Originally posted by rdrum76 I just got a SMC 500mm f4.5 on a tripod which I am learning to deal with its size and manual issues, but could you hand-hold a DA* 400 f4; what weight could that be?
A 400/4 would be lighter than your 500/4.5. Likely around 2.5 - 3 kg. (And also shorter).
The user Marc Langille, from this site, carries his FA* 300/2.8 on a monopod, when he is out chasing wildlife in the forests.
A 400/4 would weight the same, so monopod or bean bag would be recommendable.
This Canon user is pretty wild. He handholds 600/4 ! :
He is a lot of fun, and has great advise at DPr.
His stunning portfolio matches his lens line-up, so he is no rookie
http://www.pbase.com/dadas115/wildlife
Robert N. Clark has the superb site :
Clarkvision.com home
He followed a brown bear cautiously, for an hour, two days in a row at Yellowstone National Park taking hundreds of pictures. This was done with 500 mm f/4 IS lens +1.4x TC on a Canon Eos 10D. (1120 mm equivalent focal length on 35mm)
ClarkVision Photography Bear
Stamina, will and condition determine what is possible. Depends on how bad you want the photos, and what type of gear you want to have at your disposal when the opportunity arises. (If you're out taking pictures at dusk or dawn, you might need the wider aperture, for faster shutterspeed).
Marc Langille walks a long way, with camera on monopod over his shoulder. But he used to do some extreme sport, so used to carry big canoes a long way as well
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