outdoor telescope 7-21X40, zooming

outdoor telescope 7-21X40, zooming

Model No.︰-

Brand Name︰outlook

Country of Origin︰-

Unit Price︰-

Minimum Order︰-

Inquire Now

Product Description

 zoomable telescope 7-21X40
model:7-21X40
filming:blue film
Lens magnification:7-21
object lens diameter:40mm
Type of Prism: Paul/ K9
Exit pupil diameter:5.71mm 
Exit pupil distance:13.4mm
Field of view:55M/1000M
Relative brightness: 32.6
Dusk index:16.73
Overall dimensions:19x5.8x17.5cm
packing box:20.5x8.5x21.2cm
Net weight: 700g
Gross weight:950g
 
Composition:packing box,Chinese manual,certificate,wiping cloth,eyepiece & object lens cover, desiccant,soft packing.

Specifications︰ 7-21X40

Advantages︰ When using zoomable telescopes, you can switch to high magnification mode easily without loosing track of the target.