Borg Helical

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Borg Helical Focuser S 7315

Borg Helical Focuser S 7315£92.00

The Borg Helical Focuser S is non-rotatable, accepts 1.25' eyepieces, cameras and accessories, has a T-thread at the rear and will accept an optional Borg 1.25" nosepiece 7316 (shown in photo). In addition to visual use the focuser is an excellent choice for fine focusing CCD, digital still and video cameras.

Borg Helical Focuser M 7835

Borg Helical Focuser M 7835£175.00

The Borg Helical Focuser M is 'standard issue' for the Borg 71FL and 77ED series.

In addition to being a standard component on Borg scopes, a common use for a Borg helical focuser is to add it on to an SCT or any other scope with a coarse focuser such as a rack-and-pinion focuser. Especially in the case of SCT's this allows for fine focus positioning without the annoying image shift which is often large enough to move a target off a small imaging or guiding CCD chip. 

Borg M57 Helical Focuser DX LII (7860)

Borg M57 Helical Focuser DX LII (7860)£259.00

The Borg M57 Helical Focuser DX is available in two lengths.

The longer DX LII is 'standard issue' for the Borg 60ED and has the longest focus travel of all Borg Helical focusers. Both models have two locking screws (useful for imaging applications) and large 51mm internal diameters.

Borg M57 Helical Focuser DX Low Profile (7758)

Borg M57 Helical Focuser DX Low Profile (7758)£235.00

The Borg M57 Helical Focuser DX is available in two lengths.

The longer DX LII is 'standard issue' for the Borg 60ED and has the longest focus travel of all Borg Helical focusers. Both models have two locking screws (useful for imaging applications) and large 51mm internal diameters.


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