J Posthuma

Lives in Netherlands Hengelo, Netherlands
Joined on Feb 6, 2011

Recent activity

Showing:
Forums:

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

Subject Forum Last post
Samyang 800mm Mirror lens Part I Astrophotography Talk Forum 3 weeks ago
Monitor search for Dell U2415 alike with VGA connection - I'm at a loss PC Talk 4 months ago
Dance show photos - K3/K3ii (part 1) Pentax SLR Talk 5 months ago
CHCH in fog at night. Pentax SLR Talk 9 months ago
Star photography and the moon? Pentax SLR Talk 9 months ago
Daylight moon. 10x stack w Registax. 1200mm Pentax SLR Talk 10 months ago
Open Mouth Robin (4 imgs) Pentax SLR Talk 11 months ago
K-1: Some spherical panos Pentax SLR Talk 11 months ago
K-1 & my budget lenses - with samples Pentax SLR Talk Jul 24, 2016
My New Zealand Photobook Pentax SLR Talk Jul 7, 2016
Superimposing K-1 viewfinder details and/or AF points Pentax SLR Talk Jul 5, 2016
Panorama Stitch of the Milky Way with the K-1 + Samyang 24mm f/1.4 Pentax SLR Talk Jul 2, 2016
Showing some love for the K3 Pentax SLR Talk Jun 28, 2016
Dancing water Pentax SLR Talk Jun 27, 2016
Just receive my K-1 an 28-105mm Pentax SLR Talk Jun 26, 2016
Tooting my own horn Pentax SLR Talk Jun 26, 2016
Blue fronted-Redstart . Pentax SLR Talk Jun 25, 2016
The real thing K-S2 APS-C FF photosession! Pentax SLR Talk Jun 24, 2016
KS2 on the streets Pentax SLR Talk Jun 21, 2016
K-1 Pixel Shifted the Mesa Arch at Canyonland Pentax SLR Talk Jun 16, 2016
Some Colours Pentax SLR Talk Jun 16, 2016
Getting to know my K1 under the stars... Pentax SLR Talk Jun 15, 2016
Photos of "Power and Speed". I love my K-1! Pentax SLR Talk Jun 14, 2016
K1 - What next? Pentax SLR Talk Jun 14, 2016
My Experience with the K-1 in Yakushima (in heavy rain) Pentax SLR Talk Jun 14, 2016
Germanium during thunderstorm with K glass Pentax SLR Talk Jun 12, 2016
Pixel Shifted Old hospital..... Pentax SLR Talk Jun 12, 2016
Response to Noel2's astro challenge! And a few other astro pics. Pentax SLR Talk Jun 12, 2016
My K1 goes to the dentist..... Pentax SLR Talk Jun 12, 2016
Tiger B/F . Pentax SLR Talk Jun 12, 2016
K1 AFC Rodeo Sequence Pentax SLR Talk Jun 11, 2016
A few more misc K1 shots Pentax SLR Talk Jun 11, 2016
Bravo Astrotracer Pentax SLR Talk Jun 10, 2016
First Day with K1 (finally) Pentax SLR Talk Jun 10, 2016
Let me sit right ! Pentax SLR Talk Jun 10, 2016
My latest New Zealand Timelapse Pentax SLR Talk Jun 10, 2016
IR Photography with Pentax K-01 Pentax SLR Talk Jun 9, 2016
K-1 at Capital Reef National Pentax SLR Talk Jun 9, 2016
Pentax Images Pentax SLR Talk Jun 9, 2016
K-1 at the Amazing Lower Antelop Canyon Pentax SLR Talk Jun 9, 2016
AF Tracking Swallows In Flight Part 2 Pentax SLR Talk Jun 8, 2016
Duet ! Pentax SLR Talk Jun 8, 2016
K-50 and DA50-135/2.8 go Heavy Metal shooting // Pentax SLR Talk Jun 8, 2016
K-1 Pixel Shifted the Horseshoe Bend Pentax SLR Talk Jun 8, 2016
K-1 Down in the Bryce Canyon Pentax SLR Talk Jun 8, 2016
Recreation on Lake Powell Pentax SLR Talk Jun 7, 2016
AF Tracking Swallows In Flight Part 1 Pentax SLR Talk Jun 7, 2016
K-1 tackles dragons Pentax SLR Talk Jun 7, 2016
More Terns For Your Enjoyment (8 photos) Pentax SLR Talk Jun 7, 2016
K-1 + A28mm f2 Pentax SLR Talk Jun 7, 2016