AF Speed Comparison
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you should put the lens cap on and press the shutter release half was to see the lens focus from near to infinity and back in order to get an accurate measure of the focus speed of the lens.
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@kaivanfreak unless youre shooting wildlife in the middle of the day... with a minimum f stop of 4.5 and a fast shutter speed youre shots are gonna be dark. but then youd have to bump up your iso and depending on the camera youre going to have dark grainy shots? i really dont see a good use of this lens.
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@KevinEndow1993 why? i got on and its a great. and cost the half of canons EF 100-400
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the sigma 120-400 f4.5-5.6 looks like a huge waste of money
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@thetttttttttttt Hardly a bank breaker!!! lol
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@VenonnFang i lol'd.
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70-30 is slow
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@VenonnFang And in manual focus?
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@haloavenger No that is only going to make the lens hunt and the lens will behave differently hunting compared to focusing on an object. It goes slower to make it easyer to find the target because the camera thinks its in low light.
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You're supposed to put the lens cap on to focus it
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thetttttttttttt 3 years ago 7
IS means Image stabilization, what does that have to do with a rotating front element?
VenonnFang 2 years ago 4