Fornax 51/52

The newest series of Fornax Telescope Mounts of German Equatorial type for precise positioning and tracking large telescopes up to 40kg. Although there are examples of use of even heavier telescopes, the recommended maximum load is 40kg – 50kg for this telescope mount.

With MC5 controller
4889 Euros (Exc. VAT.) + shipping 
With MC5 controller + absolute encoders (2 Heidenhain ECN 125 2048 5XS08-c4 R)
5489 Euros (Exc. VAT.) + shipping 

To buy or get shipping rate please contact us with the Mail for quote button below:

4.889,00 (exc. VAT)

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Fornax 51/52

The newest series of Fornax Telescope Mounts of German Equatorial type for precise positioning and tracking large telescopes up to 40kg. Although there are examples of use of even heavier telescopes, the recommended maximum load is 40kg – 50kg for this telescope mount.

“The Fornax 52 is a good mount, it has a great value for the money. It has no backlash, and reacts immediately to guiding corrections on both axes.”

(Iván Éder)

fornax 52

 

 

Robust Body 

 

The mechanism of this extremely sturdy mount is being made of aluminium alloy, cast aluminium, bronze and stainless steel. The worm and the electric motor are located in an enclosed, sealed space (waterproof and dust-proof), making it less sensitive to dust and temperature fluctuations, and is practically maintenance free. Thanks to the ingenious solution of the inner drive mechanism this telescope mount doesn’t suffer from any backlash.

fornax 52

 

horse head ivan eder fornax 52

Photo by Iván Éder

fornax-52-equatorial-mount

 

High accurate tracking

Typical periodic error (when not guided) is less than +/- 6 arc seconds (one period on the worm gear is 7.5 minutes long!) When using auto guiding, the mount reacts immediately, so corrections are very fast and completely free of play. This is the ultimate solution for astrophotography with a high quality/price ratio.This model is suitable for both observatories and to carry it around.

ivan eder

Photo by Iván Éder

 

SPECIFICATION OF FORNAX 51/52 EQUATORIAL MOUNT

 

Mount weight 35 kg
Max payload capacity: 50kg (counterweight excluded)
Photographic payload:  30 kg (counterweight excluded)
Overall dimensions: 220 x 470 x 540 mm
Shaft diameter: 60mm, anodised aluminium alloy
Bearings: diameter 95mm, high precision tapered roller bearings in X layout
Gear: diameter 194mm, 1 modul, bronze, 192 teeth
Worm: diameter 22mm, multiple thread, grinded, hardened, corrosion proof steel (KO13)
Periodic Error: < +/- 6 arc seconds
Periodic Error (with TDM): < +/- 0.5 arc seconds
Stepper Motors: 200-phase step / rev., 1.3Nm
Voltage and Current: 12V DC, 3.5A peak power consumption at max. load
Step-resolution: 0.25 arc seconds / step with MC3 and 0,03  arc seconds / step with OC5 
Maximum speed: 4 degrees / second
Counterweight holder shaft: diameter: 33.7mm (1,3267” KO33 tube) and length 470mm

 

Fornax 52 Mount Dimensions (technical drawing)
Fornax 52 Pier Top Dimensions (technical drawing)

astrophotography

The Lion of Cepheus (photo by Lóránd Fényes)

ivan eder fornax 52
Horsehead Nebula region (photo by Iván Éder)

ivan eder fornax 52
Soap Bubble and Crescent Nebula (NGC 6888) (photo by Iván Éder)

ivan eder fornax 52
Center of Heart Nebula (photo by Iván Éder)

ivan eder fornax 52
The Great Andromeda Galaxy (M31) (photo by Iván Éder)

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