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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
Remembering Velvia color DNA 1 6717 Last post June 22, 2008, 07:06:41 PM
by Bob Atkins
New scratch-resistant filters? deemery 1 5965 Last post February 18, 2009, 10:41:51 AM
by Bob Atkins
Digital Dark Room skill DNA 1 6567 Last post June 26, 2008, 04:53:33 PM
by KeithB
Telescope Mounts for Cameras klindup 1 2880 Last post June 13, 2013, 01:39:39 PM
by Bob Atkins
Millennium UV Filters dppollet 1 5775 Last post January 20, 2009, 04:49:43 PM
by Bob Atkins
Lines per mm. in relation to magnification factors. alanscape 1 6263 Last post January 04, 2009, 10:48:20 AM
by Bob Atkins
I accidentally forcefully over-turned the lens barrel (rotating) ashy 1 5415 Last post August 11, 2009, 02:54:06 PM
by Bob Atkins
Lens testing KeithB 2 4019 Last post June 16, 2010, 11:54:12 AM
by Bob Atkins
1.6X crop versus full frame sensor diffraction limits with small apertures John Hanlon 2 11187 Last post July 01, 2008, 10:08:11 AM
by John Hanlon
My not-sharp 28-135 IS mlmoody 2 5708 Last post June 03, 2009, 10:53:48 AM
by KeithB
Questionable Damage Effects Due to Dented End of Lens Tallyther 2 3840 Last post January 23, 2010, 12:40:15 PM
by Tallyther
Full frame lens use with DX sensor (Nikon) johnhartman 2 5463 Last post May 22, 2009, 09:15:16 AM
by johnhartman
"L" Lens Mount Issue Tallyther 2 4151 Last post January 23, 2010, 12:41:14 PM
by Tallyther
I'm looking at buying a refurbished Canon EF 300mm f/2.8L IS USM. Please advise Tallyther 2 4709 Last post January 13, 2010, 07:48:12 PM
by Tallyther
White Balance on Canon EOS Digital alexthephotoguy 2 6729 Last post January 05, 2009, 04:12:42 PM
by KeithB
FF vs APS ( 5D vs 20D sensor) article nycandre 2 5227 Last post August 01, 2009, 01:54:45 PM
by nycandre
Whisch lens to choose? Mickw 2 5956 Last post June 07, 2009, 10:50:58 PM
by Bob Atkins
Tamron 18-250, not really 250. Really not 250. winniv 2 5766 Last post September 16, 2009, 10:50:27 PM
by winniv
Cropped Sensor "extra reach"...I'm confused duranash 2 5336 Last post April 02, 2011, 07:18:22 PM
by duranash
sRAW and how it is implemented? 509 2 10517 Last post August 28, 2008, 10:07:33 AM
by 509
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