Technical Questions on Photography and Optics

Subject	Started by	Replies	Views	Last post
newbie lens question	126andy	2	1896	March 07, 2010, 02:08:51 PM by 126andy
Question about the new DXO site and lens measurement methods	Johnny	2	1809	June 28, 2010, 08:56:58 AM by Johnny
Tamron 18-250, not really 250. Really not 250.	winniv	2	3359	September 16, 2009, 10:50:27 PM by winniv
FF vs APS ( 5D vs 20D sensor) article	nycandre	2	3467	August 01, 2009, 01:54:45 PM by nycandre
Testing Old FD Lenses	SidSP	2	3606	July 28, 2009, 03:12:39 PM by SidSP
Limitations on editing scanned slides	bmpress	2	2509	December 12, 2009, 05:36:15 PM by bmpress
DOF: comparing TS-E lenses for Product Photography (1" - 10" sized jewelry)	mr.peacock	2	2151	July 13, 2010, 09:22:07 AM by mr.peacock
Lens testing	KeithB	2	1962	June 16, 2010, 11:54:12 AM by Bob Atkins
Cropped Sensor "extra reach"...I'm confused	duranash	2	1856	April 02, 2011, 07:18:22 PM by duranash
checkerboard chart	avi	2	3201	March 15, 2010, 11:41:13 AM by avi
380 EX Flash Gun	leorcid	2	1020	June 18, 2011, 10:44:04 AM by deemery
Aperture 3 vs. Lightroom	olyduck	2	1733	June 18, 2011, 10:46:17 AM by deemery
"L" Lens Mount Issue	Tallyther	2	2234	January 23, 2010, 12:41:14 PM by Tallyther
Questionable Damage Effects Due to Dented End of Lens	Tallyther	2	2035	January 23, 2010, 12:40:15 PM by Tallyther
Canon IS effectiveness: amplitude and frequency	Frank Kolwicz	2	63	May 20, 2013, 08:51:44 AM by Frank Kolwicz
I'm looking at buying a refurbished Canon EF 300mm f/2.8L IS USM. Please advise	Tallyther	2	2606	January 13, 2010, 07:48:12 PM by Tallyther
Why not more wide angle zoom?	Patibo	2	1087	February 11, 2012, 02:03:50 PM by Glenn NK
Raw files and ISO THE QUESTION NO ONE SEEMS TO BE ABLE TO ANSWER	REGGIE	2	3168	October 06, 2009, 07:56:02 PM by REGGIE
Blurry Advice	FlashManAB	2	3702	February 24, 2009, 12:29:20 AM by FlashManAB
Full frame lens use with DX sensor (Nikon)	johnhartman	2	3740	May 22, 2009, 09:15:16 AM by johnhartman