Current Price: $5500.00
Buy It Now Price: $5500.00
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Carl Zeiss Jena Spiegelobjektiv 1000mm f/5.6

The 1000
Spiegelobjektiv (mirror lens) was manufactured always in a Pentacon Six
mount with appropriate35mm mount adaptor included ( M42, Exakta, &
Praktina ).

It's
equivalent to a C8 fully corrected for f5.6. The big advantage of this
lens is it's speed 5.6.  Not the usual f10. Gives you four times less
exposure time.

The
optical design is different from any other SCT or mak. It's a design
invented by Richter and Slevogt. It has a double correction plate in
front and 2 lenses behind. Focusing is done by moving the camera and not
the primary mirror.

You can
find them on Ebay.  But be aware when you buy one.  The military guys
didn't always handle the lens with care.  A lot of them have been
dropped.  If you that the dew shied is torn then don't buy it. An other
issue can be that the focusing mechanism is blocked due too the grease
used.  It isn't easy to replace the grease.

I'm lucky to be able find an almost mint Spiegelobjektiv.  Focusing is smooth and the optics are impressive.

This is one of the mythical lenses made by Carl Zeiss Jena with a fantastic finishing.  Mechanical and optical a masterpiece.

Tested
the Spiegelobjektiv with a Sony Alpha 7S and it's an excellent lens. 
Also for astrophotography.  It's a fabulous lens.  For me it's the
perfect astrocamera.

Included in the sale
Carl Zeiss Jena 1000mm f/5.6 Spiegelobjektiv SN 7 363 496 made in 1965

Dust cover

3 adapters

Filter wheel with 6 filters

Dew shield

Original wooden box

Size

Length: 46.5cm

diameter: 24cm

Weight (without the wooden box): 14kg

Condition
Looks like never used
no scratches
Focusing works smooth
Filter wheel turns well
Optics are clear and bright
Tested it.

Our service
We have been selling vintage astronomical instruments for over more than 10 years.
I'm a amateur astronomer myself and all instruments I sell are in good working condition.
I test all the telescopes under the stars and know the possibilities of each instrument
All the instruments are controlled and cleaned before shipping.
The necessary reparations are done.
If possible missing parts are replaced.
If not, read the item description carefully for possible defects.
Take a close look at the photos.
The advantage is you know exactly what you're buying.

We put a lot of effort in the wrapping of the items.
We use professional shippers for the world wide shipping.
We have experience in shipping large instruments up to the unique and complete 6" Unitron - Polarex
Each shipping has a tracking number.
If wanted the shipping can be ensured door2door

Returns are possible.
The buyer needs to know how to use the instrument in the right way.
There is a limited warranty because we don't sell new instruments but used vintage instruments.

International Buyers
We ship worldwide
We accept Paypal (no charges). Please contact us.

More information
We try to describe the item as accurate as possible. If the description isn't clear, please contact us

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Filed under: High-End Telescope Auctions (USA)