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Light Bulb Beam Angle?

 
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Lithuania
4 Posts
 Posted 09/10/2018  10:47 am Show Profile   Bookmark this topic Add Lazarus23 to your friends list Get a Link to this Message
I'm not sure which light bulb should I look for when lighting coins the one that has wider beam angle or narrower? Any suggestions?
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United States
992 Posts
 Posted 09/10/2018  12:43 pm  Show Profile   Bookmark this reply Add paxbrit to your friends list Get a Link to this Reply
You want floods for just about all of it, that is the wider beam. Narrow beams cast shadows and require diffusion.
New Member
Lithuania
4 Posts
 Posted 09/10/2018  12:55 pm  Show Profile   Bookmark this reply Add Lazarus23 to your friends list Get a Link to this Reply

Quote:
You want floods for just about all of it, that is the wider beam. Narrow beams cast shadows and require diffusion.

Thanks for reply. Should I go for as bright as possible or 3 bulbs of 800 lumens each is enough?
Also isn't 270 degree beam too wide?
Edited by Lazarus23
09/10/2018 12:58 pm
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United States
8395 Posts
 Posted 09/10/2018  2:19 pm  Show Profile   Bookmark this reply Add pepactonius to your friends list Get a Link to this Reply
I think the angle that matters is how wide the light looks if your eye were where the coin is. A 270-degree beam light can look small if it's far from the coin, for example. A bare bulb can illuminate almost the whole sphere (almost 360 degrees), but it can look like a small point source from the coin's perspective.

Some coins look best with a diffuse/wide angle light source, and others look best with something narrower. Some sort of flexible setup (like a lens-attached diffuser, where you can vary the amount of diffusion) might be the most useful for coin photography.
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United States
1474 Posts
 Posted 09/18/2018  1:27 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
I agree, the amount, angle, and Type of the light can vary greatly depending on the coin type and even grade of coin your photographing.
Even where you have your photo setup located can make a difference at times. Like in a room with a lot of ambient light or just shooting with the 'unnatural light.
You can find an 'in-between' setup and then adjust from there.
Just some advice. I am not the pro here and there are many here.
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4666 Posts
 Posted 11/29/2018  11:11 am  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply
I recommend buying Numismatic Photography by Mark Goodman.
But if you do make sure you get the 2nd edition.
Describe it as if there were no picture.
Picture it as if there were no description.
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