Sky-Watcher Evostar 80EDX OTA | PixelSkiesAstro
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  • Sky-Watcher Evostar 80EDX OTA | PixelSkiesAstro
  • Sky-Watcher Evostar 80EDX OTA | PixelSkiesAstro
  • Sky-Watcher Evostar 80EDX OTA | PixelSkiesAstro
  • Sky-Watcher Evostar 80EDX OTA | PixelSkiesAstro

Sky-Watcher Evostar 80EDX OTA

€525.00
Tax included

Evostar 80EDX — 80/600 ED doublet The Evostar 80EDX is the upgraded 80 mm ED doublet with a 600 mm focal length at f/7.5. It combines a low-dispersion objective with MHTC coatings for imaging and visual astronomy.

Manufacturer model: Evostar 80EDX — 80/600 ED doublet · Specifications checked against manufacturer data on 2026-11-04

Evostar 80EDX — 80/600 ED doublet

The Evostar 80EDX is the upgraded 80 mm ED doublet with a 600 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 475 mm retracted and 557 mm extended; OTA weight is 4 kg.

Imaging and supplied equipment

The matched 0.85× (20236) reducer/flattener is optional. Sky-Watcher specifies 30 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× (20236)
Corrected image height (mm)30
Corrected field conditionWith the specified optional reducer/flattener
Highest potential magnification240
SW0504

Data sheet

Aperture (mm)
80
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)
600
Focal ratio
f/7.5
Focuser
2-inch Crayford; dual-speed 11:1
Indexed drawtube diameter (in)
2.8
Model
Evostar 80EDX — 80/600 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)
557
OTA length retracted (mm)
475
OTA weight (kg)
4
Tube material
Internally baffled aluminium
Visual adapter (in)
2
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