Askar 80ED f/7 Doublet Refractor

Parameters

Aperture size

80mm

Focal length

560mm

Focal ratio

f/7

Objective lens

Doublet (including one ED glass)

Total length

404mm(when the dew shield is contracted)       
505mm(when the dew shield is stretched)

OTA weight

1.7kg

Gross weight（including tube ring and dovetail plate）

2kg

Rear-end thread type

2" adapter

Standard package items

a manual

Product Size Diagram

The  Locking Screw Position Diagram

Electronic Focuser Assembly Diagram

Optical Path Diagram

Spot Diagram

Longitudinal Aberration