Maksutov / Schmidt Cassegrain / ACF / Klevzov Telescopes:

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Celestron NexStar 4 telescope without tripod, without access.

Item condition: used Item with possible small cosmetic deffect, but every function works perfect

Wichtiger Hinweis zur Mehrwertsteuer:
Dieses Angebot unterliegt mit Ausnahme der Versandkosten gemäß § 25a UStG der Differenzbesteuerung, weshalb auf den angebotenen Artikel keine Umsatzsteuer erhoben und ausgewiesen wird.
399.00 €
Delivery date : 2-3 days
Peter Ceravolo / Canada HD 216 F/6 Maksutov Newton with rotation tube clamps, 2" helical focuser. Meniscus lens has got a few scratches on the outside from improper lid use, but these are purely cosmetic flaws.Delivery in hard case

Item condition: used, but with visible cosmetic markings

Wichtiger Hinweis zur Mehrwertsteuer:
Dieses Angebot unterliegt mit Ausnahme der Versandkosten gemäß § 25a UStG der Differenzbesteuerung, weshalb auf den angebotenen Artikel keine Umsatzsteuer erhoben und ausgewiesen wird.
6900.00 €
Delivery date : 2-3 days
1969 Standard Questar 3.5" Maksutov Cassegrain Telescope; Serial Nr. #9 CV-3808. CV- = Cervit Mirror, 60's and 70's. From what I looked online, seems to be a 1969 model.

Item condition: used, but with visible cosmetic markings

2344.54 €
Delivery date : 2-3 days
I have a great example of a 1962 Questar Standard 3.5 upgraded scope. The scope had a Questar service in late 2017 and everything is buttery smooth. The service included: standard service, upgrade to Powerguide 3 (which I have never used), upgraded manuals, Questar screw in eyepiece adapter along with two 16 and 24mm Questar screw in Brandon eyepieces, and a shipping drum. The dew shield is a pretty purple with just a few small marks and is in really good condition. The front cover is made of synthane. The deluxe leather case is in very good condition but has a few scratches (which do not show up in the picture) which I had a professional leather company smooth out and blend. Other items that go with the scope are a weather resistant document pouch with zipper and a library bound 6-month issue of Sky and Telescope circa 1962 in great condition to experience times of yesteryear. Serial #: 2-1342 Born on Date: 7-6-1962

Item condition: used Item with possible small cosmetic deffect, but every function works perfect

3991.60 €
Delivery date : 2-3 days
What some consider the ?sweet spot? classic period of Questar design, this example was produced in 1964 (#4-2141). The kit appears to be fully correct for the period, with correct badging and the small and stout rear axial port plug. Absent are an original lens cap (a threaded metal one is provided) and the finder solar filter, which is believed not to have been provided and is available from the factory as an easy add-on. Off axis solar filter is present as is stop-down ring (Caution: having a solar filter without a finder filter is risky if careless or uniformed users will have access to the scope). Both eyepieces are present and in excellent condition. Legs and original AC cord are included. The moon map and dew shield are the ideal purple color of this era. The dew shield has some minor scratches that are not apparent except under great scrutiny. The photographs give the correct impression. The polished surfaces are bright, with several minor scratches on the base flange that are depicted. The handsome original English leather case shows significant wear at the hinge and some edges, and some separation at the upper edge of the hinge. The handle is solid, and the case appears trustworthy for carrying, even as it may be fragile for more demanding transport needs. The optics are superlative, meeting typical Questar standards. The mirror and corrector have been recoated in 2020 by Cumberland (Questar?s long-time optics supplier). Star tests presently display a beautiful Airy disc, and the scope also performs beautifully on terrestrial, lunar, planetary and nebular subjects. All mechanical and electrical actions operate smoothly and properly, and the finder is collimated and focus shift appears within Questar specs.

Item condition: used, but with visible cosmetic markings

Wichtiger Hinweis zur Mehrwertsteuer:
Dieses Angebot unterliegt mit Ausnahme der Versandkosten gemäß § 25a UStG der Differenzbesteuerung, weshalb auf den angebotenen Artikel keine Umsatzsteuer erhoben und ausgewiesen wird.
3395.00 €
Delivery date : 2-3 days
we have build and very much tested under real sky a high quaity 20" F/8.5 Maksutov Cassegrain ( Rumak Design) , optics made by Santel in Russia, Mechanics made by Matthias Wirth in Germany. The beast is now for sale . It comes with a set of tube clamps, dew cap, 3" Starlight Feather Touch extension, meniscus heater, main mirror vent, 2 maintenance flaps, handles to move tube, and 2 sets of losmandy dovetail holders for large guiding telescopes. The optics are very smooth and have excellent spherical correction. The lens is broadband multi-coated on both sides. The cooling behavior is excellent.

Item condition: used Item with possible small cosmetic deffect, but every function works perfect

83193.28 €
Delivery date : 2-3 days
Meade ETX-125 127 mm f/1900 mm (F/15) Maksutov Cassegrain telescope, optical tube, weight 3.3 kg

Item condition: used Item with possible small cosmetic deffect, but every function works perfect

Wichtiger Hinweis zur Mehrwertsteuer:
Dieses Angebot unterliegt mit Ausnahme der Versandkosten gemäß § 25a UStG der Differenzbesteuerung, weshalb auf den angebotenen Artikel keine Umsatzsteuer erhoben und ausgewiesen wird.
950.00 €
Delivery date : 2-3 days
TS-Optics 16 inch f/8 Ritchey-Chretien Astrograph - carbon truss tube. A new telescope that has experienced a spalling on the main mirror around the diaphragm tube during shipping. However, the spalling is in the shadow of the secondary mirror, is dimmed by us and therefore has no optical effect.

Item condition: used, but with visible cosmetic markings

6050.42 €
Delivery date : 2-3 days