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Vixen BT-ED70S-A Astronomical Observation Binoculars

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Model
74305
Weight
6.00 kg
Our price:
£1999.00
including VAT 20.00 % ( £333.17 )
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The BT-ED70S-A uses ED (extra low dispersion) optics to reduce the effects of chromatic aberration. As a result, this lightweight astronomy binocular delivers superb images of the moon and planets and is also perfect for viewing double stars and other colour critical objects.

Designed for use with Vixen's SLV range of eyepieces, this binocular is very portable at just 4kg and can be used with either Vixen's HF2 fork mount or a conventional video panhead.

As with the other models in the range, the ED70S is also well-suited to long distance terrestrial observation. It's stylish and clean design makes it a great choice for riverside, coastal or rural properties with balcony views.

Note: The BT81S-A is not designed for viewing at high magnification. Use of eyepieces with focal length shorter than 10mm is not recommended. Eyepieces are not supplied as standard with the BT-ED70S-A or BT81S-A.

Images are for demonstration purposes only. Fork mount and tripod are not included.

Model BT-ED70S-A BT81S-A
Objective lens D=70mm F=400mm ED Apochromatic, multi-coated D=81mm F=480mm Achromatic, single coating with Mgfl
Limiting magnitude 11.0 11.3
Light gathering power 100x 134x
Dimensions L400 x W190 x H155 L480 x W190 x H155mm
Weight 4.0kg (8.8lb) 4.1kg (9lb)
Visual back 31.7mm push fit 31.7mm push fit
Eyepieces (optional) SLV and LVW with 31.7mm are recommended excluding LV8-24 Zoom SLV and LVW with 31.7mm are recommended excluding LV8-24 Zoom
Accessories included Finder bracket shoe, carry handle & dew shields Finder bracket shoe, carry handle & dew shields

Optional Accessories

Fork Mount
78062 HF2 Fork Mount
Provides an easy-to-use friction controlled altazimuthal mounting for the Vixen range of astronomy binoculars and other optical devices. The fork mount comes complete with a half-pillar to raise the binoculars to a comfortable viewing height. Fits onto the SXG-HAL130 or SXG-AL130 tripods. (73798 Swing Bracket required for use with BT-ED70S-A and BT81S-A.)
Weight: 3.4kg
Maximum loading weight: 13kg
73798 Swing Bracket for HF2 Mount
Required to allow the 78062 Fork Mount to be used with astronomy binoculars and any other optical devices which have a 1/4" screw thread socket.

 

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