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has anyone had any luck with MACRO?
Posted by: Ray Morgenweck ()
Date: February 16, 2011 11:31PM

Most of my photography these days is digital...sad to admit that, but most of my subjects these days are coins.

The enlargement is usually about 5 to 10 times actual size.

Ive been approached by other collectors to do some images of their coins, with wet plate.

A scary proposition, in that Ive not tried this before. Ive been thinking of using a mirror, and shooting downward, since obviously the coin image cannot be reversed.

The first thought is to use an F2 Leica summar lens, with a long extension.

Anyone ever try this, and have good results?



Edited 1 time(s). Last edit at 02/16/2011 11:32PM by Ray Morgenweck.

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Re: has anyone had any luck with MACRO?
Posted by: RobertSzabo ()
Date: February 17, 2011 02:51PM

You could always make a wet plate holder for an enlarger Ray. I did that with an Elwood I had years ago.

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Re: has anyone had any luck with MACRO?
Posted by: goamules ()
Date: February 17, 2011 06:27PM

You could use a reversing prism, pointing down. I've seen the modern ones for process cameras pretty cheap on ebay. You can make a platform underneath to hold the coin, and put a lot of light on it with mirrors....

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Re: has anyone had any luck with MACRO?
Posted by: goamules ()
Date: February 18, 2011 11:13PM

I tried the reversing prism and a Euryscope VII to make this halfplate.


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Re: has anyone had any luck with MACRO?
Posted by: Ray Morgenweck ()
Date: February 19, 2011 12:45PM

As I sat looking at the 'wallpaper'
of a coin image on the computer screen.....I began to think about reversing technology here and flipping the image around on the monitor...bringing the camera into the office and.....

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Re: has anyone had any luck with MACRO?
Posted by: goamules ()
Date: February 19, 2011 05:56PM

Ha! There's more than one way to do something. Here is my setup for the above:


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Re: has anyone had any luck with MACRO?
Posted by: Ray Morgenweck ()
Date: February 19, 2011 09:04PM

so , youre roughly one to one there, or a slight enlargement?

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Re: has anyone had any luck with MACRO?
Posted by: J0B00 ()
Date: February 21, 2011 12:01AM

...gotta get me one of those.

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Re: has anyone had any luck with MACRO?
Posted by: Ray Morgenweck ()
Date: February 21, 2011 02:42AM

The problem with working close, doing macro, of coins...as I see it is one of lighting. The reversing prism, or a first surface mirror, shooting down...may take care of that.

I did do a 5X7 once of a 16mm film cell, but that was taped to a window. That was done using the leica 50mm lens..and getting quite close.

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Re: has anyone had any luck with MACRO?
Posted by: goamules ()
Date: February 21, 2011 02:14PM

To answer your question Ray, yes, it's about 1:1 magnification. The lighting definitely was an issue. The 6" F9 lens became MUCH slower with about 14" of bellows. This was a 4 minute exposure with a mirror doubling the light coming in the window above. Still....it might be fun to play with.

Though unmarked this came from an estate sale with a CC Harrison Globe lens. I didn't get that. I had several people check it and they believe it is a rare Harrison prism.

You could use a process prism which I see on Ebay often.

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