Vixen A81M Telescope
Product code: 76062
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Vixen A81M TelescopeThis is a perfect telescope for the beginner astronomer as it offers a lightweight and compact design and is supplied with accessories that enable you to get set up simply and quickly.
The A81M is an achromatic refractor with an 81mm objective lens (aperture). Its focal length is 910mm with a focal ratio of f11.2. Its light gathering is 130 times better than the human eye and it has a maximum usable magnification of 144x. Weighing less than 3kg and measuring under 1m in length it is small and light enough to be transported to your observing site for quick set up and viewing.
The tube is supplied with a red dot finder, flip mirror, tube rings and dovetail mounting plate.
Objective lens 81mm achromatic, multi-coated
Focal length (Focal ratio) 910mm (f11.2)
Resolving power, limiting magnitude 1.43 arc sec., 11.2
Light gathering power 134x
Tube size & weight (OD) 90mm x (L) 890mm, 2.5kg (5.5lb)
Finderscope Red dot finder
Adapter thread / visual back 60mm on scope body. 42mm for T-mount and 31.7mm push-fit on flip mirror. 50.8mm option*
Accessories included Dovetail adapter, tube rings, flip mirror & dot finder
Photography** Prime focus, eyepiece projection and afocal imaging Prime focus, eyepiece projection and afocal imaging
*A 50.8mm mirror diagonal or a 50.8mm extension tube is needed to use a 50.8mm eyepiece. **Optional photographic accessories are needed.
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