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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 ).

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

More information on the Anamorfose website

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French brass telescope, Boucart, Paris, +/- 1830

Lens diameter 60mm tube 65mm length 89cm.
1 terrestrial eyepiece that can be removed.
Internal focuser with one knob.

Boucart Opticien Fabricant à Paris, 35 quai de l'Horloge
Boucart started activities as optician in Paris in 1790. The company was specialized in microscopes but they also sold telescopes.

In 1820 Boucart was taken over by Kuivert Opticien, Paris. See the inventory of the Nachet Collection, 1929
Boucart isn't longer mentioned in the catalog of "L'industrie Française des

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Rare Steinheil large zenith prism for refractors.
Steinheil was one of the most famous European telescope brands from the 19th century.

The zenith prism is a rare accessory.  Also the size is rare.  It's probably made for the large professional refractors.

More information on the Anamorfose website

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Secretan 10cm large table top telescope +/- 1850

Secretan 10cm large table top telescope +/- 1850

Early (+/-1855) 10cm (!) Secretan table top telescope with all the eyepieces and finder scope.
the scope has a very beautiful dark varnish. No cleaning needed. Will leave it as it is.

19th century table top telescopes have normally a diameter of 60mm or 75mm.  Larger models are very rare.

A very nice example of the classic French terrestrial and astronomical refracting telescope, here in a perfect original condition with all original lacquer entir

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Meopta 5,5cm table top telescope, school telescope

School telescopes were a tradition in Germany in the 1920's.  In Eastern-Europe several telescope makers continued to make them after the 1950's.

I didn't know of Meopta making such school telescopes.  Couldn't find any information about this scopes.

Meopta is still known for excellent optics.  Tested the school telescope and the optics are sharp and very good contrast. 

The mount is very solid.

More information on the Anamorfose website

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Antique ship deck telescope

This is a vintage marine telescope, not a contemporary copy.

Originally the telescope was mounted on the railing on the deck of a ship. 

It's a very heavy instrument with excellent optics.  The views are realy spectacular.  Crisp sharp with a good contrast.

The telescope has a fixed eyepiece with a large eye relief.  Focusing is very smooth.

The telescope was probably made between 1900 and 1920.

More information on the Anamorfose website

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E. Ducretet, Pyrometer, +/- 1900

A pyrometer is a device to the remote temperature-so without contact-to measure. The functioning of the pyrometer based on Wien's displacement law.

The pyrometer measures the wavelength in the infrared or visible light in which an object gives off most radiation to determine its temperature.

This device was created and marked by Eugène Ducretet in Paris around 1900. The item is in good working condition and is finished in brass with its original paint. Length of this object is 24.5 cm. Eugène

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Direct vision antique spectroscope

Beautiful direct vision antique spectroscope. The spectroscope works very well.

Is a large and heavy instrument.

Probably made around 1900.

The split mechanism is in brass and in perfect working condition.  Inside the tube is the prism system.

The spectroscope has a filar eyepiece.

More information on the Anamorfose website

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ATOS update

The ATOS project becomes a Turtle project (my totem sign).  Slowly advancing but with a lot of perseverance like a turtle.

About every 3 weeks I travel to the Provence in search of the right spot for the observatories and the overnight stays for the visitors.  Every time I leave with  an agenda with about 7 or 8 appointments for visiting different places.  The selections of the sites starts behind my computer: searching for the right ads, contacting the sellers, gathering all the needed informat

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Nice German Scope

New find. 90mm f1170mm refractor on altaz fork mount.
The lens is extremely good. Sharp and good contrast. The lens has no coating. Must be made between 1900 and 1914. No indication of a brand.
Original wooden box for the telescope and mount.

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The eyepiece has a strange diameter: 22mm. No standard diameter


The central colon of the mount be raised.
The mount and tripod are very stable.
The telescope, mount and tripod have been repainted by a former user.

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Les Observatoires du Clain | 2 La Berthonnerie | 86160 Sommières-du-Clain | France | Tél : +33 6 49 52 47 54