Wild Heerbrugg M20 photo tube

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Radazz
Posts: 972
Joined: Sat Jun 18, 2016 11:55 am
Location: Arnold, Missouri USA

Wild Heerbrugg M20 photo tube

#1 Post by Radazz » Mon Aug 01, 2016 8:54 pm

Wild Heerbrugg collectors.

I'm curious about the Wild trinocular photo tube.
The Zeiss Standard has a sliding prism so 100% of the light goes to the occulars or to the camera.
The Wild seems to be a beam splitter? Does this effect the brightness in either direction?

Thanks for any info,
Jim
Arnold, Missouri
Olympus IX70
Olympus BX40
Olympus SZ40

Charles
Posts: 1203
Joined: Mon Mar 02, 2015 11:55 pm

Re: Wild Heerbrugg M20 photo tube

#2 Post by Charles » Mon Aug 01, 2016 9:34 pm

There are three different types of photo tubes. The first type, H, is a fixed beam splitter which gives you 25% of the light through the binocular tubes and 75% through the photo tube. Type HU has a three position changer which gives you 100% light to binocular or 100% to photo tube or the third position will give you 25% to the binoc and 75% to the photo tube. The HZ is the horizontal photo tube and it will also only gives you 25% to binoc and 75% to the photo.tube. Of course the better one to get is the HU with the three positions.

User avatar
Radazz
Posts: 972
Joined: Sat Jun 18, 2016 11:55 am
Location: Arnold, Missouri USA

Re: Wild Heerbrugg M20 photo tube

#3 Post by Radazz » Mon Aug 01, 2016 10:55 pm

Thanks, Charles.

Sounds like I'm getting the best results just pulling an occular and slipping the camera in.

Jim
Arnold, Missouri
Olympus IX70
Olympus BX40
Olympus SZ40

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