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Minimum focus distance

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/02/2016 at 17:46
qpalzm View Drop Down
Optics Apprentice
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Is this simply how close you can be to an object where you can actually focus on it?

Does it have any other relevance? 

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/03/2016 at 08:25
oldfortyfive View Drop Down
Optics GrassHopper
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That's about it. Normally it only matters to birders who like to get close.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/03/2016 at 11:43
RifleDude View Drop Down
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Originally posted by qpalzm qpalzm wrote:

Is this simply how close you can be to an object where you can actually focus on it?


Correct. At some point with any optic, an object becomes so close to you that it becomes physically impossible for the optic to mechanically compensate with the focusing lens(es) to bring the object being viewed into sharp focus. This is the min focus distance.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2016 at 20:55
WJC View Drop Down
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Being so new to the forum, I know I should keep my FINGERS shut. However, I like to stir the pot of creative juices AND because of special needs and circumstances, I will mention that Air Frame Alignment Scopes can focus on their own objectives. Of course, that's for the purpose of their own calibration. Still, it's pretty nif
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2016 at 20:57
WJC View Drop Down
Optics Apprentice
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Well, that's the second post that was chopped, today, after being completed and sent. I guess I will be creating in Word from now on.
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