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
645z what's the catch? Pentax SLR Talk 29 min ago
F0.95 ??? Photographic Science and Technology 1 hour ago
Two photos with one shutter release Photographic Science and Technology 3 hours ago
Congratulations to Xiaomao Pentax SLR Talk 9 hours ago
Question About Medium Format... Pentax SLR Talk 10 hours ago
Nocticron Transmission = Poor. Micro Four Thirds Talk 13 hours ago
Questions about sensor amplification Photographic Science and Technology 16 hours ago
¿When will then new quattro be released? wait or get a merrill Sigma Camera Talk 1 day ago
Verifying X3 Planes Sigma Camera Talk 1 day ago
A couple Q Questions Sigma Camera Talk 1 day ago
misty morning road, middle of nowhere in the Hebrides Sigma Camera Talk 1 day ago
First Occurence of "Exposure Compensation"? Photographic Science and Technology 2 days ago
DP Merrill Photographic Dynamic Range (PDR) Sigma Camera Talk 3 days ago
SD9 Dark Frame Investigation Sigma Camera Talk 3 days ago
Basel Messe Sigma Camera Talk 4 days ago
DP2M versus the SD1M and the 18-35 mm lens Sigma Camera Talk 4 days ago
Foveon Sensor Layer Noise - are they really different? Photographic Science and Technology 4 days ago
EM1 shuter shock measurment Micro Four Thirds Talk 5 days ago
Impact of OS on image quality Sigma Camera Talk 5 days ago
Great post measuring shutter shock Sigma Camera Talk 1 week ago
24,000 Clicks on my K3, and still no Mirror Flop. What am i doing wrong? Pentax SLR Talk 1 week ago
K3 owners: Have you experienced a significant amount of mirror flop? Pentax SLR Talk 1 week ago
Mirrorless Mount Compability? Sony Alpha/NEX E-mount Talk 1 week ago
K-3 review now published Pentax SLR Talk 1 week ago
Kazuto-sama interview - part II Sigma Camera Talk 1 week ago
Analog Front End (AFE) versus Programmable Gain Amplifier (PGA) Sigma Camera Talk 1 week ago
Stupid question? Sigma Camera Talk 1 week ago
Ughhh. Sigma Camera Talk 1 week ago
Raw Saturation Level Sigma Camera Talk 1 week ago
12 bit and 14 bit Sigma Camera Talk 1 week ago
Aperture stuck in stopped-down position after exposure - Samyang 85mm Pentax SLR Talk 1 week ago
What XX% will it be? Pentax SLR Talk 1 week ago
Photoshop/LR support of Merrill cameras -- if you care Sigma Camera Talk 1 week ago
Another interesting interview with Yamaki-sama Sigma Camera Talk 1 week ago
Dear Pentax, please buy the 12.2MP FF chip from Sony use it in the K1 Pentax SLR Talk 1 week ago
SD1 and yellow cast Sigma Camera Talk 2 weeks ago
FA Limiteds — Rest in peace Pentax SLR Talk 2 weeks ago
Pentax K3 Pentax SLR Talk 2 weeks ago
Cellist shot with the K-01 Pentax SLR Talk 2 weeks ago
Why no DSLR with on-sensor PDAF and optical viewfinder? Photographic Science and Technology 3 weeks ago
Sony sensor tech - Curved sensor? Pentax SLR Talk 3 weeks ago
Are you interested in dynamic range measurements on Sigma cameras? Sigma Camera Talk 3 weeks ago
Z Coming soon. Hmmmm.... Pentax SLR Talk 3 weeks ago
Is DPR getting a DP2 Quattro to play with? Sigma Camera Talk 3 weeks ago
SONY to release 2 cameras with foveon-like sensor Sigma Camera Talk 3 weeks ago
Why is max flash sync speed so low on the K-3? Pentax SLR Talk 3 weeks ago
k3 (awesome camera) vs dp3m (thanks Heie2) Pentax SLR Talk 3 weeks ago
You live where? Pentax SLR Talk 3 weeks ago
So April Fools' day is coming, joy. Pentax SLR Talk 3 weeks ago
PanaLeica paying tribute to Pentax Pentax SLR Talk 3 weeks ago