||ED Doublet, Air Spaced,
Fully Multi-Coated, SMC coating.
||50.8mm(2") Anniversary V-Power Focuser
with 1:10 Dual Speed microfocuser
45 mm(1.77") Focuser Travel Length
||Brass Compression Rings
Integrated L Bracket - Length 90mm (Vixen Style fits SmartEQ mount)
||93 mm (3.66")
||300 mm Fully Retracted
340 mm Fully Extended
||4.96 lbs. (2.25 kg)
Specification for Apochromatic Lenses
All WO refractors objective are double tested and inspected before shipping to our customer, these telescopes are free of coma and astigmatism.
Since all individual lens surfaces are machine coated sometime it could have visual imperfections which do not affect the objective optical performance.
Dimensions of scratches and points shall not exceed the following values:
Surface finish class Scratches Points Accumulation of defects Width,not more, mm Total length, not more, mm, Diameter no more,mm, Quantity, no more Diameter.
||Width, not more, mm
|Total length, not more
||1/4 of total lens diameter.
Quantity no more 3
|Dots or spot points
||No more, mm
|Quantity, no more
|Accumulation of defects
||Limited area, mm
|Total area of scratches and points, no more, square mm