Product Specifications:  SV80ST2-25SV 80mm Apochromatic Triplet

 

Description

Options (extra cost)

Objective

80mm diameter, 480mm focal length (f6), apochromatic triplet with Ohara FPL-53 center element

 

Tube Assembly

Machined aluminum tube - instrument white outside, ultra flat black inside

 

Dimensions

The main tube is 3 9/16” in diameter. The complete telescope is 18 3/4” long with dew shield extended and 16” long when retracted.

 

Weight

The optical tube assembly weighs about 5.8 lbs. The dual rings weigh about 1.2 pounds total.

 

Dewshield

4 1/8” diameter fully retracting dewshield with cap

 

Focuser

2 1/2” dual speed Stellarvue rack and pinion focuser threaded for field flatteners, with compression ring and  1 1/4” compression ring adapter

  1. Feather Touch UFFT25

Finder

Optional

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

Rings

Stellarvue R90SET precision hinged rings. Each ring has five 1/4-20 holes top and bottom with one in the center and two spaced 1.5” and 60mm apart. If you prefer the R90C clamshell, contact us and we can exchange it for the dual rings.

 

Plate/Rail

Optional

  1. Vixen Rail TP14
  2. Losmandy Plate TP6

Case

C19 Heavy Duty airline carry-on case

 

Diagonal

Optional

  1. Stellarvue 2” dielectric diagonal UD2

Field Flattener

Optional

  1. SFF7-21
  2. SFF6-25 threaded
  3. SFF3-25 for large chips

Light Gain

131x (human eye = 1)

 

Theoretical Resolution

1.5 arc sec (Dawes Limit)