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Minimum focus distance |
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qpalzm
Optics Apprentice Joined: July/17/2014 Status: Offline Points: 96 |
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Posted: May/02/2016 at 17:46 |
Is this simply how close you can be to an object where you can actually focus on it?
Does it have any other relevance? |
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oldfortyfive
Optics Apprentice Joined: June/16/2015 Status: Offline Points: 76 |
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That's about it. Normally it only matters to birders who like to get close.
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RifleDude
MODERATOR EVIL OPPRESSOR Joined: October/13/2006 Location: Texas Status: Offline Points: 16337 |
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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.
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Ted
Money can't buy happiness... but it's much more comfortable to cry in a Porsche than on a bicycle. |
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WJC
Optics Journeyman Joined: May/28/2014 Location: Twin Falls, ID Status: Offline Points: 328 |
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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
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“Water, water everywhere nor any drop to drink.” — Samuel Taylor Coleridge
“Social media everywhere but not a thought to think.” — me |
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WJC
Optics Journeyman Joined: May/28/2014 Location: Twin Falls, ID Status: Offline Points: 328 |
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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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“Water, water everywhere nor any drop to drink.” — Samuel Taylor Coleridge
“Social media everywhere but not a thought to think.” — me |
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