Telescopes & Focusers

Spotting Scopes

Monoculars

Binoculars

Digital Rangefinders (patented)

Boresighters

Eyepieces & Diagonals

Accessories


 
 

D66 f/6 ED APO refractor OTA

D66 f/6 ED APO refractor OTA
S400-C
   

Features

* Extra-low Dispersion (ED) objective lens
* 11:1 dual-speed focuser
* Graduated scale mark on drawtube
* Precision CNC-machined all-metal construction
* Superior, lasting anodizing finish
 
Specifications
Objective Lens Diameter 66 mm
Focal Length 400 mm
F-number 6
Focuser 1.25" Crayford dual-speed focuser
Lens Coating Fully multi-coating
Housing Materials Aluminum
Finish Premium high-glossy anodizing finish
Weight (approx.) 1.8 kg / 4.0 lbs
Size (approx.) 310 mm / 12.2 in.
Standard Accessories 11:1 dual-speed fucuser
Deluxe aluminum case
Optional accessories

Universal Digiscoping Adaptor 28mm~45mm

An exceptionally convenient instrument to couple digital cameras with scopes to take photos. No additional adaptor is required.

Universal Digiscoping Adapter 43mm~65mm

An exceptionally convenient instrument to couple digital cameras with scopes to take photos. No additional adaptor is required.

Star Diagonals

Mirror star diagonals come in two sizes - 1.25” and 2”. Two high-reflectivity coating are for option.

Prism Erect Image Diagonals

Prism erect image diagonals come in two sizes – 1.25” and 2”. Two viewing angles are available for option.
 

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