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.

Recent activity

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

Subject Forum Last post
the sealadder Sigma Camera Talk 26 min ago
The Snake Killer Pentax SLR Talk 5 hours ago
And the winner is.. Sigma Camera Talk 8 hours ago
WHAT IS BEST ADOBE RGB OR sRGB Pentax SLR Talk 1 day ago
DP2 Quattro vs DP2 Merrill vs D800 ... Sigma Camera Talk 3 days ago
2014 Readers' Polls open for voting! Sigma Camera Talk 3 days ago
2014 Readers' Polls open for voting! Pentax SLR Talk 4 days ago
oh jeez no... Pentax SLR Talk 4 days ago
Brief message Sigma Camera Talk 6 days ago
Sony APCS sensor - more info Sigma Camera Talk 6 days ago
Jumpers keep coming ! Pentax SLR Talk 1 week ago
DP1Q - for better edges bring in focus from infinity Sigma Camera Talk 1 week ago
Ready to buy a K3 but need a recommendation on a lense please. Pentax SLR Talk 1 week ago
What are the chances of... Sigma Camera Talk 1 week ago
A total lack of Pentax Fanboys? Pentax SLR Talk 2 weeks ago
Mr.Yamaki interview on Foveon Quattro Sigma Camera Talk 2 weeks ago
Q Looses the 3-D of the M? Sigma Camera Talk 3 weeks ago
Portrait comparison - M vs Q Sigma Camera Talk 3 weeks ago
What do you all think of the 645Z test shot/comparisons? Pentax SLR Talk 3 weeks ago
Is DPQ concept... Sigma Camera Talk 3 weeks ago
Is this becoming a landscape forum? Sigma Camera Talk 3 weeks ago
Is there a full-frame to APS-C converter for Pentax K mount? Pentax SLR Talk 3 weeks ago
Clear night skies - FA77 and DA21 Pentax SLR Talk 4 weeks ago
36x24 DSLR crop sensors *loosing* market share in Europe big time in total and *against APSC* Pentax SLR Talk 1 month ago
DP1Q thread Sigma Camera Talk 1 month ago
nightlake Sigma Camera Talk 1 month ago
New interview with Kazuto Yamaki CEO Sigma Camera Talk 1 month ago
Any update or new rumors on FF? Pentax SLR Talk 1 month ago
Samsung NX1 backlit sensor Pentax SLR Talk 1 month ago
Pentax K-3 Body Quality Pentax SLR Talk 1 month ago
Quattro and AFE Sigma Camera Talk 1 month ago
DxO tests the K-S1 Sensor Pentax SLR Talk 1 month ago
Bells and Whistles . . . How Feature-packed Should Sigma Cameras Be? Sigma Camera Talk 1 month ago
Diffraction and lens resolution Photographic Science and Technology 1 month ago
Surely not Sigma? Sigma Camera Talk 1 month ago
Synergy and Sigma Sigma Camera Talk 1 month ago
Any news about the big plan.... Sigma Camera Talk 1 month ago
the Grianan of Aileach Sigma Camera Talk 1 month ago
Quattro – How many shots per hour? Sigma Camera Talk 1 month ago
X3F Tools 051 Sigma Camera Talk 1 month ago
DP2 Quattro: Edge cases Sigma Camera Talk 1 month ago
Kazuto Yamaki: “We Could Easily Manufacture a Medium Format Foveon Sensor” Sigma Camera Talk 1 month ago
Best First prime lens Pentax SLR Talk 2 months ago
In the need of corner-to-corner sharp 35mm lens Pentax SLR Talk 2 months ago
Walking death Pentax SLR Talk 2 months ago
What's more important for Pentax; FF or Lens lineup? Pentax SLR Talk 2 months ago
Pentax K-S1 marketing flop Pentax SLR Talk 2 months ago
Compatible with all X3 format, SPP 6.1.0 and new DP2 quattro firmware released ! Sigma Camera Talk 2 months ago
Sigma DP2Q color rasterizing problem Sigma Camera Talk 2 months ago
Question for DP Quattro owners - review showing manual mode seems to be a program mode Sigma Camera Talk 2 months ago