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William Optics Diagonals and Prisms

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William Optics Dura Bright 2'' Dielectric Carbon Fiber Diagonal

William Optics Dura Bright 2" Dielectric Carbon Fiber Diagonal£149.00   £135.00

William Optics 90 Degree 1.25'' Erect Prism

William Optics 90 Degree 1.25" Erect Prism£79.00   £75.00

William Optics 1.25'' 45 degree Erecting Prism

William Optics 1.25" 45 degree Erecting Prism£99.00   £84.00

William Optics 1.25'' RedCat Erecting Prism (for RedCat 51 only)

William Optics 1.25" RedCat Erecting Prism (for RedCat 51 only)£119.00   £99.00

The all new Redcat erecting prism for the William Optics RedCat 51!

William Optics SCT Adapter For 2'' Diagonals

William Optics SCT Adapter For 2" Diagonals£34.00

Adapter replaces the 2" nosepiece fitted to William Optics (and clones) 2" Diagonals to enable direct connection to SCT telescopes.


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Telephone: 01353 776199 or 07990 646466

2 Rosemary Lane, Sutton nr. Ely, Cambridgeshire, CB6 2NZ
Telephone Hours:  
Monday to Saturday - 10:00am-4:00pm
Our showroom is currently closed for visits until further notice.
We are closed on Bank Holidays. Online orders are despatched as normal.