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£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.
Tele Vue 1.25" 45º 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£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£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).
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.
Tele Vue Enhanced Aluminium 90º 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£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.
Tele Vue Everbrite 90º 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£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" 60º 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.