Joe Barnhart

Joe Barnhart

Lives in United States Santa Clara, CA, United States
Works as a Software Engineer
Joined on Mar 22, 2002
About me:

Pentax K20D
Pentax K10D
Pentax *ist DS
Pentax Zx-5n
Pentax ME
Honeywell Spotmatic IIa
Pentax DA 14mm f2.8
Pentax DA 21mm f3.2
Pentax A 28mm f2.8
Pentax FA 28mm f2.8
Pentax DA 35mm macro f2.8
Pentax FA 50mm f1.4
Pentax M 50mm f1.7
Pentax M42 SMC 50mm f1.4
Pentax F 50mm f2.8 macro
Pentax DA 70mm f2.4
Pentax DFA 100mm f2.8 macro
Pentax M 135mm f3.5
Pentax FA 135mm f2.8
Takumar 135mm f2.5
Pentax DA 10-17 f3.5-4.5 Fisheye
Pentax DA 16-45mm f4
Pentax DA* 16-50mm f2.8
Pentax DA 18-55mm
Pentax FA 20-35mm f4
Pentax FA 24-90mm f3.5-4.5
Pentax FA 28-70mm f4
Pentax DA* 50-135mm f2.8
Pentax DA 50-200mm
Pentax FA 80-320mm f4.5-5.6
Tamron XR 28-200 f4.5-6.3
Pentax AF-540FGZ
Pentax AF-500FTZ
Pentax AF-360FGZ (2)

Recent activity

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

Subject Forum Last post
Pentax K-3 Full Frame Rumor Pentax SLR Talk Mar 25, 2013
How to make a K-mount mirrorless tiny Pentax SLR Talk Oct 16, 2012
The heck with AA filters.... what about in body tilt shift? Pentax SLR Talk Oct 3, 2012
Ned Bunnell fired Pentax SLR Talk Sep 17, 2012
Digital Camera World review Pentax SLR Talk Sep 16, 2012
K30 beats all in UK mag test. Pentax SLR Talk Sep 16, 2012
da35ltd - pretty dramatic let down... Pentax SLR Talk Aug 4, 2012
Epiphany idea for sensor shift Pentax SLR Talk Jun 29, 2012
Open Letter to Pentax USA -- Pricing & Marketing Stink Pentax SLR Talk Apr 25, 2012
645D Long Exposure of Seattle Pentax SLR Talk Dec 15, 2011
2717 Seconds, Cathedral Valley, Capitol Reef National Park. Pentax SLR Talk Jun 25, 2011
Does Pentax SR really work @ 600mm and very low shutter speeds? Pentax SLR Talk Jun 8, 2011
dock diving dog Pentax SLR Talk Jun 1, 2011
How to sell K200D and Limited lens collection? Pentax SLR Talk May 31, 2011
Silver K5 Anyone? Pentax SLR Talk Apr 22, 2011
(k-5) dog, portrait, CA, Berkley Pentax SLR Talk Apr 17, 2011
Cleaning mirror and pentaprism on K5 Pentax SLR Talk Apr 16, 2011
Walking through Berlin Pentax SLR Talk Feb 22, 2011
Rugged K-7 Survives Madison Protest Violence (NOT!) Pentax SLR Talk Feb 22, 2011
DA 15mm f4 in singapore? Pentax SLR Talk Feb 21, 2011
Meet Paula at ISO 51.200 - K5 low light shot Pentax SLR Talk Feb 6, 2011
Help! This is Leo and my computer keeps on crashing Pentax SLR Talk Oct 5, 2010
Petronas Towers in Kuala Lumpur Pentax SLR Talk Sep 2, 2010
Infringing our rights...? Sigma Camera Talk Aug 31, 2010
Shots of Singapore from the Marina Bay Sands Skypark (several imgs in reply) Pentax SLR Talk Jul 1, 2010
IMPORTANT!! - New rules for posting photos Pentax SLR Talk Jun 23, 2010
I am not leaving Pentax, neither am I getting the K-x. Pentax SLR Talk Jun 17, 2010
Pentax-D FA 100mm WR f/2.8 Macro Review (Popular Photography) Pentax SLR Talk Jun 11, 2010
This is Absolutely Scary ..... I haven't seen it here yet ....so Pentax SLR Talk May 19, 2010
Pentax K-7 test SR at 500mm Pentax SLR Talk May 19, 2010
beyond 300mm? Pentax SLR Talk May 10, 2010
So long - its been fun. Pentax SLR Talk May 8, 2010
Arctic Dogsledding Assignment..... (IMG in replies) Pentax SLR Talk May 7, 2010
Out and about, how do you protect yourself? Pentax SLR Talk May 7, 2010
DPR-layout ??? Pentax SLR Talk May 5, 2010
Interview with Hiroshi Onoda, manager of Pentax Europe. Pentax SLR Talk May 5, 2010
Have a K-7, getting Nikon D40... Pentax SLR Talk Apr 30, 2010
To wait for a semi-pro full-frame camera or to jump ship ? Pentax SLR Talk Apr 29, 2010
Should I sell the DA 70mm Ltd to get the DFA 100mm Macro WR? Pentax SLR Talk Apr 21, 2010
Anyone with a DA15mm Limited - help please Pentax SLR Talk Apr 20, 2010
Are you considering Utah as a destination? Pentax SLR Talk Apr 20, 2010
Red Bull Air Race Pentax SLR Talk Apr 18, 2010
Something is wrong folks. Pentax SLR Talk Apr 17, 2010
WTF? My K-7 does not do in camera Panoramas Pentax SLR Talk Apr 16, 2010
PZ-1p vs MZ-S ??? Pentax SLR Talk Apr 11, 2010
Who are the clueful ones on this forum? Pentax SLR Talk Apr 10, 2010
Lost all my pictures. Pentax SLR Talk Apr 7, 2010
Pentax Event # 7- Part of Email Pentax SLR Talk Apr 2, 2010
Holy Cow ....My Pentax SLR Talk Apr 1, 2010
K7 Firmware 1.03 SR & ISO Pentax SLR Talk Mar 2, 2010