getting enough light into canal for decent photo - Courtesy ROOTS
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From: Mark Dreyer
Sent: Tuesday, July 28, 2009 1:31 AM
Subject: [roots] Cool deep photo
Anyone that has tried taking photos through a scope knows how tough it is
to get enough light into a canal for a decent photo. After removing the post,
I measured the gp you see in this photo and it was 13mm down. The secret is a
brilliant ring flash (Canon MR EX-14) and a varifield, a device that narrows
the scope light beam to a small circle allowing for more intense light deeper.
I looked into finding this on ebay. Global doesn't make them anymore.
The higher mag photo has been cropped. The lower mag is the original photo
- Mark Dreyer, DMD
Wow! Looks great Mark. I wish I had had such a thing for the furcation 21 mm
down in a lower bicuspid I did tonight. Only one picture of about 10 turned
out half way decent - Winfried
Fantastic pictures. What camera are you using and please more details on the
varifield ( brand, type, etc). - Sergio.
Sergio, Canon 20D. Unfortunately the Varifield isn't available any longer.
It was a Global item and they stopped producing it a number of years ago - Mark
Got to get me a varifield. Like I need to stack more parts between the oculars
and the patient - gary