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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses
Thread started 29 Aug 2017 (Tuesday) 07:33
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Three new tilt-shift lenses: TS-E50mm f/2.8L, TS-E90mm f/2.8L, and TS-E135mm f/4L

 
Canon ­ Bob
Goldmember
2,023 posts
Joined May 2007
Poitou-Charentes, France
Sep 07, 2017 02:46 |  #46

cwphoto wrote in post #18443492 (external link)
Not really, a deeper DoF does nothing for sharpness at the plane of focus - yet is still affected incrementally by diffraction.

That's absolutely true. My response was in reference to Battletone's query about the DoF scale and extending the region, by use of a smaller aperture, which is perceived as being "acceptably sharp."


1Dx2 (2), 5DSR, 1D4, 5D2(590nm), 5D2(720nm) EF600 EF400 EF300 EF300 EF200 EF200-II EF180L EF135L EF100 EF85-II EF50L TS-E17/4 TS-E24L-II TS-E45 TS-E90 MP-E65 EF70-200-II EF24-70/2.8-II EF24-70/4 EF16-35/4 EF8-15/4 EF11-24/4 Zeiss 15/2.8 21/2.8 25/2 28/2 35/1.4 35/2 50/2 85/1.4 100/2 135/2 T/C's L-SC & a WIFE!

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Three new tilt-shift lenses: TS-E50mm f/2.8L, TS-E90mm f/2.8L, and TS-E135mm f/4L
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses


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