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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
Lens testing KeithB 2 4021 Last post June 16, 2010, 11:54:12 AM
by Bob Atkins
Constant Aperture Zooms KeithB 3 4061 Last post June 24, 2010, 11:47:28 AM
by Bob Atkins
"L" Lens Mount Issue Tallyther 2 4155 Last post January 23, 2010, 12:41:14 PM
by Tallyther
Limitations on editing scanned slides bmpress 2 4176 Last post December 12, 2009, 05:36:15 PM
by bmpress
1600mm lens for less than $180?? emanresu 0 4180 Last post December 07, 2009, 09:55:02 PM
by emanresu
Focusing long lens camera beardown911 3 4206 Last post June 11, 2010, 12:02:07 PM
by beardown911
Problem with manual focussing Frank Kolwicz 5 4222 Last post October 10, 2011, 08:51:45 AM
by KeithB
"Blueprint" a lens? Frank Kolwicz 3 4249 Last post September 21, 2011, 01:14:17 PM
by Bob Atkins
DOF: comparing TS-E lenses for Product Photography (1" - 10" sized jewelry) mr.peacock 2 4260 Last post July 13, 2010, 09:22:07 AM
by mr.peacock
White Balance Menu Settings bmpress 3 4285 Last post May 12, 2010, 10:35:41 AM
by bmpress
a question about subtractive color emanresu 4 4345 Last post February 20, 2011, 05:30:31 AM
by klindup
EF kit lense Auto Focus stixstudios 4 4347 Last post January 30, 2010, 07:59:55 PM
by emanresu
Extension Tube Question EF 70-300 IS rixtix 4 4375 Last post April 30, 2013, 05:04:45 PM
by rixtix
Will changing lens focal length by TC corrupt image stabilizer? dentheman 4 4399 Last post February 12, 2010, 02:22:58 PM
by dentheman
Viewfinder brightness limit KeithB 3 4418 Last post April 21, 2011, 07:37:21 AM
by KeithB
Sensor exposure equivalency mjperini 11 4498 Last post October 19, 2014, 03:50:20 PM
by mjperini
reflective cameras? emanresu 4 4565 Last post April 07, 2010, 10:17:13 AM
by klindup
Aperture vs sensor size KeithB 6 4595 Last post February 16, 2015, 09:12:48 AM
by Bob Atkins
question on IS motor emanresu 4 4595 Last post April 06, 2010, 01:03:28 PM
by emanresu
How does microfocus adjustment work? Frank Kolwicz 1 4707 Last post August 08, 2012, 02:36:36 PM
by KeithB
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