Description
Specifications:
|
Type |
Refractor |
|
Build type |
Achromatic doublet lens |
|
Glass grade |
S-FPL51 |
|
Aperture |
70mm/ 2.75 inches |
|
Focal length |
420mm |
|
Aperture ratio |
f / 6 |
|
Resolution |
1.97′ |
|
Limit value |
11.3 |
|
Spotlight capacity |
100x |
|
Maximum useful magnification |
140x |
|
Tube weight |
2.22kg |
|
Tube outer diameter |
88mm |
|
Tube |
Aluminum |
|
Coating |
SMC |
Fouser:
Build type
RAP ((rack and pinion))
Connection
2 inches
Connection thread socket
M54 * 0.75
Ring clamp
Yes
Rotation
Yes
Reduction ratio
1:10 fine motion
Features:
1. The high quality objective lens provides clear and high contrast images for travel and mobile use.
2. This 70F6 ED refractor is the ideal telescope, the telescope weighs only about 2.22 kg and is only 301 mm / 11.85 inches long due to its retractable exposed cap.
The 3.2-inch RAP (rack-and-pinion) focuser securely holds heavy photographic accessories.
4. The 1:10 miniature is ideal for astrophotography and allows for precise focusing.
5, Recommended for advanced: The telescope is suitable for experienced observers as well as aspiring beginners.
6. Application areas: astrophotography, lunar and planetary, nature observation, nebulae and galaxies.
Package Included:
1 x Astronomical Telescope
1 x Eyepiece adapters
1 x Dew shield
1 x Lens cap
1 x Dust cover
1 x Dovetail plate
1 x Optical tube ring
