Diagonals

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William Optics 2'' 45 degree Erecting Prism

William Optics 2" 45 degree Erecting PrismPlease Contact Us

A premium quality 2" 45 degree erecting prism with William Optics fit and finish throughout! 

William Optics SCT adapter for 2'' diagonals

William Optics SCT adapter for 2" diagonals£34.00

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

Sky-Watcher 45 Erecting Prism

Sky-Watcher 45 Erecting Prism£35.00

A straightforward 45º Erecting Prism with 1.25" nosepiece. Suitable for use with Refractors, Maksutov and Schmidt-Cassegrain telescopes to produce a correctly orientated view and a more comfortable viewing position.

Sky-Watcher 90 Erecting Prism

Sky-Watcher 90 Erecting Prism£35.00

A straightforward 90º Erecting Prism with 1.25" nosepiece. Suitable for use with Refractors, Maksutov and Schmidt-Cassegrain telescopes to produce a correctly orientated view and a more comfortable viewing position.

William Optics 1.25'' 90 degree Erecting Prism

William Optics 1.25" 90 degree Erecting Prism£59.00

William Optics 1.25" 90° Erecting Prism with helical focuser for fine adjustment.

Turns upside-down views right-side-up and gives correct left-to-right orientation. 

Tele Vue 1.25'' 45 Erecting Prism Diagonal

Tele Vue 1.25" 45 Erecting Prism Diagonal£63.00

While star diagonals correct a refractor's inverted image, they don't correct the left-right orientation. For terrestrial viewing, choose an erecting prism to achieve a natural view.

William Optics 1.25'' 45 degree Erecting Prism

William Optics 1.25" 45 degree Erecting Prism£84.00

William Optics 45° Erecting Prism will work with 1.25" eyepieces and telescopes with 1.25" eyepiece holders. It turns upside-down views right-side-up and gives correct left-to-right orientation.

Sky-Watcher 2'' Di-Electric Star Diagonal

Sky-Watcher 2" Di-Electric Star Diagonal£89.00

The mirror in this 2-inch diagonal has undergone a high-reflectivity multi-coating process that enables it to reflect 99% of the gathered starlight for exceptional brightness and contrast (standard diagonals typically reflect 90-95% of light).
 

William Optics 1.25'' DURA-BRIGHT Dielectric Diagonal

William Optics 1.25" DURA-BRIGHT Dielectric Diagonal£92.00

Offers a noticeable improvement in brightness, contrast and overall sharpness when compared to budget diagonals!

Takahashi 1.25'' Multi-Coated Prism Diagonal

Takahashi 1.25" Multi-Coated Prism Diagonal£99.00

Takahashi 1.25" multi-coated prism diagonal featuring a strong, secure compression fitting.

Vixen Flip Mirror

Vixen Flip Mirror£99.00

This useful star diagonal for 2" focusers accepts two 1.25" eyepieces and incorporates a flip-mirror that enables you to switch between them for alternate views.

The 1.25" eyepiece holders can also be unscrewed to reveal industry-standard T2 42mm threads that will accept a 35mm camera fitted with a T-ring.

William Optics Star 71 Dielectric Diagonal

William Optics Star 71 Dielectric Diagonal£119.00

Dedicated 1.25" dielectirc mirror diagonal made especially for use with the William Optics Star 71 apo refractor telescope. Allows you to use this scope visually with any 1.25" eyepiece.

Tele Vue Enhanced Aluminium 90 Diagonals

Tele Vue Enhanced Aluminium 90 DiagonalsFrom:  £121.00

The 2" Enhanced Aluminium mirror coating provides a 96% reflective surface across all but the extreme ends of the visual spectrum. The enhanced coating provides extra reflectance versus competing standard Aluminium coatings.

William Optics 2'' Dielectric Diagonal

William Optics 2" Dielectric Diagonal£135.00

Premium quality William Optics diagonal with 12mm mirror thickness, dielectric coating and 1/12th lambda surface accuracy.

The fit, finish and attention to detail is second to none! 

Supplied with 2" nosepiece. Optional SCT adapter also available. 

Takahashi F/6.2 Flattener For FS-60CB

Takahashi F/6.2 Flattener For FS-60CB£169.00

The Takahashi FS-60C f/6.2 flattener is optically-matched to the FS-60CB telescope for highest performance.

Tele Vue Everbrite 90 Diagonals

Tele Vue Everbrite 90 DiagonalsFrom:  £175.00

Whiter and brighter images. Simply put, that is the benefit the Everbrite mirror coating. This exotic, dielectric, nonmetallic coating is 99% reflective across the full visual spectrum, resulting in the "whitest," most natural image available

Baader ClickLock 2'' DiElectric Star Diagonal

Baader ClickLock 2" DiElectric Star Diagonal£199.00

This finely crafted 2" dielectric 1/10 wave diagonal from Baader Planetarium features their patented ClickLock system for fast and secure clamping of 2" eyepieces and accessories. 

Tele Vue 1.25'' 60 Everbrite Diagonal

Tele Vue 1.25" 60 Everbrite Diagonal£229.00

This is an entirely new angle for Tele Vue! It's a real breakthrough for birding and terrestrial viewing; the perfect combination of comfort and performance.

Baader CoolCeramic Herschel Wedge Solar diagonal

Baader CoolCeramic Herschel Wedge Solar diagonalFrom:  £389.00

The Baader 2" Herschel Safety Wedge Solar Prism provides high contrast detailed white light solar views. 

 

Page 1 of 1:    19 Items
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