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BST StarGuider 60º 12mm ED Eyepiece

£47.00

(1 Review)

✓ 2 year warranty

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About this product

Model: bst_sg_12
Part Number: SP10853

BST StarGuider ED eyepieces offer remarkably high performance-per-£!

Features include two ED glass elements and fully multicoated edge-blackened optics for excellent colour, enhanced contrast, high light transmission and minimal ghosting.

The six-element / four-group design minimises field curvature for a nice flat field, even when used with telescope f-ratios as low as f5.

Modern twist-up eyecups, 16mm eye relief and 21mm diameter eye-lens makes them comfortable to use, even when wearing eyeglasses.

The tactile rubber grip and milled indentations make them easy to handle in the dark and the 1.25“ nosepiece includes a safety undercut so the eyepiece is less likely to slip out of the focuser. The 1.25” nosepiece is also threaded to accept 1.25“ astronomy filters.

FEATURES

Two ED glass elements minimise chromatic aberration.
All air-to-glass surfaces are fully multicoated for high contrast, high light transmission and minimal ghosting.
Blackened lens edges reduce internal reflections and further increase contrast.
Six-element / four-group design minimises field curvature for a nice flat field.
16mm eye relief (suitable for spectacle wearers).
Large 21mm eye-lens diameter for comfortable observing.
Convenient screw-out eye cups.
Tactile rubber grip for easy handling in the dark.
1.25“ nosepiece with milled safety undercut.
Accepts 1.25“ astronomy filters.
Suitable for use with telescope focal-ratios f/5 and above.

Eyepiece Field of View Simulator

Customer reviews

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BST Starguider 12mm ED

Sunday, 16 April 2017 | Julian

This is my workhorse EP in my 120ED Evostar pro, very good quality but more important extremely sharp views, its hard to think of an alternative that does not cost 2-3 times the price of these, i had the 18mm a while back and found it hard to tell the views apart from a Baader genuine ortho 18mm. If your looking for a decent eyepiece and cost is important give these a try