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
Carrying the 100-400 L II Canon SLR Lens Talk 4 days ago
* * Weekly Wildlife Thread March 12th 2017 * * Canon SLR Lens Talk 1 month ago
Upgrade to 100 - 400 II worth it? Canon SLR Lens Talk 1 month ago
* * Weekly Wildlife Thread February 19th 2017 * * Canon SLR Lens Talk 2 months ago
* * Weekly Wildlife Thread January 1st 2017 * * Canon SLR Lens Talk 3 months ago
100-400mm II, just arrived. Canon SLR Lens Talk 4 months ago
Telephoto lens dilemma for 5D MKIV Canon SLR Lens Talk 7 months ago
7d mk2 with 100-400 mk2 Canon EOS 7D / 10D - 80D Talk 7 months ago
* * Weekly Wildlife Thread September 18th 2016 * * Canon SLR Lens Talk 7 months ago
major firmware update for canon 7D mark II expected at Photokina Canon EOS 7D / 10D - 80D Talk 7 months ago
* * Weekly Wildlife Thread August 28th 2016 * * Canon SLR Lens Talk 8 months ago
Requirements for 5D4 Canon EOS-1D / 5D / 6D Talk 8 months ago
* * Weekly Wildlife Thread July 3rd 2016 * * Canon SLR Lens Talk 9 months ago
* * Weekly Wildlife Thread June 26th 2016 * * Canon SLR Lens Talk 9 months ago
* * Weekly Wildlife Thread June 19th 2016 * * Canon SLR Lens Talk 9 months ago
Switch from 400mmL f5.6 to 100-400mmL IS II for Birds ? Canon SLR Lens Talk 10 months ago
* * Weekly Wildlife Thread May 8th 2016 * * Canon SLR Lens Talk 11 months ago
Canon 20d still viable? Canon EOS 7D / 10D - 80D Talk 11 months ago
* * 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
* * Weekly Wildlife Thread February 21st 2016 * * Canon SLR Lens Talk Feb 27, 2016
* * Weekly Wildlife Thread February 7th 2016 * * Canon SLR Lens Talk Feb 12, 2016
* * Weekly Wildlife Thread January 31st 2016 * * Canon SLR Lens Talk Feb 6, 2016
Jungle shot Canon EOS 7D / 10D - 80D Talk Jan 25, 2016
Canon EF24-70 2.8L or 4.0L IS USM Canon SLR Lens Talk Jan 17, 2016
7D Mark I + 100-400L Mark I still going strong for bird photography Canon EOS 7D / 10D - 80D Talk Jan 17, 2016
* * Weekly Wildlife Thread January 10th 2016 * * Canon SLR Lens Talk Jan 14, 2016
* * Weekly Wildlife Thread January 3rd 2016 * * Canon SLR Lens Talk Jan 9, 2016
Canon EF100-400 IS II -- sweet spot in combination with 7D MK II Canon SLR Lens Talk Jan 7, 2016
* * Weekly Wildlife Thread December 20th 2015 * * Canon SLR Lens Talk Jan 2, 2016
400 5.6L for birds - Wide open, or increase ISO? Canon SLR Lens Talk Dec 25, 2015
* * Weekly Wildlife Thread November 29th 2015 * * Canon SLR Lens Talk Dec 7, 2015
* * Weekly Wildlife Thread November 22nd 2015 * * Canon SLR Lens Talk Nov 26, 2015
BIF with 7D2 and 100-400 II Canon EOS 7D / 10D - 80D Talk Nov 25, 2015
* * Weekly Wildlife Thread November 15th 2015 * * Canon SLR Lens Talk Nov 19, 2015
Visiting the Jungfraujoch Eiger & Mönch, recommendations appreciated Canon EOS-1D / 5D / 6D Talk Oct 27, 2015
Does the Canon 24-70 F/2.8 II compare well with primes? Canon SLR Lens Talk Sep 23, 2015
How to carry two cameras? Canon EOS-1D / 5D / 6D Talk Sep 21, 2015
Outdoor sports nature and wildlife lens recommendation Canon SLR Lens Talk Sep 9, 2015
7DMK2 captures Brown Bear Chasing Salmon Canon EOS 7D / 10D - 80D Talk Aug 27, 2015
4 photos from Tanzania - 7D Mark II Canon EOS 7D / 10D - 80D Talk Aug 26, 2015
If you were starting over with Canon Canon EOS-1D / 5D / 6D Talk Aug 22, 2015
EF 100-400mm f/4.5-5.6L IS II vs EF 300mm f/4L IS + Ext. 1.4x III Canon SLR Lens Talk Aug 9, 2015
6/14/2015 Weekly landscape show and tell Canon SLR Lens Talk Jun 22, 2015
Anyone Prefer the Original 100-400? Canon SLR Lens Talk Jun 7, 2015
* * Weekly Wildlife Thread May 31st 2015 * * Canon SLR Lens Talk Jun 6, 2015
70-200 f2.8 II or 100-400 II for Newfoundland? Canon SLR Lens Talk Jun 3, 2015