Home // 20″ F/3.3

20” F/3.3

See what happens when you combine any TeleVue eyepiece with this scope by clicking here. 
Note that all values given are assuming the use of a Paracorr 2 (strongly recommended at this focal ratio).



* Primary mirror available by USA-made premium optician (contact us for list)
* Secondary Mirror 1/20 wave by Antares Optics
* Mirror 508mm, secondary 114mm (minor axis)
* Mirror Edge Thickness 1.6″
* Mirror Box 27” x 27” x 16.5”
* Rocker box 28.5” x 29.5” x 8”
* Upper Cage 25” diameter x 15” high
* Bearings 28” OD “Crescents”
* Height from ground to eyepiece when pointed vertically 66”
* Height from ground to tip of bearing when mirror box sits in rocker box is 28″
* Fully collapsible truss (8 aluminum tubes, 1 inch OD),
* Spider by Astrosystems
* Focuser is Dual Speed model by Moonlite- Choose custom color!
* Finder scope by Telrad
* Mirror cell 18 point true flotation optimized with PLOP
* Tri-boundary layer fans with on/off switch and adjustable speed knob
* Custom solid oak wheel-barrow handles

Click here to check out all available upgrades

All scopes are built on a made to order basis. An initial non-refundable deposit of 60% down is required. Please contact us for current lead times on this scope. All telescopes receive the same care in building and fine finishing. Updates available upon request during construction.

Total investment* 20″ F/3.3
*Plus shipping and crating, available anywhere in the world.


Call or e-mail with any questions or to place an order.  We look forward to hand crafting your custom New Moon Telescope!