Askar 120/840 Triplet OTA | PixelSkiesAstro
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  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro
  • Askar 120/840 Triplet OTA | PixelSkiesAstro

Askar 120/840 Triplet OTA

Askar 120APO The Askar 120APO is a 120 mm aperture refractor with a 840 mm focal length at f/7. Its air-spaced triplet objective contains one ED element and is designed for colour-corrected visual observing and astronomical imaging.

Manufacturer model: Askar 120APO · Specifications checked against manufacturer data on 2026-11-04

Askar 120APO

The Askar 120APO is a 120 mm aperture refractor with a 840 mm focal length at f/7. Its air-spaced triplet objective contains one ED element and is designed for colour-corrected visual observing and astronomical imaging.

Focus and camera orientation

The 3.3-inch rack-and-pinion focuser provides dual-speed adjustment and 100 mm graduated travel. The rear graduated 360° rotator has a separate locking screw for setting the field angle. Two finder bases provide positions for a finder, guidescope or other compatible accessories.

Optical configurations

A dedicated 1× flattener and 0.8× reducer are available separately for photography. Each requires its specified camera spacing. The rear visual assembly accepts 2-inch and 1.25-inch accessories.

Mounting and transport

The telescope has a retractable dew shield, mounting rings, a multifunction handle and a 290 mm Vixen-style dovetail. Published weights distinguish the bare OTA from the complete mounting assembly; use the full imaging-train weight when selecting a mount. The standard package and the exact length configurations are listed below. A camera, diagonal, eyepieces and electronic focuser are separate accessories.

Askar manufacturer documentation

Compatibility notes

Exact named-model manufacturer specification table and operating information checked. Unpublished values are not inferred.

87076

Data sheet

Aperture
120mm
Dew shield
Retractable
Dovetail
290 mm Vixen-style
Finder bases
2
Focal length
840mm
Focal ratio
f/7
Focuser
3.3-inch dual-speed rack-and-pinion
Focuser travel (mm)
100
Length configurations
722mm(when the dew shield is contracted) 804mm(when the dew shield is stretched)
Manufacturer standard package
an 120APO OTA, a pair of tube rings, a handle, an Askar 290mm Vixen dovetail plate, an Oxford cloth case,a manual
Model
120APO
Optical design
Triplet air-spaced APO (including one ED glass)
OTA weight
5.7kg
Rear thread interfaces
2"/1.25" visual adapters
Rotator
360° graduated, lockable
Visual interfaces
2-inch and 1.25-inch adapters
Weight with rings and dovetail
6.5kg
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