Technical Questions on Photography and Optics

Subject	Started by	Replies	Views	Last post
Post processing using DPP	piyush	4	9290	March 02, 2009, 09:00:36 PM by piyush
Raw files and ISO THE QUESTION NO ONE SEEMS TO BE ABLE TO ANSWER	REGGIE	2	6875	October 06, 2009, 07:56:02 PM by REGGIE
Minolta MD lens used on Canon EOS 7D... one problem,	rich	1	7614	July 14, 2010, 11:52:26 PM by Bob Atkins
Canon 70-300 vs Sigma 120-400	ricojones	2	10268	January 15, 2010, 06:50:02 PM by ricojones
The Age Old Question - Lenses	Rikster71	14	12056	February 11, 2010, 10:30:55 AM by Bob Atkins
Extension Tube Question EF 70-300 IS	rixtix	4	7177	April 30, 2013, 05:04:45 PM by rixtix
Testing Old FD Lenses	SidSP	2	7096	July 28, 2009, 03:12:39 PM by SidSP
EF-S Aperture vs EF Aperture	Sponge1971	2	11543	October 19, 2008, 10:26:01 PM by Sponge1971
EF kit lense Auto Focus	stixstudios	4	6289	January 30, 2010, 07:59:55 PM by emanresu
canon 24mm f2.8	streetshooter	1	8530	September 04, 2008, 11:26:29 AM by Bob Atkins
Canon 40D picture quality issue!	Tallyther	1	5142	March 07, 2010, 07:21:51 PM by Bob Atkins
"L" Lens Mount Issue	Tallyther	2	5775	January 23, 2010, 12:41:14 PM by Tallyther
Questionable Damage Effects Due to Dented End of Lens	Tallyther	2	5552	January 23, 2010, 12:40:15 PM by Tallyther
I'm looking at buying a refurbished Canon EF 300mm f/2.8L IS USM. Please advise	Tallyther	2	6317	January 13, 2010, 07:48:12 PM by Tallyther
Sigma VS Canon Telephot Comparison Question	Tallyther	1	4652	January 10, 2010, 10:19:43 PM by Bob Atkins
I want an eye popping sharp lens compared to what I have. So which is least $?	Tallyther	10	10566	January 29, 2010, 08:08:22 PM by emanresu
Exposure Time Limitations on a Canon 40D	Tallyther	1	5450	March 26, 2012, 09:59:31 PM by Bob Atkins
5Dll vs 1DS Markll	tony rizzo	0	6071	May 12, 2009, 04:47:17 PM by tony rizzo
EF 28-135 vs EF 24-105	Van	0	6551	October 21, 2009, 09:40:47 AM by Van
Resolution and High ISO use.	whizkid	7	11120	July 17, 2009, 08:50:22 AM by Bob Atkins