Sky-Watcher Evostar 120EDX OTA | PixelSkiesAstro
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  • Sky-Watcher Evostar 120EDX OTA | PixelSkiesAstro
  • Sky-Watcher Evostar 120EDX OTA | PixelSkiesAstro
  • Sky-Watcher Evostar 120EDX OTA | PixelSkiesAstro
  • Sky-Watcher Evostar 120EDX OTA | PixelSkiesAstro

Sky-Watcher Evostar 120EDX OTA

€1,025.00
Tax included

Evostar 120EDX — 120/900 ED doublet The Evostar 120EDX is the upgraded 120 mm ED doublet with a 900 mm focal length at f/7.5. It combines a low-dispersion objective with MHTC coatings for imaging and visual astronomy.

Manufacturer model: Evostar 120EDX — 120/900 ED doublet · Specifications checked against manufacturer data on 2026-11-04

Evostar 120EDX — 120/900 ED doublet

The Evostar 120EDX is the upgraded 120 mm ED doublet with a 900 mm focal length at f/7.5. It combines a low-dispersion objective with MHTC coatings for imaging and visual astronomy.

Focusing and framing

The 2-inch Crayford focuser has 11:1 fine adjustment and a 2.8-inch indexed drawtube. Its 360° rotatable adapter allows the camera angle to be adjusted for framing. A 2-inch visual adapter accepts a suitable diagonal.

Mechanical design

The internally baffled aluminium tube has a retractable dew shield, rings with a carrying handle and a 45 mm-wide mounting bar. Length is 774 mm retracted and 848 mm extended; OTA weight is 6.74 kg.

Imaging and supplied equipment

The matched 0.85× (20234) reducer/flattener is optional. Sky-Watcher specifies 44 mm image height with that corrector fitted. An aluminium carrying case is supplied; eyepiece, star diagonal and finderscope are not included.

Sky-Watcher manufacturer documentation

Additional specifications

Optional reducer flattener0.85× (20234)
Corrected image height (mm)44
Corrected field conditionWith the specified optional reducer/flattener
Highest potential magnification360
SW0506

Data sheet

Aperture (mm)
120
Camera rotation
360° rotatable drawtube adapter
Case
Aluminium
Coatings
MHTC multi-coated
Dew shield
Retractable
Dovetail width (mm)
45
Ed glass
Ohara FPL-53
Focal length (mm)
900
Focal ratio
f/7.5
Focuser
2-inch Crayford; dual-speed 11:1
Indexed drawtube diameter (in)
2.8
Model
Evostar 120EDX — 120/900 ED doublet
Mounting
Tube rings and carrying handle/accessory rail
Not included
Eyepiece, star diagonal and finderscope
Optical design
ED doublet apochromatic refractor
OTA length extended (mm)
848
OTA length retracted (mm)
774
OTA weight (kg)
6.74
Tube material
Internally baffled aluminium
Visual adapter (in)
2
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