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Celestron C6-A AVX / CG5 Optical Tube

Brand: Celestron

Reference: CE91010

Offer: €783.95
PVP: €852.87
€783.95

Description

Celestron provides us with a 6 "(150mm) Schmidt Cassegrain optical tube. Adaptable to Celestron AVX / CG5 mount and superior optical quality at a price affordable for the advanced hobbyist observer.

Details

More information
The 6 "(150mm) optical tube is made of high quality aluminum, incorporates starbright XLT coatings for greater light transmission. Compatible with AVX / CG5 (Dovetail) mount, as it includes the dovetail rail Compatible with this mount The diagonal star provides a more comfortable viewing position when viewing objects in the sky.

Characteristics:
  • Optical design: Schmidt-Cassegrain
  • Opening (mm): 150 mm (5.91 in)
  • Focal length of: 1500 mm (59 in)
  • Focal Ratio: 10
  • Eyepiece 1 focal length (mm): 25 mm (0.98 in)
  • Eyepiece magnification 1: 60 x
  • finder telescope: 6x30
  • Diagonal Star: 1,25
  • Aluminum Optical Tube
  • Fastar Compatible: No
  • Maximum Useful Magnification: 354 x
  • Minimum Useful Magnification: 21 x
  • Stellar Limit Magnitude: 13.4
  • Resolution (Rayleigh): 0.93 arcseconds
  • Resolution (Dawes): 0.77 arcseconds
  • Light Energy Encounter (compared to human eye): 459 x
  • Apparent field of view: 0.83 °
  • Linear Field of View (@ 1000 yds): 44 ft (13 m)
  • Secondary Mirror Obstruction: 2.2 in (56 mm)
  • Secondary Mirror obstruction by Diameter: 37%
  • Secondary Mirror obstruction by Area: 14%
  • Optical Coatings: StarBright XLT
  • Optical tube length: 16 inches (406 mm)
  • Optical Tube Weight: 10 lbs. (4.54 kg)
  • Dovetail Compatibility: CG-5 Mount

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Questions (1)

Lorenzo
01/07/2020

buongiorno , necessita di collimatura frequente? ogni quanto tempo ? e' facile l'operazione di collimatura? grazie Lorenzo

Store response | 01/07/2020

Buon pomeriggio, La collimazione di uno Scmidt-Cassegrain non è complicata. Al centro dell'obiettivo ci sono alcune viti che fanno muovere lo specchio primario. Dovremo usare un collimatore, ci sono laser o analoghi e quando spostiamo lo specchio primario riflettiamo un punto di luce che dobbiamo focalizzare sul collimatore per regolare nuovamente la messa a fuoco. La collimazione dipende fortemente dall'uso e dal modo in cui viene trattata la provetta. Generalmente, dovresti collimare ogni 5 usi circa. Non è un processo complicato perché ci sono molti tutorial e in meno di 5 minuti dovrebbe essere possibile scontrarsi facilmente. Saluti, Carlos

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