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Opticron Binoculars & Telescopes

Astronomy Binoculars

75835 BT125-A

Discontinued January 2015

BT125-AThe BT125-A binocular features a pair of 125mm achromatic objective lenses at f6.1 and 760mm focal length. As with the BT81S, the 45° angled eyepiece holders make for comfortable viewing of the night sky or of distant terrestrial objects. The individually-focused eyepiece holders accept 1.25" eyepieces.

Mounting the binoculars is a simple process as they come supplied with a Vixen dovetail mounting bar for use with equatorial or altaz mounts. The dovetail bar also has 1/4" thread sockets for use with conventional tripod panheads.

An optional altaz fork mount is available and allows the binoculars to be used on the optional SX-HAL130 or SXG-HAL130 tripods. These provide a stable but lightweight tripod base for this excellent "space binocular".

 

Model BT125-A
Objective lens 125mm achromatic, multi-coated
Focal length (Focal ratio) 760mm (f6.1)
Resolving power, limiting magnitude 0.93 arc sec., 12.3
Light gathering power 319x
Dimensions L630 x W360mm
Weight 10.9kg (24lb)
Visual back 31.7mm push fit
Eyepieces (optional) SLV and LVW with 31.7mm are recommended excluding LV8-24 Zoom
Accessories included Finder bracket shoe, carry handle & dew shields

 

Optional Accessories
Please call for information regarding spares and accessories.