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COMPLETED - *Sold* BST ED Starguider 18mm 60 degree eyepiece *As New*

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Posted (edited)

£35 posted UK

Both end caps and original packing.

Two elements out of the 6 optical elements are made of ED (Extra-low Dispersion) glass elements to provide excellent sharpness edge-to-edge, low level of chromatic aberration and very well managed astigmatism, making this eyepiece a real competitor to much more expensive eyepieces. This extremely sharp 60 ° eyepiece has 20 mm eye relief. Distortion stays low even with fast (around f/5) telescopes.

- 20mm eye relief
- 60 degree field of view
- True flat field performance
- 6 lenses in 4 groups
- All lens surfaces are multi-coated  (full multi-coating)
- Rubberised body
- Twist-up eyecup
- weight: approx. 170g




Edited by azrabella
Now sold

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