Askar 80PHQ The Askar 80PHQ combines a 80 mm aperture with 600 mm focal length at f/7.5. Its air-spaced quadruplet optical system contains two ED elements and incorporates field correction for a 44 mm image circle.
Manufacturer model: Askar 80PHQ · Specifications checked against manufacturer data on 2026-11-04
The Askar 80PHQ combines a 80 mm aperture with 600 mm focal length at f/7.5. Its air-spaced quadruplet optical system contains two ED elements and incorporates field correction for a 44 mm image circle.
Imaging and visual use
At native focal length the optical system does not need an additional field flattener or a single prescribed flattener-to-sensor spacing. Connect the camera within the published accessory-connection limit and bring the target into focus. The connection allowance changes with the chosen rear adapter. Visual use is also supported with a suitable diagonal and eyepiece.
Focusing and camera orientation
A 3-inch rack-and-pinion focuser provides coarse adjustment and 1:10 fine focusing. The graduated 360° rotator lets you frame the target without turning the complete telescope. Threaded photographic adapters provide the interfaces listed below, including an internal M48×0.75 filter thread.
Mounting and supplied equipment
The telescope has a retractable dew shield, tube rings, a multifunction handle and a 300 mm Vixen-style dovetail plate. The technical table separates bare-OTA weight from weight with mounting hardware. A matching 0.76× reducer is optional and has its own connection and spacing requirements; it is not part of the standard native optical system.
Use the manufacturer technical table for lengths: 450/540 mm visual and 480/570 mm photographic. An introductory paragraph rounds the length differently. The table row labelled gross weight actually lists the package contents.
Additional specifications
Length configurations
450mm（including 1.25" eyepiece holder as dew shield contracted） 540mm（including 1.25" eyepiece holder as dew shield fully stretched） 480mm（including the 4-piece adapter as dew shield contracted） 570mm（including the 4-piece adapter as dew shield fully stretched）
77811
Scheda tecnica
Apertura
80mm
Paraluce
Retractable
Coda di rondine
300 mm Vixen-style
Correzione di campo
Integrated; no additional flattener required at native focal length
Filettatura filtro
M48×0.75 inside final adapter
Rapporto della messa a fuoco fine
1:10
Focale
600mm
Rapporto focale
f/7.5
Focheggiatore
3-inch rack-and-pinion, dual speed
Cerchio d'immagine
44mm
Dotazione standard del produttore
An 80PHQ OTA，a pair of tube rings, a handle, an Askar 300mm Vixen dovetail plate, a set of 4-piece photographic adapters, a manual
Collegamento massimo accessori con focheggiatore rientrato
Imaging mode 115mm（from the base of M48×0.75 male thread） 135mm（from the base of M54×0.75 male thread） 155mm（from the base of M68×1male thread） 168.5mm（from the base of M76×1 male thread）; Observing mode 148mm（from the end of 2" eyepiece holder）
Modello
80PHQ
Schema ottico
Quadruplet air-spaced APO (including two ED glass)
Askar 80PHQ The Askar 80PHQ combines a 80 mm aperture with 600 mm focal length at f/7.5. Its air-spaced quadruplet optical system contains two ED elements and incorporates field correction for a 44 mm image circle.
Manufacturer model: Askar 80PHQ · Specifications checked against manufacturer data on 2026-11-04
