Premium Aperture and Optics: The Askar 103APO features a 103mm aperture and 700mm focal length with a native focal ratio of F6.8, delivering exceptional light-gathering capability for superior brightness and detailed astrophotography.
Triple APO Lens Design: Incorporates a triplet air-spaced APO lens with ED glass, minimizing chromatic aberration and ensuring sharp, accurate colors across the visual spectrum.
Advanced Reduction Capabilities: Includes options for a 1x flattener, 0.8x reducer, and 0.6x reducer, allowing adjustments to focal ratios for diverse imaging needs without sacrificing field flatness or clarity.
Built for the Field: Features a retractable dew shield, dual-side finder bases for versatile accessory mounting, and a robust handle that doubles as an additional finder scope base.
Durable and User-Friendly Construction: Lightweight yet sturdy, with CNC machined tube rings and a standard Vixen dovetail plate for broad compatibility with equatorial mounts. Optional Losmandy plate available.
Precision Focusing: Equipped with a dual-speed 3.3-inch rack and pinion focuser, compatible with most motorized focusers and designed for minimal light scatter with its anti-reflective, matte internal painting.
Enhanced Viewing Experience: Supports both visual and astrophotographic use with a detachable main tube for fast focal ratio adjustments, ideal for binoviewers and extensive eyepiece compatibility.
Comprehensive Connectivity: Includes a 360° precision rotator with a high-precision scale and secure locking, plus multiple adapter rings (M54/M48, with a 0.6x reducer also offering M68) for seamless integration with various cameras and accessories.
The Askar 103APO stands out as a versatile, high-performance telescope designed for amateur astronomers and astrophotographers alike, providing exceptional quality and flexibility at a competitive price point.
Specifications
Aperture size
103mm
Focal length
700.4mm
Focal ratio
f/6.8
Objective lens
Triplet air-spaced APO (including one ED glass)
Total length
600mm（when the dew shield is contracted） 711mm（when the dew shield is stretched）
OTA weight
4.75kg
Gross weight（including tube ring and dovetail plate）
5.5kg
Rear-end thread type
2"/1.25" visual adapters
Standard package items
a 103APO OTA, a pair of tube rings,a handle,a 290mm Vixen dovetail plate,a manual,an Oxford cloth case
The Locking Screw Position Diagram
Software and Docs
Instruction for Detaching the 103APO Segmented Lens Tube
(suitable for attaching the 0.6x reducer and the binoviewer)
EAF Installation
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