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
Sigma SD Quattro (emulation) Vs Medium Format Sigma Camera Talk This minute
K3II pixel shift resolution thoughts Pentax SLR Talk 3 hours ago
A Quattro Question Sigma Camera Talk 4 hours ago
Bands in the sky from highlight recovery DP1M Sigma Camera Talk 13 hours ago
When will we get the K3iis Pentax SLR Talk 1 day ago
A few DP3Q from my trip Sigma Camera Talk 2 days ago
Panorama over Stockholm city using ICE Pentax SLR Talk 2 days ago
Exposure and pixel shifting Pentax SLR Talk 2 days ago
studio photo dp3 merrill Sigma Camera Talk 3 days ago
X3F file types - DPn versus DPnS - same or not? Sigma Camera Talk 3 days ago
How big will the Pentax K3 II pictures be when using the new High Resolution mode? Pentax SLR Talk 4 days ago
Show me YOUR "lonely benches" II Pentax SLR Talk 4 days ago
the dreaming hills Sigma Camera Talk 6 days ago
Can someone explain "electronic shutter" on K-3 II pixel shift resolution? Pentax SLR Talk 6 days ago
Rumor in the making: "All lenses will be upgraded or replaced soon." Pentax SLR Talk 1 week ago
And here is Pentax K-3 II Full Specs, to be announced on April 23th Pentax SLR Talk 1 week ago
Image and detail specs of PENTAX K-3 II Pentax SLR Talk 1 week ago
Pentax K-3 II first leaked image ! Pentax SLR Talk 1 week ago
My First Challenge Pentax SLR Talk 1 week ago
New developments on the FF? Pentax SLR Talk 1 week ago
My 2015 gear set-up for photographing frog Pentax SLR Talk 2 weeks ago
new foveon? Sigma Camera Talk 2 weeks ago
Sigma SD1 and 150-600mm sports splash BTS article. Sigma Camera Talk 2 weeks ago
Iceland in winter Sigma Camera Talk 3 weeks ago
DP3M flare - blowing out highlights? Sigma Camera Talk 3 weeks ago
Can difference be seen on 1080p monitor for X3 Quattro sensor? Sigma Camera Talk 3 weeks ago
New Sony Patent, anyone noticed? Sigma Camera Talk 3 weeks ago
Bass Rock, dp3 quattro Sigma Camera Talk 3 weeks ago
I canceled my Sigma DP0 Quattro pre-order! Sigma Camera Talk 3 weeks ago
List of non-Pentax legacy lenses to pair with K10D Pentax SLR Talk 3 weeks ago
Buachaille Etive Mor with SD1 Merrill and 8-16mm DC. Sigma Camera Talk 3 weeks ago
3 more camera this year Pentax SLR Talk 3 weeks ago
Dynamic Range clarification needed Photographic Science and Technology 3 weeks ago
Using Sigma SA lenses on Nikon Sigma Camera Talk 4 weeks ago
21mm + 40mm Primes v. 20-40mm Zoom Pentax SLR Talk 4 weeks ago
Want to see what a DP2M can do? Sigma Camera Talk 4 weeks ago
Are microFT lenses typically twice as 'sharp' as FF's today? The Manufacturers' take Photographic Science and Technology 4 weeks ago
Pentax K-3 wins over the expensive boys with the richest color rendition Pentax SLR Talk 1 month ago
Tear Down Fun - Optical Low Pass Filter (OLPF) Photographic Science and Technology 1 month ago
Rare Sun-Moon Double Sunset. Sigma Camera Talk 1 month ago
Sigma DP0 Quattro Lens has "Flourite" - what's that?? Sigma Camera Talk 1 month ago
SD1M-A57-40D-SD15-RZ67 Comparison Sigma Camera Talk 1 month ago
No Tokina lenses for Pentax Pentax SLR Talk 2 months ago
Build it and they will come - Warning: squirrel . . . Pentax SLR Talk 2 months ago
What is special about Pentax? Pentax SLR Talk 2 months ago
My first Big Merrill shot Sigma Camera Talk 2 months ago
Pixel pitch vs. resolution sample Pentax SLR Talk 2 months ago
What was your first serious camera? Pentax SLR Talk 2 months ago
DP2 Quattro Examples of architecture photos Sigma Camera Talk 2 months ago
Layer RAW balance: SD1M, SD14, SD9 Sigma Camera Talk 2 months ago