Re: Wild Stereoscope Models

On Aug 24, 12:16 am, blackie85...@xxxxxxx wrote:
On Sat, 18 Aug 2007 11:26:56 -0700, Too_Many_Tools





<too_many_to...@xxxxxxxxx> wrote:
I am interested in buying a Wild stereoscope of the M5/M7/M8 series.

Could someone discuss the different versions of these lines of scopes?

I recently saw a listing for a pair of Wild M7A and Wild M7S
stereoscopes...what are the differences between these scopes? Are
there
more variations of this particular scope?

Also are there similar variations of the M5 and M8 scopes?

Finally is there a web page that discusses the stereoscopes that Wild
has produced over the years?

Thanks

TMT

The M7 has the exact same spacing as the M3 and M8. The M7S is
essentially the same as the M7A except that the objective lens group
is movable on the M7S. This allows the observer to use the scope in
either : 1) The standard configuration (left amd right optical path
displaced from the centerline of the objective group). 2) Left
optical path only (centerline of left optical path coincident with
centerline of objective lens group). This allows for a parallax free
view amd allows epi-illumination into deep holes.
There are other differences between the M3, M7 and M8:
1) The cam/ramp mechanism is different on all three scopes - this is
only of interest to a Tech.
2) The M8 objective is a Plan. This might be of interest to you if a
very flat field is required.
3) The M3 also came in a M3C variation with fixed lenses and only one
moving part. Magnification is in discreet steps. This may interest
you if you need a scope that can take a little rougher handling.
The M5 does indeed have a wider spacing of the optical paths.

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Thanks for the info...it is appreciated.

Any idea why the spacing on the optical paths were changed from the M5
(wider) to the M3/7/8 (narrower) series?

TMT

.

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