Vixen’s Japanese-made SSW eyepieces provide a full 83º field of view, even if used with fast f4 Newtonians. No need to turn your neck see the edges!
"The Vixen SSW eyepieces produce excellent views and their build quality is beyond reproach, making them an excellent choice for intermediate to advanced observers, but beginners may struggle with eye placement." Steve Richards writing for 'BBC Sky at Night' magazine May 2016.
The new 7-element optical design includes low-dispersion glass materials lanthanum and tantalum.
All air-to-glass surfaces are fully multi-coated (99.5% transmission over visual range 430nm to 690nm) and a new coating has been developed and applied to the glass-to-glass surfaces.
Features include practical colour-coded bodies (violet = short wavelength and short focal length, red = long wavelength and long focal length) and a hexagonal anti-roll design that prevents them rolling off the table!
Weights are 230g for the 3.5 and 5mm, 225g for the 7mm, 220g for the 10mm and 210g for the 14mm. Eye-relief is 13mm.
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Eyepiece Field of View Simulator