xpatUSA

xpatUSA

Lives in United States Bellville, TX, United States
Works as a Retired Engineering Consultant
Has a website at tcktek.blogspot.com
Joined on Dec 15, 2011
About me:

Mostly interested in Foveon technology.

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Snapshot of threads updated recently in which you have recently participated.

Subject Forum Last post
Use off-camera flash with SD Quattro? Sigma Camera Talk 2 hours ago
Back to the Future ... recommended CF card for the SD9? Sigma Camera Talk 2 hours ago
X3F tools disappointing results Sigma Camera Talk 7 hours ago
FINALLY . . . I Join You In The Merrill World Sigma Camera Talk 10 hours ago
PLEASE bear with me BUT more Sigma lens question Sigma Camera Talk 12 hours ago
History Lesson ... how good is the SD14 Sigma Camera Talk 14 hours ago
SD1M used to simulate Kodak IR film . . Sigma Camera Talk 1 day ago
Gone Retro . . . Sigma Camera Talk 1 day ago
Sunset snap Sigma Camera Talk 1 day ago
jpg quality? Sigma Camera Talk 1 day ago
Pleasant Surprise - SD14/17-70mm 'C' Sigma Camera Talk 2 days ago
Wish List For SPP 7.0 Sigma Camera Talk 2 days ago
SD1M versus SD Q H --- Resolution and color transitions Sigma Camera Talk 3 days ago
Help with reasonable price for used DPm DPq? Sigma Camera Talk 3 days ago
Sensor construction differences between sd Q and sd Q H? Sigma Camera Talk 4 days ago
DP2M overexposure Sigma Camera Talk 4 days ago
Color Aliasing - does the Q have it or not? Sigma Camera Talk 4 days ago
SD Quattro H First Impressions Sigma Camera Talk 5 days ago
Should Sigma Modify The X3F Fill Light Tool? Sigma Camera Talk 6 days ago
SD10 to the Rescue! Sigma Camera Talk 6 days ago
Pixel peeping and sandiness Sigma Camera Talk 6 days ago
Reasons for an SD1M owner to buy a SD Q H Sigma Camera Talk 6 days ago
What Working Space Should You Use In SPP? Sigma Camera Talk 1 week ago
SFD vs Non SFD - Comparison Sigma Camera Talk 1 week ago
Quattro X3F structure Sigma Camera Talk 1 week ago
Extravagant India Sigma Camera Talk 1 week ago
Organic CMOS Image Sensor with Electrically Controllable Near-Infrared Light Sensitivity Photographic Science and Technology 1 week ago
The Sharpness slider Sigma Camera Talk 1 week ago
Sigma sdQ-H: From DNG to...DNG Sigma Camera Talk 1 week ago
Sigma Lens Featured In Article Here On DPreveiw Sigma Camera Talk 1 week ago
Nuance In B&W Photos Sigma Camera Talk 1 week ago
Lens Diffraction in Film Cameras Photographic Science and Technology 1 week ago
Another look at diffraction Photographic Science and Technology 1 week ago
Colorspace: One of the Real Issues Sigma Camera Talk 1 week ago
FAIR ISLE BLUES (Sigma dp1s) Sigma Camera Talk 1 week ago
first take with the H Sigma Camera Talk 2 weeks ago
X3F TOOLS-tiff clipped saturated highlights icc/icm/dcraw/ufraw Sigma Camera Talk 2 weeks ago
DP2 Merrill newbie Sigma Camera Talk 2 weeks ago
Sigma zoom 18-35 1.8 on "H" Sigma Camera Talk 2 weeks ago
Heads up - quite a retro bundle Sigma Camera Talk 2 weeks ago
Love for Sigma Sigma Camera Talk 2 weeks ago
How Important Is The Histogram . . . Really? Sigma Camera Talk 2 weeks ago
Flowers and Foveon . . what to do? Sigma Camera Talk 2 weeks ago
Anyone converting Merrill .x3f files to .tif with Photo Mechanic? Sigma Camera Talk 2 weeks ago
Sigma ILC for amateur photographer Sigma Camera Talk 2 weeks ago
Base ISO of DP3M 100 or 200? Sigma Camera Talk 3 weeks ago
An interesting ISO-related metadata Tag Sigma Camera Talk 3 weeks ago
Looks like the SD Q H is ready to ship in the USA Sigma Camera Talk 3 weeks ago
Kalpanika plus Adobe DNG converter: Help Sigma Camera Talk 3 weeks ago
Glowing Cirrus Sigma Camera Talk 3 weeks ago