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  • G53F montatura equatoriale computerizzata con trascinamento ad attrito G53F montatura equatoriale computerizzata con trascinamento ad attrito

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G53F equatorial mount with friction drive

Product code: GTD-G53F

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Quick Overview

The G53F mount, thanks to innovative friction drive (gearless), offers high performances for astrophotography. Its high load capacity and the use of the encoder make it ideal not only as a transportable instrument but also for observatories, even for remote management.

G53F is the german mount with the best tracking accuracy in its category. The friction drive system is completely free of gears, ensuring a great fluidity of movement. For the same reason backlash is also deleted, thus making autoguiding much more precise than the mounts with worm and gear. The G53F mount is therefore ideal for long exposure astrophotography even with heavy and long focal length telescopes, such as 10 or 12" Ritchey-Chretien or similar.

Availability: Available

Order €6,500.00
22% tax incl
if you pay by bank transfer €6,305.00


The advantages of the friction drive system over the gear worm based system

The friction based mounts have no backlash at all, autoguide perfectly even in DEC, enable longer autoguiding exposures (5-10 sec). The special wear resistant design keeps its performance over time. All these characteristics and many others together with its low weight make the G53F Friction Drive German Equatorial Mount the ideal astrophotography mount in the field or in the observatory.

Motorizzazione GoTo PULSAR 2

PULSAR 2 is the motors and computerization developed by Gemini Telescope Design, that is installed on G53F mounts. PULSAR 2 accepts servos or steppers with Input 12-18VDC, output 2×4 A. It can be added with independent incremental encoders  and it connects to the PC via USB, Serial or LAN ports, ASCOM and INDI (Linux) compatible. It allows direct access from the internet (Internal web server) and steppers are driven in 2 speed dependent modes, ensuring silent and silky smooth tracking AND high goto speeds. It has many advanced features like AAG Cloud watcher compatiblility of direct parking via the AUX port, new foolproof initializing menu to help setting DEC motor rotation and finding the reference star, possibility to use with C2A planetarium program that offers embedded support for Pulsar2 and a precise polar alignment tool also. All solar system objects can be precisely tracked with C2A and Pulsar2. The handpad features an internal GPS, large display and graphic aid for initializing the mount. Information like the active speed (goto, guide or other), tracking mode (sideral, lunar, planet, custom, etc), low voltage are always visible


G53F equatorial mount main features:

Encoder based friction drive system
All cables routed internally
PULSAR 2 based drive system
Real Time PEC function to keep the target within cca 1,5″
Absolute position reference for recovery after system breakdown
Can be separated in two parts (4 screws), the total weight is 20 kg
45 kg payload
Integrated Losmandy rail interface (exchangable)
Sidereal, Lunar, Solar and custom tracking of all Solar System objects with C2A
Up to 4,5 deg/sec GoTo speed
LX200 (most commands) and ASCOM compatible
Reference stars, M, NGC, IC, and custom programmable database
Smart meridian flips (for robotic mode and efficient goto)
Parking also via external switch (cloud detector) – when the PC breaks down
Real time refraction correction (for tracking and goto)
12-18 VDC operation, 1A consumption
Built in GPS reciever in the hand controller
Free firmware updates, language versions and many other goodies
Accurate 12×30 polar finder with illumination (optional)
5 years of warranty for mechanical parts and 1 year for all electronic parts

Technical specifications

Mount type Equatorial
Load capacity (kg) 45
Pulsantiera di controllo Yes
Treppiede No
Polar finder Optional
Contrappesi no
Motors Trascinamento ad attrito
Velocità massima di spostamento 4,5 gradi/secondo
Porta autoguida ST4 Yes
Dovetail bar fitting Losmandy
Controllo dell'errore periodico Yes
Diametro asta contrappesi 30mm
Lunghezza asta contrappesi No
Peso testa della montatura 20 Kg
Peso treppiede No
Alimentazione 12-24 VCC

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