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
* * Weekly Wildlife Thread May 8th 2016 * * Canon SLR Lens Talk 1 week ago
Canon 20d still viable? Canon EOS 7D / 10D - 80D Talk 1 week ago
* * Weekly Wildlife Thread April 10th 2016 * * Canon SLR Lens Talk 1 month ago
Travel Lens Options for Yellowstone Canon SLR Lens Talk 2 months ago
which telephoto lens ? Canon SLR Lens Talk 2 months ago
Upgrade from old Sigma 70-300, 300mm F4 IS or 400mm F5.6 or 100-400mm I/II? Canon SLR Lens Talk 2 months ago
Insurance Rates for Camera Equipment Canon SLR Lens Talk 2 months ago
* * Weekly Wildlife Thread February 21st 2016 * * Canon SLR Lens Talk 3 months ago
* * Weekly Wildlife Thread February 7th 2016 * * Canon SLR Lens Talk 3 months ago
* * Weekly Wildlife Thread January 31st 2016 * * Canon SLR Lens Talk 3 months ago
Jungle shot Canon EOS 7D / 10D - 80D Talk 4 months ago
Canon EF24-70 2.8L or 4.0L IS USM Canon SLR Lens Talk 4 months ago
7D Mark I + 100-400L Mark I still going strong for bird photography Canon EOS 7D / 10D - 80D Talk 4 months ago
* * Weekly Wildlife Thread January 10th 2016 * * Canon SLR Lens Talk 4 months ago
* * Weekly Wildlife Thread January 3rd 2016 * * Canon SLR Lens Talk 4 months ago
Canon EF100-400 IS II -- sweet spot in combination with 7D MK II Canon SLR Lens Talk 4 months ago
* * Weekly Wildlife Thread December 20th 2015 * * Canon SLR Lens Talk 4 months ago
400 5.6L for birds - Wide open, or increase ISO? Canon SLR Lens Talk 5 months ago
* * Weekly Wildlife Thread November 29th 2015 * * Canon SLR Lens Talk 5 months ago
* * Weekly Wildlife Thread November 22nd 2015 * * Canon SLR Lens Talk 6 months ago
BIF with 7D2 and 100-400 II Canon EOS 7D / 10D - 80D Talk 6 months ago
* * Weekly Wildlife Thread November 15th 2015 * * Canon SLR Lens Talk 6 months ago
Visiting the Jungfraujoch Eiger & Mönch, recommendations appreciated Canon EOS-1D / 5D / 6D Talk 7 months ago
Does the Canon 24-70 F/2.8 II compare well with primes? Canon SLR Lens Talk 8 months ago
How to carry two cameras? Canon EOS-1D / 5D / 6D Talk 8 months ago
Outdoor sports nature and wildlife lens recommendation Canon SLR Lens Talk 8 months ago
7DMK2 captures Brown Bear Chasing Salmon Canon EOS 7D / 10D - 80D Talk 9 months ago
4 photos from Tanzania - 7D Mark II Canon EOS 7D / 10D - 80D Talk 9 months ago
If you were starting over with Canon Canon EOS-1D / 5D / 6D Talk 9 months ago
EF 100-400mm f/4.5-5.6L IS II vs EF 300mm f/4L IS + Ext. 1.4x III Canon SLR Lens Talk 9 months ago
6/14/2015 Weekly landscape show and tell Canon SLR Lens Talk 11 months ago
Anyone Prefer the Original 100-400? Canon SLR Lens Talk 11 months ago
* * Weekly Wildlife Thread May 31st 2015 * * Canon SLR Lens Talk 11 months ago
70-200 f2.8 II or 100-400 II for Newfoundland? Canon SLR Lens Talk 11 months ago
* * Weekly Wildlife Thread May 24th 2015 * * Canon SLR Lens Talk May 28, 2015
* * Weekly Wildlife Thread May 17th 2015 * * Canon SLR Lens Talk May 25, 2015
Got Tips? -- New 100-400 Mk II & 7DM2 Canon SLR Lens Talk May 19, 2015
Any tips to use the Canon EF 400mm f/5.6L USM? Sharp enough for cropping? Canon SLR Lens Talk May 17, 2015
Heading to Yellowstone...reason enough for a new lens! Canon SLR Lens Talk May 11, 2015
Canon 70-200+2x converter or Canon EF 100-400mm f/4.5-5.6L II USM? Canon SLR Lens Talk May 10, 2015
* * Weekly Wildlife Thread May 3rd 2015 * * Canon SLR Lens Talk May 9, 2015
Thoughts on switching to 7dm2 for avian photography Canon EOS 7D / 10D - 80D Talk May 3, 2015
* * Weekly Wildlife Thread April 26th 2015 * * Canon SLR Lens Talk May 1, 2015
New 100-400 II Canon SLR Lens Talk Apr 28, 2015
does anyone actually like the canon 50mm 1.4? Canon SLR Lens Talk Apr 7, 2015
24-70 f/2.8 Love???? Canon SLR Lens Talk Apr 5, 2015
Carrying the 100-400 II Canon SLR Lens Talk Apr 2, 2015
Canon EF 100-400mm f/4.5-5.6L IS II - Should I Upgrade? Canon SLR Lens Talk Mar 30, 2015
MFA with the combo EOS7II and 100-400II Canon SLR Lens Talk Mar 28, 2015
New Canon 100-400 II Canon SLR Lens Talk Mar 26, 2015