Thread: Canon 400mm F2.8 L FD (non-IS, manual)
View Single Post
  #39  
Old 23-09-2015, 08:12 AM
bojan's Avatar
bojan
amateur

bojan is offline 		 
Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 7,065
For comparison, below are crops from 100% sized stacks (16x) taken with f/2.8, f/3.5, f/4

Drastic difference between f2.8 and 3.5.
F/3.5 was taken with 50% increase (7sec) in exposure time.
F/4 was taken with 10sec exposure time.
Attached Thumbnails
Click for full-size image (Jewell_2.8_c.jpg)
58.2 KB85 views
Click for full-size image (Jewell_3.5.JPG)
133.1 KB86 views
Click for full-size image (Jewell_f4_c_m.jpg)
65.0 KB89 views
Reply With Quote