| | 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£65.00 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).
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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 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 Enhanced Aluminium 90º DiagonalsFrom: £146.00 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. | |
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 Everbrite 90º DiagonalsFrom: £200.00 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 | Tele Vue 1.25" 60º Everbrite Diagonal£255.00 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. | | |
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