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.

Recent activity

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

Subject Forum Last post
Is it possible to get SD14 colors from SD15 or not? Sigma Camera Talk 3 hours ago
Small Lenses for SD Quattro Sigma Camera Talk 4 hours ago
Home of the giant woodpeckers dp2M full rez Sigma Camera Talk 5 hours ago
Foveon Resolution - what l/ph is adequate for YOUR needs? Sigma Camera Talk 7 hours ago
Can this be true? Sigma Camera Talk 8 hours ago
SD14/15 - still relevant? Sigma Camera Talk 10 hours ago
DP3-Q and FastStone ... do i really need SPP? Sigma Camera Talk 20 hours ago
Does the SD Quattro use the same battery as the Panasonic GH4? Sigma Camera Talk 1 day ago
DIY IR conversion question Photographic Science and Technology 1 day ago
Does foveon output print better? Sigma Camera Talk 2 days ago
The "Pure" Foveon and Interpolation. Sigma Camera Talk 2 days ago
SD Quattro has improved access to IR filter Sigma Camera Talk 3 days ago
Not much talk about the 3d effect anymore. Sigma Camera Talk 3 days ago
Why should Conversion Matrix Rows add up to 1? Photographic Science and Technology 3 days ago
Green Frog using AML-2 close-up lens/Merrill dp2 full rez Sigma Camera Talk 4 days ago
DP2 Quattro Erratic Zoom and Aperature Behaviour Sigma Camera Talk 4 days ago
A photo shot by sd Quattro SFD mode Sigma Camera Talk 4 days ago
SD Quattro H vs Pentax 645 Z Sigma Camera Talk 5 days ago
The exposure square.. Photographic Science and Technology 5 days ago
Holding a camera and avoid camera shake. Sigma Camera Talk 6 days ago
SD Quattro - thermal noise? Sigma Camera Talk 6 days ago
In-camera working color space Photographic Science and Technology 6 days ago
A few from the older cameras DPx/SD15) Sigma Camera Talk 1 week ago
Yes, "The Outback". Sigma Camera Talk 1 week ago
Who can remember the pro's and con's of the different SPP versions? Sigma Camera Talk 1 week ago
Autofocus test of my 18-200 on SD1 Sigma Camera Talk 1 week ago
Forum etiquette - posting postion in quoted replies Sigma Camera Talk 1 week ago
Merill RAW -> 16 bit TIFF - what are we losing? Sigma Camera Talk 1 week ago
Low vs. High Resolution Sigma Camera Talk 1 week ago
Post Formatting - where can I find DPR's guidance? Site Feedback and Help 1 week ago
Sigma "Merrill" vs. "Quattro", dynamic range test Photographic Science and Technology 1 week ago
Lindisfarne Castle Sigma Camera Talk 1 week ago
SDQH vs 5DSR continued Sigma Camera Talk 1 week ago
On just imagine quality alone is sigma sd quattro(H) be better or as good as 5dsr? Sigma Camera Talk 1 week ago
SD Q (H) or SD 1 Sigma Camera Talk 2 weeks ago
The Gypsy full rez Sigma Camera Talk 2 weeks ago
Fond memories of my SD9 Sigma Camera Talk 2 weeks ago
Rare object Sigma Camera Talk 2 weeks ago
SD15 vs SD1M for Wedding Photography Sigma Camera Talk 2 weeks ago
Trying to make Pentax image look like a Merrill image Sigma Camera Talk 2 weeks ago
Sigma 70 on D7100 Sigma Camera Talk 3 weeks ago
Just an observation with X3F_Extract Sigma Camera Talk 3 weeks ago
M42 Screw Mount lenses on my Sigmas Sigma Camera Talk 3 weeks ago
Are there any other editors that co fill light as well as spp? Sigma Camera Talk 3 weeks ago
Lumix DMC-G1 - An Ergonomic Disaster Panasonic Compact Camera Talk 3 weeks ago
oversharpened and over crispy Sigma Camera Talk 3 weeks ago
Something Odd about -2.0 Sharpness in SPP 5.5.3 Sigma Camera Talk 3 weeks ago
If Quattro can beat this, I am in!!! Sigma Camera Talk 3 weeks ago
x3f tools turns my SD14 into a new camera Sigma Camera Talk 3 weeks ago
SD H Sigma Camera Talk 3 weeks ago