Askar 80ED 80mm F7 Aperture Professional Astronomical Telescope / Astronomical Accessory for 80ED Astrograph
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Specifications
Brand
Product type
Technical specs
Design and durability
Askar 1.25-inch Adapter Ring for 80ED Astrograph
Specification:
- Interface: 1.25-inch
Package Included:
- 1 x 1.25-inch Adapter Ring
Askar F7 1.0x Full-frame Flattener for 80ED Astrograph
Specification:
- (After attaching) 80ED Focal length: 560mm
- (After attaching) 80ED Focal ratio: f/7
- Lens Number: Triplet design (including one ED glass)
- Image circle: APS-C
- Back Focus: 55mm (from the base of M48 male thread)
- Weight: 0.42kg
- Rear-end thread type: M54x0.75; M48x0.75 (M48x0.75 filter thread inside)
Package Included:
- 1 x Flattener
Askar F5.9 0.85x Full-frame Reducer for 80ED Astrograph
Specification:
- (After attaching) 80ED Focal length: 476mm
- (After attaching) 80ED Focal ratio: f/5.9
- Lens Number: Triplet design (including one ED glass)
- Image circle: APS-C
- Back Focus: 55mm (from the base of M48 male thread)
- Weight: 0.44kg
- Rear-end thread type: M54x0.75; M48x0.75 (M48x0.75 filter thread inside)
Package Included:
- 1 x Reducer
Askar F4.9 0.7x Full-frame Reducer for 80ED Astrograph
Specification:
- (After attaching) 80ED Focal length: 392mm
- (After attaching) 80ED Focal ratio: f/4.9
- Lens Number: Triplet design (including one ED glass)
- Image circle: APS-C
- Back Focus: 55mm (from the base of M48 male thread)
- Weight: 0.32kg
- Rear-end thread type: M54x0.75; M48x0.75 (M48x0.75 filter thread inside)
Package Included:
- 1 x Reducer
Askar Eyepiece Set (1.25-inch Zenith Eyepiece + 8mm Eyepiece + 20mm Eyepiece) for 80ED Astrograph
Description:
- 80ED eyepiece accessory set, all with 1.25-inch interfaces, can be used for visual observation. The 1.25-inch positive zenith eyepiece can generate images with positive and non inverted features, making it convenient for land and astronomical observations. The magnification of 8mm eyepiece is 70 times, and the magnification of 20mm eyepiece is 28 times.
Package Included:
- 1 x Zenith Eyepiece
- 1 x 8mm Eyepiece
- 1 x 20mm Eyepiece
Askar 80ED 80mm F7 Aperture Professional Astronomical Telescope
Description:
- The 80ED is a telescope with an aperture of 80mm, a focal length of 560mm, and a focal ratio of F7. The optical lens features a two-element structure, consisting of one ED glass and one standard achromatic glass.
Specification:
- 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
Package Included:
- 1 x Telescope
- 1 x Pair of Tube Rings
- 1 x Handle
- 1 x Dovetail Plate
- 1 x User Manual
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