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Preventing Blurriness

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Amazon99's Avatar
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 Posted 10/18/2007  6:32 pm Show Profile   Bookmark this topic Add Amazon99 to your friends list Get a Link to this Message Number of Subscribers
When taking pictures of my coins, a major problem that I have is that one half of the photo becomes blurry. I've done it by hand and with a tripod and it still ends up happening. I don't know what to do anymore. Any suggestions?

Example look at the bottom half of each side.
Preventing-Blurriness
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bobby131313's Avatar
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 Posted 10/18/2007  7:02 pm  Show Profile   Bookmark this reply Add bobby131313 to your friends list Get a Link to this Reply
Three possible solutions:

1. Photograph the coin at a dead 90 degree angle.

2. Try taking the photo from further away, then the difference in distance between the bottom and top of the coin will have less of an impact on focus.

3. Send all your coins and your camera to Mom and I, then you don't have to worry about it anymore.
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Amazon99's Avatar
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 Posted 10/18/2007  7:20 pm  Show Profile   Bookmark this reply Add Amazon99 to your friends list Get a Link to this Reply
I'll the 90 degree angle one. The photo that I posted was taken further away than I usually do. Maybe I have to go further back. As to number 3, er...ummm I'll pass but you guys always take such nice photos maybe you could send me your camera and a few of your coins for me to practice on?
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chrsb's Avatar
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 Posted 10/18/2007  7:42 pm  Show Profile   Bookmark this reply Add chrsb to your friends list Get a Link to this Reply
I use the 2 second delay when shooting mine, I noticed it helped mine a little bit. Sometimes I would bump the camera a little bit when pushing the shutter button, now it waits 2 seconds and takes the picture.
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Amazon99's Avatar
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 Posted 10/18/2007  8:48 pm  Show Profile   Bookmark this reply Add Amazon99 to your friends list Get a Link to this Reply
Chrsb, I had mine on 5 second delay.
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7070's Avatar
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 Posted 10/19/2007  10:23 am  Show Profile   Bookmark this reply Add 7070 to your friends list Get a Link to this Reply
Amazon99
try using one of these:

Image Insert:
Preventing-Blurriness


place the level on the back of the camera, center the bubble.

Depth of field is the area that is in focus, at low light settings this can be very shallow. As in less than a 16th of an inch.

imagine a line exactly parallel to the coin, just touching the coin.
this line is also parallel to the camera, and the the two lines move
at the same rate to to each other.

the line at the coin is the depth of field (area in focus), and if you tilt the camera, you can see that part of the coin is in focus while the area above or below the line is out of focus.






Edited by 7070
10/19/2007 10:26 am
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Amazon99's Avatar
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 Posted 10/19/2007  4:25 pm  Show Profile   Bookmark this reply Add Amazon99 to your friends list Get a Link to this Reply
7070, that might work. Where can I pick one of those up and does it have a special name?
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 Posted 10/19/2007  4:30 pm  Show Profile   Bookmark this reply Add 7070 to your friends list Get a Link to this Reply
I picked it up at Home Depot. You should be able to find one at any hardware/tool store. it called a bubble level.
I think I paid $3.98 for it two months ago.
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Amazon99's Avatar
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 Posted 10/20/2007  6:08 pm  Show Profile   Bookmark this reply Add Amazon99 to your friends list Get a Link to this Reply
Thanks for the info, I'll be picking one up soon.
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RenaL's Avatar
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 Posted 10/20/2007  6:42 pm  Show Profile   Bookmark this reply Add RenaL to your friends list Get a Link to this Reply
If you'll use the level, (I know that one as a bulls-eye level), I suggest you first level the surface that the coin stands, then the camera, so you'll make sure they are parallel to each other.

You may try to zoom in and out to see if the coin stays at the same spot on the display, then the coin is exactly in line with the objective.


I'm looking for one of those levels myself. The only one I found was 11 Euros, frankly I couldn't spend so much for a simple level.
Edited by RenaL
10/20/2007 6:44 pm
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7070's Avatar
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 Posted 10/21/2007  07:26 am  Show Profile   Bookmark this reply Add 7070 to your friends list Get a Link to this Reply
RenaL Has an excellent point. be sure that the surface that the coin is resting on is level along with the camera.
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bobby131313's Avatar
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 Posted 10/21/2007  11:53 am  Show Profile   Bookmark this reply Add bobby131313 to your friends list Get a Link to this Reply
Well, not to start an argument here, but I think the bubble level is extreme overkill. I've been taking coin photos for many years without one with no blurriness.

quote:
Depth of field is the area that is in focus, at low light settings this can be very shallow. As in less than a 16th of an inch.


I can honestly say that I have never seen a depth of field anywhere near that shallow while taking any coin photo.
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RenaL's Avatar
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 Posted 10/21/2007  3:34 pm  Show Profile   Bookmark this reply Add RenaL to your friends list Get a Link to this Reply
I have never experienced half-blurry pics either. But I think a level is a good aid if you want 100% round coins.

I tend to tilt the camera for the best lighting, then the coins become elliptical.
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Amazon99's Avatar
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 Posted 10/21/2007  11:27 pm  Show Profile   Bookmark this reply Add Amazon99 to your friends list Get a Link to this Reply
Maybe my micro mode is causing this? This time I had it on a tripod and it was a distance away from the coin. I normally shoot by putting it in micro mode and getting the camera as close to the coin as long as there's enough light on it. When I shoot close up, I'm able to get better detail with it than with the tripod and the coin sitting a distances away. Maybe it has something to do with my camera? I have a Canon A620 http://www.dcresource.com/reviews/c.../index.shtml

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7070's Avatar
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 Posted 10/22/2007  12:45 am  Show Profile   Bookmark this reply Add 7070 to your friends list Get a Link to this Reply
Amazon, Are you placing the coin in the center of your viewfinder? if not try that, sometimes lens are less sharp toward the edges.
(although in this case it may be a stretch, but worth trying) :))
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Amazon99's Avatar
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 Posted 10/22/2007  8:50 pm  Show Profile   Bookmark this reply Add Amazon99 to your friends list Get a Link to this Reply
7070, I am.
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