Feature

●Guide Scope Objective Lens Diameter 2.1 inch (53.6mm); Focal Length: 190mm. Double-piece glued optical glass lens with FMC HD green coating and smooth spiral focuser is a must-have for any astrophotographer.
●Equipped with two-speed focusing system; stretching fast focusing, red spiral focuser for rotating slow focusing; suitable for accurate focusing and guiding. Allows quick and easy focusing of guide stars.
●M42 external thread at the end of the body is used to connect the SLR cameras adapter & astronomical camera at the end of the mian body, so as to realize the shooting of starry sky; the M42 thread connection is very safe; the connection method is simpler & stable, effectively preventing the camera and eyepiece from rotating.
●Spiral slow focuser travel: 8 mm; position can be locked by tightening the brass nut on the side after focus adjustment is complete. Stretch Quick Focus Travel: 23mm ; lock in position by tightening the brass nut on the side. (Tip: Before rotating the slow focus, tighten the brass nut that fixes the fast focus, so that there will be no slippage when rotating the red slow focus ring.)
●Guide Scope come with two loops and dovetail mounting bar (dovetail specifications: long; 3.54", wide; 1.18") easy to install and compatible with dovetail mounts. There are five threaded through holes at the bottom of the dovetail, which are suitable for a variety of connections.


Description

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Starboosa Guide Scope - With Helical Focuser Finder & Metal Screw Bracket - For Astronomical Telescope

  • 50 Guide Scope Star Objective Glass Diameter 2.1 inch (53.6mm);
  • Focal Length: 190mm. Double-piece glued optical glass lens with FMC HD green coating and smooth spiral focuser is a must-have for any astrophotographer.
  • Equipped with two-speed focusing system;
  • stretching fast focusing, red spiral focuser for rotating slow focusing; suitable for accurate focusing and guiding.
  • Allows quick and easy focusing of guide stars.

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Package Include:

1 x 50 Guide Scope

Starboosa Guide Scope

Specifications:

Specification:

Material: aluminum

Lens Tube: black

Slow Focus Ring: Red

Item Diameter: 53mm/2.1in

Focal Distance: 190mm

Dual Focusing Range: Slow Focus:8 mm ;Quick Focus : 23mm(TOTAL:31mm）

Weight:750g(26.5oz)

Package list:

1 x 50 Guide Scope

For astrophotography

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Guide Scope come with two loops and dovetail mounting bar (dovetail specifications: long; 3.54", wide; 1.18") easy to install and compatible with dovetail mounts. There are five threaded through holes at the bottom of the dovetail, which are suitable for a variety of connections.

Spiral slow focuser travel: 8 mm; position can be locked by tightening the brass nut on the side after focus adjustment is complete. Stretch Quick Focus Travel: 23mm ; lock in position by tightening the brass nut on the side. (Tip: Before rotating the slow focus, tighten the brass nut that fixes the fast focus, so that there will be no slippage when rotating the red slow focus ring.)

Double-piece glued optical glass lens with FMC HD green coating and smooth spiral focuser is a must-have for any astrophotographer.

The T-type M42 external thread is used to connect the SLR cameras adapter & astronomical camera, so as to realize the shooting of starry sky; the M42 thread connection is very safe; the connection method is simpler & stable, effectively preventing the camera and eyepiece from rotating.