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
I converted a Pentax 50-135mm SDM to screw drive. Pentax SLR Talk 6 hours ago
Zeiss ZK Pentax Mount not coming back anytime soon... Pentax SLR Talk 7 hours ago
Correcting lens decentration with IBIS Pentax SLR Talk 16 hours ago
How to take multiple exposures for a panorama with a K-3 or K-1 Pentax SLR Talk 22 hours ago
Who is not (that ) happy with his K1? Pentax SLR Talk 1 day ago
Pentax 560mm f/5.6 lens Pentax SLR Talk 1 day ago
K-1 and a Least Sandpiper Pentax SLR Talk 2 days ago
Will the promise of better focusing with a mirrorless Q be a reality? Sigma Camera Talk 2 days ago
Why no EVF in Pentax/Ricoh cameras? Pentax SLR Talk 2 days ago
Barry Pearson's K-1 Pentax SLR Talk 2 days ago
Why I Still Love My SD10 Sigma Camera Talk 3 days ago
Soft K-1 test images, Piccure+ Pentax SLR Talk 3 days ago
little landscapes Sigma Camera Talk 4 days ago
What will be next pro APS-C Pentax SLR Talk 4 days ago
Sigma Art 18-35mm F1.8 DC apsc on K-1? Pentax SLR Talk 5 days ago
K-1 and the Sigma 24mm F1.8 Pentax SLR Talk 6 days ago
What's next after the K1? Pentax SLR Talk 6 days ago
Pentax K3 II, Pixel shift close-up...wow! Pentax SLR Talk 6 days ago
Hyperfocal distance Pentax SLR Talk 1 week ago
I guess i ran out of ultra wide lens options. Pentax SLR Talk 1 week ago
K-1 150-450 & TC Pentax SLR Talk 1 week ago
K-1 Performance numbers Pentax SLR Talk 1 week ago
Berlin april 2016 - The Fab Four's Pentax SLR Talk 1 week ago
K-1 and Seagulls in Action (10 Photos) Pentax SLR Talk 1 week ago
Russian, M42, Takumar -- any good choices for FF? Pentax SLR Talk 1 week ago
Sigma lens on K1 *can mark the body* Pentax SLR Talk 1 week ago
Five degree slanted edge or radial slanted edge Photographic Science and Technology 1 week ago
K1 - feeling a slight rotational force Pentax SLR Talk 2 weeks ago
K-1 Bracketing max increment Pentax SLR Talk 2 weeks ago
can you identify this line Pentax SLR Talk 2 weeks ago
Mercury Transit - K5 DA*300 + 1.7AFA Pentax SLR Talk 2 weeks ago
Another Way to fix Merrill "Grittyness" Sigma Camera Talk 3 weeks ago
A series lenses on K-1 Pentax SLR Talk 3 weeks ago
Pentax K-3 vs K-5 - lens mount build quality Pentax SLR Talk 3 weeks ago
K1 in stock Adorama Pentax SLR Talk 3 weeks ago
The size advantage Pentax SLR Talk 3 weeks ago
K-1 findings by Roland Pentax SLR Talk 3 weeks ago
Could not resist Pentax SLR Talk 3 weeks ago
K-1 with Laowa 15mm f/4 Pentax SLR Talk 3 weeks ago
DA primes for FF Pentax K1 - meaning of "Stopped Down"? Pentax SLR Talk 3 weeks ago
Traded up a K-5ii for a K-3. Top 10 improvements. Pentax SLR Talk 3 weeks ago
Any news about K-1? When it comes to the shops? Pentax SLR Talk 3 weeks ago
Lomography Daguerreotype Achromat 64mm for Pentax Pentax SLR Talk 4 weeks ago
K-1 "in-Stock" in Netherlands .. Pentax SLR Talk 4 weeks ago
k-1 timelapse video Pentax SLR Talk 4 weeks ago
Sometimes the DA15Ltd is essential: 22° halo Pentax SLR Talk 4 weeks ago
New to Pentax, K-1 vs K-3II Help Pentax SLR Talk 4 weeks ago
For all those people wanting a simple camera with fewer features Pentax SLR Talk 4 weeks ago
Shooting Gulls..... Pentax SLR Talk 4 weeks ago
K-1: Pixel Shift sample Pentax SLR Talk 4 weeks ago