Chunsum J Choi

Chunsum J Choi

Lives in United States United States
Joined on Aug 8, 2003

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Subject Forum Last post
Idea for Sigma - part 2.... Sigma Camera Talk 4 days ago
External Battery Pack for DP1/2/3 Merill's Sigma Camera Talk 3 months ago
Can anyone share any inspiring landscapes with the SD1 please? Sigma Camera Talk 5 months ago
Kazuto Yamaki says about Quattro Sensor 20 x 3 = 60 MP Sigma Camera Talk 5 months ago
Quattro- lets talk about what the image will look like.... Sigma Camera Talk 5 months ago
Is Sigma giving up the true color sensor design ? Photographic Science and Technology 5 months ago
Even old goats look good with DP3M Sigma Camera Talk 5 months ago
"Abandoned" Sd1 and DP2m Sigma Camera Talk 11 months ago
I'm on the Loose with a DP1M Sigma Camera Talk 11 months ago
How old are you? Sigma Camera Talk 11 months ago
amazing $300 DPx upgrade to Leica lenses, interchangeable Sigma Camera Talk 11 months ago
Cannot transfer 32GB of data from DP Merrill over USB Sigma Camera Talk 11 months ago
Overthrow the system with Sigma? Sigma Camera Talk 11 months ago
Will Thom's prediction come true? Sigma Camera Talk Jun 23, 2013
Firmware Updates for DP1M, DP2M, DP3M Sigma Camera Talk Jun 14, 2013
20mm test: Prime versus Zoom: What is better? Sigma Camera Talk Jun 11, 2013
Your best foveon B&W Sigma Camera Talk May 22, 2013
DP Merrill power solution. Sigma Camera Talk May 7, 2013
DP M mount, hoax or not? Sigma Camera Talk Apr 3, 2013
FOVEON vs BAYER = the brothers in law. New polemic. Sigma Camera Talk Mar 31, 2013
Face detection, what's the point of it? Sigma Camera Talk Mar 14, 2013
DP2M for environmental portraits Sigma Camera Talk Mar 11, 2013
Nikon finally copies the DP1 Sigma Camera Talk Mar 10, 2013
Uh, oh - finally ordered an SD1 Merrill => macro coming your way (again...) Sigma Camera Talk Mar 8, 2013
controversial Sigma Camera Talk Feb 22, 2013
Warm up your B&W Landscapes Sigma Camera Talk Feb 6, 2013
Please post 6 favorite Sigma shots you have taken... Sigma Camera Talk Jan 27, 2013
Has anyone tried one of the iPod chargers with DP*M? Sigma Camera Talk Jan 17, 2013
Request for Advice Sigma Camera Talk Dec 15, 2012
Forum's new look... Sigma Camera Talk Dec 10, 2012
Dear Sigma, I'm not keeping the DP1 Merrill. Sigma Camera Talk Nov 28, 2012
What is "HD resolution" Sigma Camera Talk Nov 26, 2012
New Firmware and SPP Sigma Camera Talk Nov 21, 2012
I need some help merging my two favorite hobbies..... Sigma Camera Talk Nov 10, 2012
This camera makes absolutely no sense for me, but... Sigma Camera Talk Nov 3, 2012
DP2M Eats Batteries For Breakfast! Sigma Camera Talk Oct 19, 2012
What the heck has happened to Dpreview? Sigma Camera Talk Oct 18, 2012
Anyone knows whether the USB cable with the DP*M is proprietary ? Sigma Camera Talk Oct 5, 2012
Accessorizing the DP2M Sigma Camera Talk Oct 4, 2012
Grip for DP2 Merrill Sigma Camera Talk Sep 21, 2012
DP2M Viewfinder Sigma Camera Talk Sep 6, 2012
What has happened to Carl Rytterfalk? Sigma Camera Talk Sep 6, 2012
Another DP2M user review to share Sigma Camera Talk Aug 31, 2012
My reaction to the DP2 Merrill pictures posted Sigma Camera Talk Aug 29, 2012
DP2m banding: New unit much better than old Sigma Camera Talk Aug 25, 2012
Firmware update question Sigma Camera Talk Aug 22, 2012
Grip Sigma Camera Talk Aug 22, 2012
banding pattern Sigma Camera Talk Aug 21, 2012
Weekend Pix for week ending August 17th to 20th Sigma Camera Talk Aug 21, 2012
Details (large files) Sigma Camera Talk Aug 19, 2012