boaboa

As previously stated, a 500 f4 is VERY expensive but you can still get decent results with other lenses.  Sigma and Tamron make lenses that will work quite well if you get in the field and...

Thank you, I was fortunate this one did not fly away when I stopped to take the picture.

Taken at Anahuac National Wildlife Refuge.

 Reddish Egret (Immature) American Avocet

Nice set and it looks like both lenses worked out well. RMNP is one of my favorite parks.

If you have a ballhead that accepts Arca-Swiss quick release plates the Induro GHBA and Wimberly Sidekick are a good choices. I have the Induro GHBA that I use with a Giottos MH1300 tripod head and...

Beautiful Images...ALL of them!