H2ODoctor

Lives in United States Los Angeles, CA, United States
Works as a Chemical Engineer
Joined on Jan 23, 2010

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Subject Forum Last post
Canon 100-400mm L IS MkII - 3 Years Later Canon SLR Lens Talk 7 hours ago
Would you get a 100-400 II (& 1.4 III)? Canon SLR Lens Talk 3 days ago
Can i see your butterlfy pics?????? Canon SLR Lens Talk 4 days ago
Canon, what lens past the 100-400II would your purchase next? Canon SLR Lens Talk 6 days ago
* * Weekly Wildlife Thread 6/10/2018 * * Canon SLR Lens Talk 1 week ago
Will Canon also release an affordable superzoom ? Canon SLR Lens Talk 1 week ago
Image quality of 5D4+100-400II+1.4x iii Canon SLR Lens Talk 2 weeks ago
Canon 7DIII in 2019 do we need a Firmware update? Canon EOS 7D / 10D - 80D Talk 3 weeks ago
Canon ef100-400 vs 400 f5.6 for birds in flight Canon SLR Lens Talk 1 month ago
IQ of 400 f5.6 + 1.4 vs Sig / Tam 150-600's ? Canon SLR Lens Talk 2 months ago
100-400mm II: one of Canon's best lenses ever Canon SLR Lens Talk 2 months ago
* * Weekly Wildlife Thread 4/15/2018 * * Canon SLR Lens Talk 2 months ago
Thoughts on Canon 400mm 5.6L Canon SLR Lens Talk 3 months ago
* * Weekly Wildlife Thread 3/25/2018 * * Canon SLR Lens Talk 3 months ago
* * Weekly Wildlife Thread 3/11/2018 * * Canon SLR Lens Talk 3 months ago
My Dream Birding Lense Canon SLR Lens Talk 4 months ago
The pickof Costa Rican birds Micro Four Thirds Talk 4 months ago
* * Weekly Wildlife Thread 12/17/2017 * * Canon SLR Lens Talk 6 months ago
* * Weekly Wildlife Thread 12/10/2017 * * Canon SLR Lens Talk 6 months ago
100-400 ii Review Canon SLR Lens Talk 7 months ago
Bird Photographer with Canon 100-400 II Canon SLR Lens Talk 9 months ago
* * Weekly Wildlife Thread August 20th 2017 * * Canon SLR Lens Talk 10 months ago
Sharpness at 400mm Canon SLR Lens Talk 10 months ago
* * Weekly Wildlife Thread June 18th 2017 * * Canon SLR Lens Talk Jun 22, 2017
A good strap for 100-400L2? Canon SLR Lens Talk Jun 8, 2017
* * Weekly Wildlife Thread May 28th 2017 * * Canon SLR Lens Talk Jun 2, 2017
MFD with 100-400 II plus 1.4X III Canon SLR Lens Talk May 4, 2017
Carrying the 100-400 L II Canon SLR Lens Talk Apr 28, 2017
* * Weekly Wildlife Thread March 12th 2017 * * Canon SLR Lens Talk Mar 20, 2017
Upgrade to 100 - 400 II worth it? Canon SLR Lens Talk Mar 13, 2017
* * Weekly Wildlife Thread February 19th 2017 * * Canon SLR Lens Talk Feb 27, 2017
* * Weekly Wildlife Thread January 1st 2017 * * Canon SLR Lens Talk Jan 5, 2017
100-400mm II, just arrived. Canon SLR Lens Talk Dec 18, 2016
Telephoto lens dilemma for 5D MKIV Canon SLR Lens Talk Sep 29, 2016
7d mk2 with 100-400 mk2 Canon EOS 7D / 10D - 80D Talk Sep 27, 2016
* * Weekly Wildlife Thread September 18th 2016 * * Canon SLR Lens Talk Sep 21, 2016
major firmware update for canon 7D mark II expected at Photokina Canon EOS 7D / 10D - 80D Talk Sep 2, 2016
* * Weekly Wildlife Thread August 28th 2016 * * Canon SLR Lens Talk Aug 31, 2016
Requirements for 5D4 Canon EOS-1D / 5D / 6D Talk Aug 18, 2016
* * Weekly Wildlife Thread July 3rd 2016 * * Canon SLR Lens Talk Jul 10, 2016
* * Weekly Wildlife Thread June 26th 2016 * * Canon SLR Lens Talk Jul 6, 2016
* * Weekly Wildlife Thread June 19th 2016 * * Canon SLR Lens Talk Jul 2, 2016
Switch from 400mmL f5.6 to 100-400mmL IS II for Birds ? Canon SLR Lens Talk Jun 24, 2016
* * Weekly Wildlife Thread May 8th 2016 * * Canon SLR Lens Talk May 15, 2016
Canon 20d still viable? Canon EOS 7D / 10D - 80D Talk May 14, 2016
* * Weekly Wildlife Thread April 10th 2016 * * Canon SLR Lens Talk Apr 17, 2016
Travel Lens Options for Yellowstone Canon SLR Lens Talk Mar 19, 2016
which telephoto lens ? Canon SLR Lens Talk Mar 18, 2016
Upgrade from old Sigma 70-300, 300mm F4 IS or 400mm F5.6 or 100-400mm I/II? Canon SLR Lens Talk Mar 16, 2016
Insurance Rates for Camera Equipment Canon SLR Lens Talk Mar 8, 2016