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Opticron Binoculars & Telescopes

ED80Sf, ED100Sf

Discontinued February 2013

ED80Sf
Shown with eyepieces sold separately.


72617 ED80Sf
The ED80Sf has a focal ratio of f7.5 and focal length of 600mm making it a perfect “grab and go” refractor for those looking for a portable set up. To reflect this, the telescope is supplied in an aluminium carry case complete with 9x50 finderscope, tube rings and dovetail mounting plate.

 

 

ED100Sf
Shown with eyepieces sold separately.

72618 ED100Sf
The big brother of the ED80Sf, this 100mm telescope offers great value for money by delivering a large aperture and great optics for observation.

 

 

 

Model ED80Sf ED100Sf
Objective lens 80mm ED apochromatic, multi-coated 100mm ED apochromatic, multi-coated
Focal length (Focal ratio) 600mm (f4.5) 900mm (f9.0)
Resolving power, limiting magnitude 1.45 arc sec., 11.3 1.16 arc sec., 11.8
Light gathering power 131x 204x
Tube size & weight (OD) 100mm x (L) 570mm, 3.4kg (7.5lb) (OD) 120mm x (L) 880mm, 3.7kg (8lb)
Finderscope 9x50mm finder, field of view 4.8° 9x50mm finder, field of view 4.8°
Adapter thread / visual back 60mm on scope body. 42mm for T-mount and 31.7mm push-fit on flip mirror. 50.8mm option* 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 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.