cart 0

Products

HF2-BT81S-A Binocular Telescope Package

38066-4
Enquiry Item
Share

Enquire for more information or email us specifics at sales@astro.com.sg

'

HF2-BT81S-A Binocular Telescope Package

 

 

 

\"380664_w254_idx49750154.png\"

 

 

 

Specifications

Objective lens 81mm Achromatic, Single coating with Mgfl
Focal length(Focal ratio)
Resolving power /
 480mm (F5.9)
Limiting magnitude 1.43 arc seconds / 11.3
Light gathering power

134x unaided eye

Eyepiece*(Power) 2 x SLV20mm(24X)
Mount Alt-azimuth Fork type
Tripod SXG-HAL130 2-section aluminum legs adjustable from 81cm to 130cm in length
Total weight 14 kg (Without eyepiece)

Note: Eyepieces are sold separately.*2

*1 An optional XY red dot finder or 7X50 finder scope with finder bracket is available for the BT series of Binocular Telescopes.
*2 Both the LV Zoom and NPL eyepieces are not usable on the BT Binocular Telescopes. Be sure to use Vixen eyepieces with a focal length longer than 10mm (medium to low magnification) to prevent from alignment errors at high magnification.

 

 

 

 

'
'

HF2-BT81S-A Binocular Telescope Package

 

 

 

\"380664_w254_idx49750154.png\"

 

 

 

Specifications

Objective lens 81mm Achromatic, Single coating with Mgfl
Focal length(Focal ratio)
Resolving power /
 480mm (F5.9)
Limiting magnitude 1.43 arc seconds / 11.3
Light gathering power

134x unaided eye

Eyepiece*(Power) 2 x SLV20mm(24X)
Mount Alt-azimuth Fork type
Tripod SXG-HAL130 2-section aluminum legs adjustable from 81cm to 130cm in length
Total weight 14 kg (Without eyepiece)

Note: Eyepieces are sold separately.*2

*1 An optional XY red dot finder or 7X50 finder scope with finder bracket is available for the BT series of Binocular Telescopes.
*2 Both the LV Zoom and NPL eyepieces are not usable on the BT Binocular Telescopes. Be sure to use Vixen eyepieces with a focal length longer than 10mm (medium to low magnification) to prevent from alignment errors at high magnification.

 

 

 

 

'