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5mm multi-coated prism with aluminised backing for maximum reflectivity and illumination to the autoguider
Superbly Constructed
They are recommended for any kind of telescopes
such as the Schmidt-Cassegrain were reserved for the wealthy
CEM40/CEM40EC (early version with 20mm CW shaft ONLY)iEQ30/iEQ30 ProCEM25/CEM25P/CEM25ECZEQ25AZ Mount ProMiniTower ProMiniTower IIMiniTower
Dual ED Telescope Eyepiece - 5mm William Optics 5mm multi-coated prism with aluminisedAvailable focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1. 25" eyepieces with ED elements delivery outstanding contrast and sharpness. The eyepieces combine these optical qualities with a large 60 degrees field of view for a greater immersion and observation comfort. The field of view is flat free of distorsions and the colours are extremely well corrected. All air to glass surfaces are fully
US$ 10.27
US$ 916005.00
US$ 10000.00
US$ 19.99
US$ 11000.00
US$ 1279395.00
US$ 53.00
US$ 14.85
