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Old Jun 26, 2004, 7:50 PM   #1
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I'm a dentist and interested in buying a Sony DSC-F828, I use to have a Nikon 5700. I take lot's of pics in peoples mouths and I think I need a ring flash. My Nikon worked great with a SB-29s ring flash, but really like the manual zoom on the Sony. I was wondering if there is a ring flash out there for the Sony. I found a slave one, but don't know if I'll get the same quality. Please help. I've been looking all over. Or should I just go back to the Nikon with the Ring flash?


Dr. Jackson
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Old Jul 1, 2004, 9:39 AM   #2
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Whoa.. thats a new way of using a camera.. I learnnew things everyday Sorry but I don't have your answer justfind it interesting.


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Old Jul 1, 2004, 11:14 AM   #3
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Sony has no dedicated Ringflash sorry. The add-on slave types are OK but the problem is that Sony doesn't know how to do Aperture priority mode right with flash. You would need to use full Manual mode with a non-dedicated flash unit and at macro distances the exposure is critical.

Stick with a Nikon or Canon camera and use their dedicated Ringflash units. Both Nikon and Canon now have reasonably priced SLR cameras (Nikon D100, D70and Canon 10D) which can be fitted with both a good macro lens and ringflash. Nikon even has several "Nikkor micro" lenses that were designed to be used with their ringflash in medical applications.
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Old Jul 12, 2004, 9:08 PM   #4
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Hey Doc J., I am also a dentist using the 5700. Well, actually it is in the shop right now...I am looking at getting a second digital camera so that I do not have to go w/o again. I am looking at either the 8700, or perhaps the D70 since I have a whack of Nikkor lenses.

I had a ring flash for the 5700 but sent it back as the results were much better with the built in flash. Near text book quality in many cases, but not quite as good as my Nikon film camera with a macro lens.

I heard do NOT go for the Sony..nice camera but will not work for dental photography. Stick with the 5700, or go D70 if you need the ring flash.

Good luck,

Doc. S.
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Old Jul 19, 2004, 10:32 AM   #5
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Hello ToothPix and BigKahuna,

I too, am a Dentist and I also own the Nikon 5700. I have been trying to take good intraoral photos with this fine camera, but maybe I'm trying to do something that it was not intended to do. I am interested in how you have achieved sucessful results in dentistry with the 5700. Have you purchased any external flashes or lenses? Unfortunately, the parallax problems exist using the built-in flash on the 5700. Nikon does not have a ring light for the 5700, the Canon G5 has such a setup. See http://www.normancamera.com/shop/Sea...ck=g5dentalkitor another site http://www.photomed.net/g5.htm. I prefer the Nikon for all around use, but what to do for the office use?

Mark O.
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Old Jul 19, 2004, 11:24 AM   #6
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I'm a photographer not a dentist... BUT I've done some
consulting work with a dentist. He is using one of the
photomed units mentioned above with good results.
The only problem is having to take it off and on all the
time. He uses the same camera with a bounce flash and
portrait backdrop to do before and after face shots as well.
For a non-photographer it is a very simple and effecient system.

There are 2 things to watch when doing macro work at that
1) flash distortion - since most point and shoots have a
flash to the side you can end up with either shadows from the
lens or hot spots off center. The photomed unit seems to
solve those with the mirrors and defusers (the top part of
the white plastic part). The ring flash is another answer,
and a little more versatile.
2) image distortion - the photomed solves that with a
"close-up attachment" (looks like a +3) lense in thier attachment.
The Macro lens on an DSLR is the other answer,
but it is more expensive. You have to practice to make sure
you don't get too close or the shot will be distorted or
out of focus, with either method.

If you are going to go with an DSLR and a ring flash, be
sure to get a good macro lens which will give at least a 1:1 ratio.
I agree with Steve Canon or Nikon.

You should understand that the point and shoots in the list
(G5, Olympus...etc) are in effect SLRs (the purists are gonna yell at me ;{)
because you can look at the LCD and see what the lens sees
for framing.
The Auto-Focus solves the focusing problem for the most part.

You can get a complete setup for around $1500-$2000 I think.
The photomed "packages" appear to be $500 above that
so you might want to shop around. The other site is more in line for the kit prices,
and they include a Pelican case (excellent hard shell case) and media in some kits.

I would stay away from the Kodak, Polaroid, and Yashica units for various reasons.

Here's the link (up a level from the above) for the kits list


I would suggest you read the photomed FAQ it has some excellent information.


Hope that helps,
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