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+  The Canon EOS and Photography Forums
|-+  Photography Forums
| |-+  Technical Questions on Photography and Optics
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Subject Started by Replies Views Last post
Digital Dark Room skill DNA 1 5054 Last post June 26, 2008, 04:53:33 PM
by KeithB
Exposure Time Limitations on a Canon 40D Tallyther 1 2121 Last post March 26, 2012, 09:59:31 PM
by Bob Atkins
New scratch-resistant filters? deemery 1 4437 Last post February 18, 2009, 10:41:51 AM
by Bob Atkins
How does microfocus adjustment work? Frank Kolwicz 1 2552 Last post August 08, 2012, 02:36:36 PM
by KeithB
Lens testing KeithB 2 2602 Last post June 16, 2010, 11:54:12 AM
by Bob Atkins
Question about the new DXO site and lens measurement methods Johnny 2 2412 Last post June 28, 2010, 08:56:58 AM
by Johnny
Location of Aperture KeithB 2 6299 Last post August 21, 2008, 12:54:44 PM
by KeithB
My not-sharp 28-135 IS mlmoody 2 4519 Last post June 03, 2009, 10:53:48 AM
by KeithB
DOF: comparing TS-E lenses for Product Photography (1" - 10" sized jewelry) mr.peacock 2 3095 Last post July 13, 2010, 09:22:07 AM
by mr.peacock
Spherical aberration and focusing mike_tee_vee 2 5437 Last post February 27, 2009, 12:47:58 PM
by klindup
Canon 70-300 vs Sigma 120-400 ricojones 2 6254 Last post January 15, 2010, 06:50:02 PM
by ricojones
1.6X crop versus full frame sensor diffraction limits with small apertures John Hanlon 2 8172 Last post July 01, 2008, 10:08:11 AM
by John Hanlon
Tamron 18-250, not really 250. Really not 250. winniv 2 4216 Last post September 16, 2009, 10:50:27 PM
by winniv
newbie lens question 126andy 2 2379 Last post March 07, 2010, 02:08:51 PM
by 126andy
"L" Lens Mount Issue Tallyther 2 2803 Last post January 23, 2010, 12:41:14 PM
by Tallyther
Questionable Damage Effects Due to Dented End of Lens Tallyther 2 2639 Last post January 23, 2010, 12:40:15 PM
by Tallyther
Why not more wide angle zoom? Patibo 2 1870 Last post February 11, 2012, 02:03:50 PM
by Glenn NK
Blurry Advice FlashManAB 2 4348 Last post February 24, 2009, 12:29:20 AM
by FlashManAB
checkerboard chart avi 2 3911 Last post March 15, 2010, 11:41:13 AM
by avi
Is a lens with fungus spots worth buying? yayas 2 6178 Last post March 21, 2009, 11:53:53 AM
by yayas
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