Forgot Password
Pentax Camera Forums Home

Show Printable Version Search this Thread
12-21-2010, 08:49 AM - 1 Like   #1
Veteran Member
alexeyga's Avatar

Join Date: Dec 2008
Location: Montreal, Canada
Posts: 838
K5/A550/D7000 sensor and diffraction limited aperture...

Came across a great article on diffraction limited aperture. These who can read in Russian, please help your-self: - Таблица характеристик матриц цифровых фотоаппаратов.

For these who can't, you can still check out the diffraction limit table at the bottom of the article, only need to pay attention to the red column and the respectable camera model.

Long story short, 16MP APS-C sized sensor used in K5/A550/D7000 has a diffraction limit of f/8.6 Which in practice means that after f/8.6 you'll start loosing sharpness.

So much for chasing stains at f32....

I guess Nikon wasn't so wrong by sticking with "only" 12MPs for their FF cameras...

12-21-2010, 09:08 AM   #2
fs999's Avatar

Join Date: Jul 2008
Location: Luxembourg
Photos: Gallery
Posts: 5,664
DA* 200mm at f:22 with Hoya Close-up n°3


  • 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!
article, camera, diffraction, dslr, k-5, k-5 ii, k-5 iis, k5, limit, pentax k-5, sensor
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
Hyperfocus and diffraction help. ladybug Troubleshooting and Beginner Help 14 05-13-2012 05:05 PM
ISO3200 JPEG from 16MP Sony Sensor (from Nikon D7000) kevinschoenmakers Pentax News and Rumors 96 10-31-2010 06:58 AM
K-5 possible diffraction limitations bymy141 Pentax K-5 37 10-15-2010 01:40 PM
First tripod? Benro a550 vs Manfrotto 190xprob roadkill4snacks Pentax Camera and Field Accessories 15 03-02-2010 04:37 PM
Diffraction issue montecarlo Photographic Technique 12 09-10-2008 11:12 PM

All times are GMT -7. The time now is 10:21 PM. | See also:, 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?
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]