the way down to 80. Comparing base isos, there is a two stop difference, although from 200 on, it drops to only a stop.

04-24-2011, 06:46 PM	#21
Nobbys Nuts Inactive Account Join Date: Sep 2008 Location: Gold Coast, Qld Photos: Gallery Posts: 95	not sure if these help or not but both taken with my KR with a Sigma 70-300 DG APO and resized from RAW in Photoshop to upload here. Picked these 2 because of the contrasting light and dark backgrounds in each. ISO100, F/6.3, 1/500th +1.3 Exposure hand held ISO100, F/18, 1/15th hand held This one with same combo of KR and Sigma 70-300 but I had forgotten I had been using it indoors at ISO1600 and not changed it back ISO1600, F/18 and 1/3200th hand held. I have used one pass of Topaz Denoise 5 at RAW Medium on this one.

04-26-2011, 06:59 PM	#22
secateurs Senior Member Join Date: Oct 2010 Location: Adelaide, Australia Photos: Albums Posts: 250	I would like to know what the difference is between the DR of ISO 80 and ISO 160 with highlight correction turned on. I too am loving the ease of post processing with K-5 files. It's almost magical.

04-27-2011, 01:19 AM	#23
RonHendriks1966 Banned Join Date: Jan 2009 Photos: Gallery Posts: 9,675	Originally posted by secateurs I would like to know what the difference is between the DR of ISO 80 and ISO 160 with highlight correction turned on. I too am loving the ease of post processing with K-5 files. It's almost magical. The difference is a shift towards the highlights at the cost of a little DR reach in the dark parts. As far as I know the total DR is more-or-less the same in total. You gaina full stop in highlights.

Real life DR - K5 vs kr/kx

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