I see so many fabulous BIF images here, and I usually note that the shutter speed is often as fast as 1/2000, even at ISOs as low as 400.
I'm using a Canon 50D (which I just got used) with a 500L f4.5 and a non-reporting 1.4x, so I still have AF.
Even at nearly wide-open apertures, in anything other than blinding light, I can't seem to get anywhere near that fast a shutter speed at anything close to that low an ISO. (Most of the time, I'm lucky to be shooting as fast as 1/800 at ISOs approaching 1000, at or nearly wide open.)
The converter should only cost me 1 stop, so I can't figure out why my techs are so different from so many images here.
What could causing this, and what should I check?







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