Hi Boris,
Hehe... No, it's not a frankencam. Not even a franken-lens, I think. I'm just trying out some macro setups within reach.
I've shown examples from two of the setups already, the "springbug" and "spore capsule" PESOs.
For "Springbug" I used the A*200/4 macro and the AF1.7 TC. http://www.oksne.net/paw/springbug.html
For "Spore capsule" I used a reversed FA50/1.4 on a bellows. http://www.oksne.net/paw/imgp6258-sporehus.html
I'm also playing with the mentioned combo of A*200/4 macro and FA50/1.4 reversed, and next trial will be the FA100/2.8 macro and same 50mm.
This week-end I found this little critter on a window: http://www.oksne.net/paw/gulloye.html
Shot with the same setup as the "Springbug". This solution is very convenient for stalking insects, because it effectively becomes a 340mm lens with macro capabilities and (limited) autofocus. Working range at 1:1 is about half a meter, I think. However, I the pictures tend to turn out on the soft side. I haven't tested this thoroughly enough to tell whether it's the converter or my technique failing, but could be useable for many situations nonetheless. As you can see, even the built-in flash has some merit for this combo. -Except for the red eyes...LOL...
Cheers, Jostein
----- Original Message ----- From: "Boris Liberman" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, May 16, 2005 9:23 PM
Subject: Re: Reversed lens observation
Hi!
With the recent discussion on reversing lenses and vignetting, I made an adapter with two cokin rings and epoxy glue, and tried the FA 50/1.4 reversed in front of the A*200/4 macro.
There is very little vignetting, even at full opening (f/4), no matter where focus is set with the macro lens.
Optically it seems like a good solution for 4X macro in the field.
With the added weight of the 50mm, the rig isn't too well balanced using the tripod mount on the macro lens. If working without flash, I would definately try some other way to support it.
Jostein, it begs a question - are you building your own FrankenCam? :)
Any shots you can show us yet?
Boris
