[pure-silver] Re: camera and lens took a fall.
- From: Dana Myers <dana.myers@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Wed, 4 Mar 2020 09:19:43 -0800
On 3/4/2020 8:55 AM, mark@xxxxxxxxxxxxxxxxxx wrote:
Question How closely are these things calibrated? No broken glass. No nicks that I can see right away. No lens cover on it
when it fell, but did have a UV filter on it. Could this have knocked something out of calibration so that it needs to get
checked? Mainly worried about the auto focus. Is it possible for the electronics to think its in focus at a given point, when
it isn't? Never really understood how much of the auto focus system is in the body, and how much is in the lens. The body is a
Canon 50D which is at the end of its life cycle or past it anyway. The lens is what I hoped would last the rest of my
photographic days.
[ Ouch, L-glass. ]
My immediate concern would be the focusing motor is broken - if it still
focuses, that's a big thing. It also means the center focus will probably be
OK at least (because it's in a feedback loop). Edge sharpness? No idea,
but I suspect if the motor's OK, the lens is OK. Perhaps a few test frames
will reassure you.
OT:
EOS 50D! I have a 20D, 50D and 80D (I'd loaned the 20D to my daughter
and figured I'd never see it again, but she brought it back after she got a
DSLR of her own). After using the 80D for a while, I recently used the 50D
and could not believe how clunky and ancient it felt LOL.
Good luck,
Dana
(K6JQ for the hams)
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