Telescope Esprit ED 100/550 EQ6-R PRO DS GOTO SkyWatcher

Telescope Esprit ED 100/550 EQ6-R PRO DS GOTO SkyWatcher
We have just been informed by Sky-Watcher of a change on next EQ6-R mounts deliveries, they will be delivered without the Go-To hand controller. To replace this controller, Sky-Watcher will provide a WiFi adapter that will allow the mount to be controlled directly with a smartphone or tablet (control from the free SynScan App with the same features as the hand controller).


Esprit 80ED, 100ED, 120ED and 150ED Super APO refractors have a doublet field flattener to get a flat field and minimize aberration and distortion. Their wide 48mm opener ensures a larger and clearer aperture and also extremely minimized halation. Connect the triplet and doublet field flattener with a high precision thin thread to keep the optical axis perpendicular to the image. 

Main Features: 

- Premium optical materials 

- Short focal length and full frame corrected focal plane 

- Excellent field flatness 

- Precision linear power focuser is standard 

- Metallic high-transmission lens coatings 

- Light-baffled optical systems 

- Telescope tube attachment hardware 

- Zero detectable Colour Fringing even on Bright Objects

- Knife-edge Baffled Optical System


The EQ6-R boasts a number of features to aid astrophotographers. The built in ST-4 Autoguider port turns this mount into an astrophotography powerhouse, allowing you to utilize most of today’s best autoguiders. Using the integrated RS232 port, you can control the telescope from your computer and take advantage of today’s most advanced astronomy software. With a weight capacity of 44 lbs, the EQ6-R can handily support an optical tube, imaging accessories and camera.

Silent Yet Precise Slewing

The EQ6-R Pro uses Stepper motors with a 1.8° step angle and 64 micro steps driven. Stepper motors are quieter than servo motors, providing accuracy up to 1 arc minute without waking your neighbors from buzzing motors.

42,000 Object Database

Using our proprietary SynScan hand controller, the EQ6-R Pro provides a user-friendly interface with automatic slewing to over 42,000 objects in the night sky. The hand controller can also connect to a computer using the supplied RS232 cable (USB adapter available), enabling computer control with most astronomy programs. For the astrophotographers looking to reduce Periodic Error, the SynScan hand controller has built in PEC training that can be configured while in the field!

Flexible Polar Alignment

Sky-Watcher includes an illuminated polar finderscope to aid the polar alignment process. The finderscope features a circular grid reticle for the northern hemisphere, consistent with todays popular polar alignment apps. For astronomers in the southern hemisphere, the constellation Octans is built into the reticle as well. Even without a clear view of Polaris, the EQ Pro can be polar aligned using our SynScan hand controller. Simply choose one of the visible stars listed and use the latitude adjustment screws to center it in the eyepiece.

Bundle of Accessories

As customary with all Sky-Watcher products, an assortment of accessories are included with the EQ Pro mount. A retractable counterweight bar is supplied, allowing for easier transportation as well as two 11-lb counterweights are included to help balance any payload. The EQ Pro features a saddle compatible with both D and V style mounting plates, granting users the flexibility to utilize multiple optical tubes, even if the mounting plate is different.


Optical Design Apochromatic Refractor 

Optical Diameter 100mm 

Focal Length 550mm 

F/Ratio f/5.5 

Highest Practical Power 200x 

Finder Scope 8x50 right angle erect finder 

Focuser Diameter 3" Linear Power Focuser 

Diagnol 2" 90 deg. Dielectric Diagonal with 1.25" adapter 

Tube Weight 6.3 kg 

Tube Dimensions 10.5cmx47cm 

Shipping Weight 23 kg 

Shipping Dimensions 105x39x29 cm3 


Product Name EQ6-R Mount

Mount Type German Equatorial

Payload (Counterweights excluded) 20kg (for Astrophotography)

Latitude Adjustment Range 5º to 65º

Azimuth Adjustment Range About ±9 º

Weight(Tripod excluded) 17.3 kg

Counterweight 2 x 5kg/ea

Tripod 2-inch stainless steel, 7.5kg

Counterweight Rod 18mm Diameter, Length 240mm + 180mm

Power Requirement DC11~16V 4A

Motor 1.8 º Hybrid Stepper Motor

Transmission 180:1 Worm Drive + 48:12 Timing Belt Drive + 64

Micro-step/1.8º Stepper Motor Drive

Gear Ratio 720

Resolution 9216000 Counts/Rev., approx. 0.14 arc-second

Maximum Slewing Speed 4.2 degrees/second

Tracking Rate Sidereal rate, solar rate, lunar rate

Tracking Mode Equatorial mode

Auto-guiding Speed 0.125X, 0.25X, 0.5X, 0.75X, 1X

PEC 100 Segments Permanent PEC

Hand Controller SynScan

Database 42000+ Objects

Celestial Object Catalog Messier, NGC, IC, SAO, Caldwell, Double Star, Variable Star, Named Star, Planets

Pointing Accuracy Up to 5 arc-minutes (RMS)

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