Roland Karlsson

Roland Karlsson

Lives in Sweden Stockholm, Sweden
Works as a Programmer
Joined on Feb 23, 2002
About me:

Collector of K-mount and M42 stuff. Main camera K-5. Also interested in camera technology, e.g. Foveon. Also interested in computer based image analysis and transforms.

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

Subject Forum Last post
Are we too critical with the Foveon sensor???? Sigma Camera Talk 2 hours ago
What's more important for Pentax; FF or Lens lineup? Pentax SLR Talk 3 hours ago
Sigma DP2Q color rasterizing problem Sigma Camera Talk 9 hours ago
Question for DP Quattro owners - review showing manual mode seems to be a program mode Sigma Camera Talk 22 hours ago
How fast do you make photographs Sigma Camera Talk 1 day ago
Quattro DR - Highlights Sigma Camera Talk 3 days ago
Pop Photo review of DP2 Quattro Sigma Camera Talk 3 days ago
The Falling Leaf Sigma Camera Talk 4 days ago
An interesting observation by Lens Rentals regarding the filter stack Photographic Science and Technology 5 days ago
Going wild for a Pentax FF... Pentax SLR Talk 1 week ago
Have we stopped arguing for fewer pixels? Pentax SLR Talk 1 week ago
3 days to submit photos to quattro challence Sigma Camera Talk 1 week ago
A better way to color Sigma Camera Talk 1 week ago
When will Pentax allow APS-C camera users to set their cameras to FF camera Equiv of 100 ISO? Pentax SLR Talk 1 week ago
Sanity check on dynamic range Photographic Science and Technology 2 weeks ago
trivia, what camera - no peeking Sigma Camera Talk 2 weeks ago
SPP Highlight Recovery and a SD14 test Sigma Camera Talk 2 weeks ago
Printing and framing a volcano Pentax SLR Talk 2 weeks ago
For those that missed Wattah Wattah... Pentax SLR Talk 2 weeks ago
X3F Tools 049 Sigma Camera Talk 2 weeks ago
why are SOME Pentax Users obsessed with FF Pentax SLR Talk 3 weeks ago
For a bit of OT interest, WHO?... Sigma Camera Talk 3 weeks ago
K-5/18-135 WR - Why The Dark Corners? Pentax SLR Talk 3 weeks ago
Full frame camera Pentax SLR Talk 3 weeks ago
Funny Sigma Camera Talk 3 weeks ago
FF - at a turning point for Pentax. Pentax SLR Talk 3 weeks ago
Interesting new sensor from Samsung in NX1 Photographic Science and Technology 3 weeks ago
Please tell me these are birds Sigma Camera Talk 3 weeks ago
Adobe DNG 'Linear Raw' Sigma Camera Talk 3 weeks ago
Quattro, micro contrast and portraits with SPP 6.0.6 Sigma Camera Talk 4 weeks ago
Lula at Photokina Sigma Camera Talk 4 weeks ago
Second Part Of DP2M Sigma Camera Talk 4 weeks ago
A few casual B&W shots from a late afternoon walk Sigma Camera Talk 4 weeks ago
A photo competition taylor-made for Foveon Sigma Camera Talk 1 month ago
A must watch this guy is great!! Sigma Camera Talk 1 month ago
Sigma FF Killer? Sigma Camera Talk 1 month ago
Out of Camera Merrill JPEGs Sigma Camera Talk 1 month ago
OT sort of -- Mitten and Tree Sigma Camera Talk 1 month ago
blown highlights or badly processed or both? Sigma Camera Talk 1 month ago
I like SPP... Sigma Camera Talk 1 month ago
Quattro: why does blue channel workflow in BW no longer work? Sigma Camera Talk 1 month ago
My favourite houses Sigma Camera Talk 1 month ago
Sigma's Dilemmak Sigma Camera Talk 1 month ago
Two crops of the same image Sigma Camera Talk 1 month ago
while we are at it...Film vs Foveon Sigma Camera Talk 1 month ago
CAMF data format, who did know it? Sigma Camera Talk 1 month ago
Review of Sigma DP2Q Sigma Camera Talk 1 month ago
lame review of the Q by apparent ignoramus Sigma Camera Talk 1 month ago
SPP 6.0.6 released~~~ Sigma Camera Talk 1 month ago
Another bad review of the Quattro Sigma Camera Talk 1 month ago