Celestron Ultima20-60x80 A monocular telescope - goods from the general agent company
Order number
2252700052
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Product specifications
|
gain
|
20～60x |
|
Objective lens diameter
|
80mm |
|
Eyepiece focal length
|
8mm to 24mm |
|
Field of view
|
2.0° to 1.0° |
|
Linear field of view
|
At 1000m, 32m (20x) to 16.15m (60x) |
|
Objective focal length
|
480mm |
|
ejection pupil
|
4mm～1.3mm |
|
Good viewing distance
|
18mm |
|
recent focus
|
8m |
|
Glimmer coefficient
|
59.5 – 34.3 |
|
relative brightness
|
60.2 – 40 |
|
lens coating
|
Fully multi-layer coating |
|
Material
|
FMC, Full Multi Coating |
|
Coating
|
BaK–4 |
|
Waterproof performance
|
Nitrogen-filled and waterproof |
|
tripod connection
|
Tripod can be connected |
|
Accessories
|
The zoom eyepiece has M42 threads and can be connected to an external camera adapter, protective sleeve, objective lens cover, eyepiece port cover, eyepiece carrying tube, cleaning cloth, and instruction manual. |
|
size
|
490mm x 90mm x 190mm |
|
weight
|
About 1616 g |
|
Warranty
|
1 year |
