Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
12-17-2014, 10:40 PM - 1 Like   #1
Veteran Member
enoxatnep's Avatar

Join Date: Nov 2008
Location: The edge of nowhere, Alberta, Canada
Photos: Gallery | Albums
Posts: 467
WOW!!!!! I didn't think high ISO would be THIS good!!

I was just goofing around this evening with my K-3 and DA* 50-135. I was zoomed in all the way at f/2.8 in TAv mode, 1/80 sec., but it wasn't until I had it in Lightroom 5 that I realized it was ISO 16,000! For the record, it was shot as a DNG file. I didn't think NR would have much effect, but all I did was move the luminance noise-reduction slider to 30 - no other NR adjustments - and I was absolutely blown away!! I don't know how to export 100% crops, so here's a JPG of the entire shot. I just have to share this because I'm in a state of disbelief!

Name:  20141217-K3-0036.jpg
Views: 3143
Size:  542.7 KB

12-17-2014, 11:05 PM   #2
Site Supporter




Join Date: Jan 2011
Posts: 2,395
very impressive
12-17-2014, 11:14 PM   #3
Pentaxian




Join Date: Jul 2010
Location: Oregon
Photos: Albums
Posts: 1,418
Low light photography has come a long way. That would be impressive for iso 400 35mm film.
12-17-2014, 11:16 PM   #4
Veteran Member




Join Date: Jul 2010
Location: Santa Cruz, CA
Photos: Albums
Posts: 377
Wow! That looks better than my K-5IIs! Not something I was expecting!

12-17-2014, 11:28 PM   #5
Veteran Member
enoxatnep's Avatar

Join Date: Nov 2008
Location: The edge of nowhere, Alberta, Canada
Photos: Gallery | Albums
Posts: 467
Original Poster
I thought the bigger sensor vs. my old K-5 would certainly mean more noise. I was never satisfied with anything over ISO 3,200 on that camera.
12-17-2014, 11:35 PM - 4 Likes   #6
Pentaxian




Join Date: Oct 2009
Location: Far North Qld
Posts: 3,294
The cat looks surprised too...
12-18-2014, 12:22 AM   #7
Pentaxian
RobG's Avatar

Join Date: Dec 2009
Location: Canberra
Photos: Gallery | Albums
Posts: 3,722
When I got my K3, it was by default in Auto-ISO up to 3200 ISO. I was really impressed by the results at 3200 ISO. It hasn't been very long since the K7, and I seldom attempted to push the K7 beyond 400 ISO.
12-18-2014, 01:06 AM   #8
Senior Member




Join Date: Nov 2010
Location: Calgary
Photos: Albums
Posts: 122
QuoteOriginally posted by enoxatnep Quote
I thought the bigger sensor vs. my old K-5 would certainly mean more noise. I was never satisfied with anything over ISO 3,200 on that camera.
I'm glad I'm not the only one who thought this. I recently picked up a Nikon Df for this very reason (though Pentax is still #1 in my heart, and probably my hands!)

Perhaps I should've investigated the K-3 closer, though consensus everywhere I read was that the K-3 was similar to the K-5. Perhaps I mis-read

12-18-2014, 04:40 AM   #9
Site Supporter
mwilky55's Avatar

Join Date: Feb 2012
Location: Southeastern Connecticut
Photos: Albums
Posts: 680
Thanks for sharing. That is remarkably free of noise for that ISO.

What I want to know, though, is how did you get in our house to take a picture of Cleo, our cat? Or maybe she found her way to Alberta and back one night???? Spitting image.

Thanks again. I'm considering a K-3 and this is good reinforcement.
12-18-2014, 05:13 AM - 10 Likes   #10
Site Supporter




Join Date: Jan 2008
Location: Middle of Everywhere
Photos: Gallery
Posts: 1,169
QuoteOriginally posted by enoxatnep Quote
I was just goofing around this evening with my K-3 and DA* 50-135. I was zoomed in all the way at f/2.8 in TAv mode, 1/80 sec., but it wasn't until I had it in Lightroom 5 that I realized it was ISO 16,000! For the record, it was shot as a DNG file. I didn't think NR would have much effect, but all I did was move the luminance noise-reduction slider to 30 - no other NR adjustments - and I was absolutely blown away!! I don't know how to export 100% crops, so here's a JPG of the entire shot. I just have to share this because I'm in a state of disbelief!
AND... Want to do more...?
Try this in LR (should take less than 10 seconds)...

