Sartor said:I’m just a little concerned about the missing IS. How fast shutter speed is required to get rid of shaken images?
IS is no substitute for fast shutter speeds on tele lenses (might work better on mid range zooms). I just have learned this from my 70-300L, and thus have to agree: IS is very convenient, but overrated.
IS is good for close framing (less crop = less noise) and does help you to take ok pictures with long exposure times, but for really sharp pictures you still have to apply the good ol' formula: exposure time = 1 / (lens focal length * crop factor). For a 200mm prime, you should _at_least_ expose with 1/320s on a crop body, for some safety margin and 100% crops on a 18mp sensor I'd strongly advise 1/500s to even less. If your subjects moves like a racecar, you have to go even lower of course.
Last not least: a fast tele lens is no general fix for sensor noise due to the thin depth of field - at 200mm and f2.8, you'll probably be at f4-f5.6 anyway for most shots. I have this comparison because I used to shoot with my 100/2.8 and now have the 70-300/4-5.6.
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