Product Specifications:  SV70ED Doublet Refractor

 

Description

Options (extra cost)

Objective

70mm diameter, 420mm focal length (f6), air spaced ED doublet

 

Tube Assembly

Machined aluminum tube -Stardust White outside, ultra flat black inside

 

Dimensions

OTA: 11 3/4” long, 3 1/4” diameter; 15 1/4” long with dew shield extended

 

Weight

4.5 lbs with mounting base attached

 

Dewshield

93mm diameter 6” long fully retracting dewshield with cap

 

Focuser

2” dual speed Crayford focuser with compression ring and  1 1/4” compression ring adapter

 

Finder

Optional

  1. Red Dot Finder F1001/F1001C
  2. Multi-retical Finder F2/F2A
  3. Optical Finder F50M2/R50A

Rings

Aluminum mounting base (easily removed) using Vixen-sized dovetail and two 1/4-20 threaded holes on bottom, 40mm apart

 

Plate/Rail

None

 

Case

Small foam-lined airline travel case - holds scope and some accessories

 

Diagonal

Optional

  1. Stellarvue 2” dielectric diagonal UD2

Field Flattener

Optional

  1. SFF6

Light Gain

100x (human eye = 1)

 

Theoretical Resolution

1.7 arc sec (Dawes Limit)