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
SD-Q and monocrome Sigma Camera Talk 4 min ago
sd Quattro samples Sigma Camera Talk 1 hour ago
The New Hasselblad - Mirrorless Medium Format Sigma Camera Talk 10 hours ago
If Quattro can beat this, I am in!!! Sigma Camera Talk 12 hours ago
x3f tools turns my SD14 into a new camera Sigma Camera Talk 1 day ago
sd14 - North Stradbroke Is. (Aust) Sigma Camera Talk 1 day ago
Interesting Crepuscular Rays Today.... Sigma Camera Talk 1 day ago
Common misconception with noise, pixel size and sensor size Photographic Science and Technology 1 day ago
DP2Q high vs low res Sigma Camera Talk 3 days ago
Infrared science Photographic Science and Technology 3 days ago
Detail Contrast: Low vs. High Resolution. Sigma Camera Talk 3 days ago
A little Merrill vs Quattro experiment Sigma Camera Talk 3 days ago
SD1 Merrill with 17-50mm EX DC OS HMS as good as DP Merrils? Sigma Camera Talk 3 days ago
Amateur Photographer Interview with Sigma CEO Sigma Camera Talk 3 days ago
SD1 tips Sigma Camera Talk 4 days ago
Is the new SD Q and H line neither "fish nor fowl" Sigma Camera Talk 4 days ago
70-200mm lens hood marking Sigma Camera Talk 5 days ago
SPP Monochrome watch out! Sigma Camera Talk 6 days ago
What is the threshold... Sigma Camera Talk 6 days ago
A K-1 pixel shift test Sigma Camera Talk 6 days ago
SD Quattro?? Sigma Camera Talk 6 days ago
Is Sigma still worth the hassle? Sigma Camera Talk 1 week ago
What's with the equivlence issue all the time ? Sigma Camera Talk 1 week ago
Calla Lily Architecture Sigma Camera Talk 1 week ago
Merrill "base ISO" revisited Sigma Camera Talk 1 week ago
Impressionistic scene and mood with SD1 M Sigma Camera Talk 2 weeks ago
Does mirrorless image quality differ from DSLR, and better? Photographic Science and Technology 2 weeks ago
Analogue Front End Sigma Camera Talk 2 weeks ago
Sigma dp2 or...? Sigma Camera Talk 2 weeks ago
which wide angle for the new sd quattro and H ? Sigma Camera Talk 3 weeks ago
Challenge: Try your best with ISO 800 shots from DP0 Quattro or SD1 Sigma Camera Talk 3 weeks ago
A Suggestion For Sigma... Sigma Camera Talk 3 weeks ago
Speaking of Lenses Sigma Camera Talk 3 weeks ago
Anyone sick of vague Q vs M quality statements? Sigma Camera Talk 3 weeks ago
Hoya X1 green filter on the SD1M Sigma Camera Talk 3 weeks ago
Sigma Cams, the Bond Actor Syndrome, My DPM Cotton Anniversary Sigma Camera Talk 3 weeks ago
Sigma 30mm. 1.4 @F4 Sigma Camera Talk 3 weeks ago
Stirring the Hornet's Nest - 1 Sigma Camera Talk 3 weeks ago
Is Software Interpolation A Valid Comparison Method? Sigma Camera Talk 3 weeks ago
My DP2Q - Seller's Remorse Sigma Camera Talk 3 weeks ago
sd Quattro Sensor Pixel count. Sigma Camera Talk 4 weeks ago
What do you see, the subject or the image? Sigma Camera Talk 4 weeks ago
Trying to understand tonal vs dynamic range Photographic Science and Technology 4 weeks ago
Stirring the Hornet's Nest Sigma Camera Talk 4 weeks ago
8,000-10,000 shots per image! Macro and Still Life Photography 4 weeks ago
Way to Blue Sigma Camera Talk 1 month ago
Zooming in/out - where is the resampling done? Photographic Science and Technology 1 month ago
DP Quattro, 30/2,8 a good compromise or which "lens" should i get ? Sigma Camera Talk 1 month ago
Colour Infrared with Foveon Sensors. A new look. Sigma Camera Talk 1 month ago
Which combo should I get? Sigma Camera Talk 1 month ago