EQ8-R mount head without tripod The EQ8-R is a heavy-duty GoTo German equatorial mount rated for a 50 kg astrophotography payload excluding counterweights. This is the mount configuration without a tripod.
Manufacturer model: EQ8-R mount head without tripod · Specifications checked against manufacturer data on 2026-11-04
The EQ8-R is a heavy-duty GoTo German equatorial mount rated for a 50 kg astrophotography payload excluding counterweights. This is the mount configuration without a tripod.
Drive and tracking
The 0.9° hybrid stepper motors use 256 microsteps and 435:1 worm drives. Maximum slewing speed is 3.7°/s. Sidereal, solar and lunar tracking, selectable autoguide rates and 200-segment permanent PEC are documented.
RA encoder
The standard EQ8-R does not include the Renishaw high-resolution RA encoder fitted to the EQ8-RH. Its motor-drive resolution must not be described as an encoder accuracy.
Installation and connections
The head weighs 25.8 kg; the counterweight rod weighs 2.6 kg and the documented counterweights are two 10 kg units. Provide a compatible tripod or permanent pier separately. Latitude adjustment covers 15–65° and azimuth adjustment ±10°. Internal auxiliary power/USB connections help route telescope cables.
Power and control
Use the manual’s 11–16 V DC, 55 W supply specification, with higher voltage preferred within that range. SynScan hand control and SynScan Pro provide GoTo operation with a 42,000+ object catalogue.
Exact R/RH and tripod distinction retained. Encoder values apply only to RH and are distinct from motor resolution and pointing accuracy. Manual weights exclude different components as labelled.
Additional specifications
Counterweight rod weight (kg)
2.6
Tripod included
No
Worm gear ratio
435
Drive counts per revolution
44544000
Ra encoder
No high-resolution Renishaw RA encoder
SW0450
Fiche technique
Charge en astrophotographie (kg)
50
Réglage en azimut
±10°
Gestion des câbles
Internal routing with auxiliary power, USB and control connections
Contrôleur
SynScan hand control or SynScan Pro app
Contrepoids
2 × 10 kg
Résolution de l'entraînement (secondes d'arc)
0.03
Vitesses de guidage
0.125×; 0.25×; 0.5×; 0.75×; 1×
Poids de la tête (kg)
25.8
Plage de latitude
15–65°
Précision de pointage selon le fabricant
Up to 5 arcminutes RMS
Vitesse de pointage max. (°/s)
3.7
Modèle
EQ8-R mount head without tripod
Moteur
0.9° hybrid stepper, 256 microsteps
Type de monture
German equatorial
Base de données d'objets
42,000+ objects
La charge n'inclut pas
Counterweights
PEC
200-segment permanent PEC
Entrée d'alimentation
11–16 V DC, 55 W; higher voltage preferred within range
EQ8-R mount head without tripod The EQ8-R is a heavy-duty GoTo German equatorial mount rated for a 50 kg astrophotography payload excluding counterweights. This is the mount configuration without a tripod.
Manufacturer model: EQ8-R mount head without tripod · Specifications checked against manufacturer data on 2026-11-04
