Canon 600mm lens tripod mounted - IS on or off?

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Steve
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Like the title says, any of you long lens owners care to share your preferred options on a tripod?

If I'm panning for birds in flight I always have IS off, but what's best for a perched bird say, I have read that the 600mm IS is "tripod sensing" & compensates, in real life what's best?

All advice gratefully received!

Steve
 
IS on, as it apparently helps to combat vibrations induced by mirror-slap. It's also worth laying your left hand along the lens to further dampen any oscillations.

Bob
 
general rule for tripoding is image stabilizing off- my 50-500mm recommends image stabilizer off for tripods so providing the tripod is sturdy your 600 should be the same...
 
IS on, as it apparently helps to combat vibrations induced by mirror-slap. It's also worth laying your left hand along the lens to further dampen any oscillations.

Bob

:agree:
For a big Canon prime lens.
 
So 2 - 1 for off.

I'm siding with Bob's advice here, I do use a hand along the lens, Canon say the lens will sense it's tripod mounted & turn IS off.

@Tezmed, I have a Sigma 150-500 & think the Canon IS works differently, reckon I need to get out in the field a bit more & try either option.
 
So 2 - 1 for off.

I'm siding with Bob's advice here, I do use a hand along the lens, Canon say the lens will sense it's tripod mounted & turn IS off.

It's not actually my advice, it comes courtesy of Canon's North American Technical Director.....

However, there is a group of high-end Canon lenses that actually does compensate for mirror slap during tripod use. This list currently includes the EF200mm f/2L IS USM, EF300mm f/2.8L IS USM, EF400mm f/2.8L IS USM, EF400mm f/4 DO IS USM, EF500mm f/4L IS USM, EF600mm f/4L IS USM, and EF800mm f/5.6L IS USM.


Bob
 
re panning: I was following a female marsh harrier & she was so erratic I just left IS off as the change of direction was so frequent plus her circling flight made me feel mode 2 might not be the best option.

What would you guys have used instead?
 
Mode 3 is rather useful.... but I don't think you have that on a 600mm ;) :D
 
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