At 6:32 pm -0500 23/3/98, IRBWALTERS wrote:
>Hi Gary Reese
>In reading your concerns on using the 80mm at 1:1 or 1X. I may add, that at
>1X, you would want to use a focusing rail. The 80 with the 65-116 tube has
>one built in , the 90mm macro does not.
>Food for thought!
Hmmmm.... well you definitely need a focussing rail as moving the camera
about hend held with flash is a definite art unless you have a cybernetic
arm and nail it to a post.
The zoom tube can be attached to a focussing rail, the movement of the tube
itself adjusts magnification factor rather than focus - although it will
affect depth of field.... The tube is an excellent device for use
outdoors, however you do need a focussing rail and a good tripod.
The best macro shots I have were taken with a 100mm Pentax screw thread
lens on a set of lightweight bellows. Who said that?
All the best,
Clive http://clive.bel-epa.com
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