The GetDPI Photography Forum

Great to see you here. Join our insightful photographic forum today and start tapping into a huge wealth of photographic knowledge. Completing our simple registration process will allow you to gain access to exclusive content, add your own topics and posts, share your work and connect with other members through your own private inbox! And don’t forget to say hi!

PhaseOne Lenses Sharpness



Does anyone have experience which aperture has the best sharpness with the Schneider lenses SK 3.5/ 35 LS and SK 3.5/ 150 mm LS?


Bill Caulfeild-Browne

Well-known member
F8 is best for both IMHO. The 35 is diffraction limited at about that point but iit s hardly discernible. The 150 3.5 (a favourite of mine!) works best for me at F8 to F11. Of course, it depends on how harp you want the extreme corners. For wildlife (see my Red Squirrel in the Fun thread) wide open works fine because the corners are not important.
  • Like
Reactions: med