Askar SQA85 High-quality quintuplet air-spaced SD glass Petzval Astrograph - ASKAR-SQA85

Aperture size

85mm

Focal length

408mm

Focal ratio

f/4.8

Objective lens

Quintuplet petzval APO（including two pieces of SD glass）

Total length

403mm(when the dew shield is contracted)
439mm(when the dew shield is stretched)

Format specifications

Full-frame

OTA weight

3.64kg

Gross weight（including tube ring and dovetail plate）

4.62kg

Rear-end thread type

M48/M54/M68 adapters

Rear-end connection distance

Support 40-70mm range (Recommended connection length is 55mm)

Standard package items

a SQA85 OTA, an Oxford cloth case