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Too Much Glare?

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Valued Member

United States
284 Posts
 Posted 01/06/2009  6:24 pm Show Profile   Bookmark this topic Add christian_cyclist to your friends list Get a Link to this Message Number of Subscribers
It looks like it's my turn to join the chorus of first time coin shot critique requests. Well, actually, this is like my fifth coin shot but my first serious one. I'd like to photograph my coins as I work on cataloging them and I'd like to develop a good method.

I'm having problems with too much reflective glare. If I reduce the shutter speed then I get a dark picture. Here's a cropped photograph of my attempt.

http://www.geocities.com/christian_...diffuser.jpg

It's a circulated Washington quarter. Nothing special.

My camera is a Fuji E550 and I run in manual mode so I can control the shutter speed and aperture settings. The ISO is set to 200 and I use a 2 second delay timer so I don't capture the shutter-button wobble.

The picture was originally 12M in "fine" mode. I cropped it down to what you see and saved it with a 95% quality setting using Paint.NET.

I had two fluorescent lamps, one on the left and one on the right of the coin. The coin is covered with an opaque, but somewhat see-thru, tupperware bowl. A hole at the top of the bowl was cut for the camera to see the coin. The intent of the tupperware bowl was to diffuse the light from the lamps so I don't get any hot spots.

How can get rid of this glare and capture more detail?

Thanks!

-- Boris
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Tim Stroud's Avatar
United States
2661 Posts
 Posted 01/06/2009  6:58 pm  Show Profile   Bookmark this reply Add Tim Stroud to your friends list Get a Link to this Reply
Try covering your lamps with a couple of sheets of copy paper. This may help diffuse the light a little more.
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Learjet's Avatar
Australia
655 Posts
 Posted 01/08/2009  2:11 pm  Show Profile   Bookmark this reply Add Learjet to your friends list Get a Link to this Reply
A long narrow tube painted matt black on the inside (like an extra long lens hood) should take care of glare.
New Member
mAnD's Avatar
Canada
18 Posts
 Posted 02/08/2009  1:53 pm  Show Profile   Bookmark this reply Add mAnD to your friends list Get a Link to this Reply
or use a PL/PLC lens
that's also work
Valued Member
phdezra's Avatar
United States
60 Posts
 Posted 02/09/2009  8:53 pm  Show Profile   Bookmark this reply Add phdezra to your friends list Get a Link to this Reply
cyclist - have you tried another shot with more diffusing? I'd be curious to see a second photo.
Valued Member
United States
284 Posts
 Posted 02/10/2009  01:31 am  Show Profile   Bookmark this reply Add christian_cyclist to your friends list Get a Link to this Reply
Yep, I have been taking plenty of pictures! :-)

I have roughed up the translucent Tupperware bowl with some course sand paper and I have moved the lights further out. Depending on the coin, I can get some beautiful shots.

Too-Much-Glare?

Depending on the coin's material, the surface details get washed out and I have to play around with dimming the light that makes it to the outside of the Tupperware bowl. Sometimes I'll use my hands. Other times I'll put a stack of unused flips to the side of the bowl to block some light.

-- Boris
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