Secondhand

Long Perng 90 mm f/500 mm F/5.5 ED Apo, Very fast travel apo with 90 mm aperture and 500 mm focal length for observation and astrophotography. New price was Euro 1,000. ♦ Aperture 90 mm / focal length 500 mm ♦ Very good speed with f/5.5 for short exposure times ♦ Ideal travel telescope with only 410 mm transport length ♦ Oversized 2.5" Crayford focuser for very good illumination even with CCD and DSLR cameras ♦ Micro-reduction for high-precision focusing ♦ High-quality 2-element ED objective for a high-contrast and color-neutral image At the base of the apos you have a universal connection plate with two 1/4" photo tripod connection threads. This allows you to adapt the telescope to good tilt heads or ball heads like a spotting scope. However, you can also adapt a GP Level or Losmandy Level dovetail bar to the base and then attach the apo to an astronomical mount. You can find suitable rails in our accessory recommendations. Weight only 3.4 kg Scope of delivery: Optical tube, case, red light finder. Translated with DeepL.com (free version)

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.

The 130 mm APM-LZOS 3-lens SuperED in a great special package with 3.7" APM focuser. Like new condition with 2-year new device guarantee Scope of delivery: Optical tube 130/1200mm with sliding dew cap APM CNC tube clamps APM 3.7" ZTA focuser with 1:10 reduction, 360° rotatable APM Fast Lock reduction adapter 2" / 1.25" APM 3" mounting rail Adapter 2" / 1¼" with brass clamping ring Test protocol Cover on both sides Carrying handle case

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.

16"F/5 Aries Newtonian Telescope with optical window build in observatory class quality, includes tube rotating ring system, mountplates, tube balancing weight system, cooling fans, dew shield, 2" Starlight focuser, Astrosital mirrors, fully broadbandcoated optical window, very small central obstruction of only 15%, interf. Testreport stating above 98 % strehl on system and better than 1/8 wavefront p.t.v.; the telescope performance is Manufactoring cost nowadays about $ 50,000. Total weight about 160 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.

Elliptical secondary mirror diameter small axis 31 mm thickness 10 mm

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

Elliptical secondary mirror diameter small axis 38.6 mm, 1.83", thickness 8 mm from Antares Optics

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

Elliptical secondary mirror diameter small axis 46 mm thickness 10 mm from Antares Optics

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

Elliptical secondary mirror diameter small axis 48 mm thickness 10.5 mm

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

Elliptical secondary mirror diameter small axis 54 mm , 2.14", thickness 12,3 mm from Antares Optics

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

Elliptical secondary mirror diameter small axis 55 mm thickness 10 mm

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

Elliptical secondary mirror diameter small axis 55 mm thickness 13 mm

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

diagonal prisma 60 mm wide, uncoated, weight 277 gram

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.

Flat mirror Rectangular 46 mm x 61 mm x 8.9 mm with small traces of scratches on the mirror coating

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.