1. Open the DNG file in the DEVELOP module.
2. Open the DETAIL dialog box and go to the Noise Reduction set of sliders.
3. Press the "Alt" key on your PC to turn the image to B&W, then with your mouse pointer, push the Luminance slider to the place on the scale where the noise speckles start to fade, then adjust to suit your fancy (some like to leave a few speckles to keep the image from looking plastic...). Be patient as it may take a moment for the effect to become apparent.
4. Press the Alt key, again and adjust the COLOR slider to remove the color speckles. Again, be patient as it may take a moment or two for the color speckles to dissolve.
5. Go to the SHARPENING set of sliders (above the NR set in the DETAIL dialog box).
6. In your mind, subtract the Luminance adjustment number from 100 and enter that calculation into the AMOUNT slider's adjustment result box. For example, if your Luminance number was 30, enter 70. Notice that the luminance noise you erased earlier has returned. UGH ! Get rid of it by...
7. Press the Alt key on your PC, again, and adjust the MASKING slider to the point that your image appears to be a B&W line drawing.
8. Release the Alt key...

BINGO ! You have killed the image noise AND sharpened it, as needed to fit your taste. Now, let's get that pesky WB under control...


(H/T: https://www.pentaxforums.com/forums/172-pentax-k-3/247974-k-3-noise-2.html#post2644938 )

Cheers... M

Last edited by Michaelina2; 12-19-2014 at 10:13 PM.
12-18-2014, 08:01 AM   #11
Pentaxian




Join Date: Oct 2013
Posts: 878
QuoteOriginally posted by enoxatnep Quote
I was just goofing around this evening with my K-3 and DA* 50-135. I was zoomed in all the way at f/2.8 in TAv mode, 1/80 sec., but it wasn't until I had it in Lightroom 5 that I realized it was ISO 16,000! For the record, it was shot as a DNG file. I didn't think NR would have much effect, but all I did was move the luminance noise-reduction slider to 30 - no other NR adjustments - and I was absolutely blown away!! I don't know how to export 100% crops, so here's a JPG of the entire shot. I just have to share this because I'm in a state of disbelief!

Attachment 250223
Wow! are you sure it is ISO 16,000? I gotta get more familiar with this noise adjustments in PS and LR. If I saw this image without the relevant information, I would have never guessed that high of an ISO. It is very sharp too. Good job.
12-18-2014, 08:05 AM   #12
Pentaxian
normhead's Avatar

Join Date: Jun 2007
Location: Near Algonquin Park
Photos: Gallery | Albums
Posts: 25,868
The exif shows 16,000, but I've had much worse noise on 1,600 ISO
12-18-2014, 08:24 AM   #13
Veteran Member
enoxatnep's Avatar

Join Date: Nov 2008
Location: The edge of nowhere, Alberta, Canada
Photos: Gallery | Albums
Posts: 467
Original Poster
QuoteOriginally posted by btnapa Quote
Wow! are you sure it is ISO 16,000? I gotta get more familiar with this noise adjustments in PS and LR. If I saw this image without the relevant information, I would have never guessed that high of an ISO. It is very sharp too. Good job.
I had to double-check again this morning because I thought perhaps I had mis-read ISO 1600, being late and all. That would have made more sense to me. But nope, it's definitely ISO 16,000! Again, I'm still blown away, plus I'd like to try Michaelina2's advice, but I'm wondering if I use the Alt key on a Mac as well?
12-18-2014, 08:33 AM   #14
Senior Moderator
Loyal Site Supporter
Parallax's Avatar

Join Date: Apr 2008
Location: South Dakota
Photos: Gallery
Posts: 15,622
QuoteOriginally posted by enoxatnep Quote
I thought the bigger sensor vs. my old K-5 would certainly mean more noise.
K-5 and K-3 are the same size sensor. both are APS-c.
12-18-2014, 08:47 AM   #15
Loyal Site Supporter
LeRolls's Avatar

Join Date: Oct 2012
Location: PSL, FL
Posts: 3,644
Image looks quite good for such a high ISO. The quality of light must have also played a role in how well the image came out.
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
dslr, image, iso, k-3, k-5, k3, light, nr, pentax k-3, quality, sensor, shot
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Can't Believe I Didn't Know This (Feeling Stupid) OrangeKx General Photography 31 12-22-2014 11:15 AM
I didn't think much of that photo from the fair (the Vortex) ASheffield General Talk 10 11-03-2013 07:29 AM
I didn't think my first lens would be a teleconverter! KHatfull Pentax SLR Lens Discussion 3 08-18-2012 04:32 PM
I didn't know this about IS... FHPhotographer Pentax SLR Lens Discussion 16 02-10-2009 10:31 AM



All times are GMT -7. The time now is 01:40 AM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top