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Help needed finding Objectives and accessories for this unit

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Expand view Topic review: Help needed finding Objectives and accessories for this unit

Post by opticsplanet.com on Sun Mar 04, 2007 6:35 pm

Hi

We don't have any accessories on that brand, but you might try Bushnell, who used to market B&L at 1-800-221-9035

Help needed finding Objectives and accessories for this unit

Post by Kay on Fri Mar 02, 2007 2:25 pm

Hello,

I would like to know if anyone knows if I can get Objectives for this microscope.

The Head unit is made by Bausch & Lomb as are the 10X-WF Eyepieces and Light Ring. I do not know the Model number but would like to.

The head unit is of the stereo type and has a center rear zoom knob that is calibrated .07X to 3X.

There is a threaded ring that holds the florescent light ring on the base of the head unit and there is no objective optics threaded onto the base. The threads on the ring measure out from 37.82MM at the outside of the thread grooves and 37.64MM in the grooves of the threads. +or - 0.10.

This unit was used in a metallurgical application before it came into my possession and I would like to be able to use for Gemological studies therefore it is required to be able to magnify up to 40X.

If I could find Objectives for this unit what size and power would I need?

I will attempt to post or link a few pictures that may or may not help in this query.

Thank you in advance for any enlightenment.

Kay

Edit:
After the time of this posting I was able to determine that this is a StereoZoom 4, 5, 6 or 7 and that this model would not use Objectives per say but rather a BARLOW AUX OBJECTIVE LENS to multiply the magnification. So far I have not been able to locate a Barlow lens for the 38MM threads.
Remembering also that the magnification is a factor of eyepiece power I have located a set of 16X WF eyepieces with 23MM tubes to match this unit and will be able to dial in the 40X I need with a setting of 2.5 on the Zoom dial.

Thanks Again for any help.

Kay


Unit with Light removed
[img][img]http://img406.imageshack.us/img406/7919/sidewithoutlightyv8.th.jpg[/img][/img]

Head Unit
[img][img]http://img251.imageshack.us/img251/7996/headunitux7.th.jpg[/img][/img]

Bottom of Head unit
[img][img]http://img408.imageshack.us/img408/5515/bottomofheadunitmy1.th.jpg[/img][/img]

With light attached and ring where Objective would mount
[img][img]http://img116.imageshack.us/img116/8715/withlighttw0.th.jpg[/img][/img]

Links if the photos do not load.
Unit with Light removed
http://img406.imageshack.us/img406/7919/sidewithoutlightyv8.jpg
Head Unit
http://img251.imageshack.us/img251/7996/headunitux7.jpg
Bottom of Head unit
http://img408.imageshack.us/img408/5515/bottomofheadunitmy1.jpg
With light attached and ring where Objective would mount
http://img116.imageshack.us/img116/8715/withlighttw0.jpg

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