Borg 50mm Achromatic f/5 Guide Scope Set (Helical Focuser) for T-threaded Cameras

Borg 50mm Achromatic f/5 Guide Scope Set (Helical Focuser) for T-threaded Cameras

£359.00✓ 2 year warranty

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Special - Shipped 10-15 working days.

About this product

Model:  borg_50_ag50t2
Part Number:  AG50T2

High quality 50mm Achromatic f/5 Guide Scope for T-threaded Cameras.

Includes a Borg Helical focuser for precise dependable focusing. 

Specification

  • Aperture: 50mm
  • Focal length: 250mm
  • F-ratio: 5.0
  • Lens configuration: 2 elements in 2 groups
  • Coating: Fully coated
  • Physical length: 245mm
  • Tube diameter: 60mm
  • Weight: 345g
  • Filter: 52mm (front hood)
  • Parts included: 2050, 2 x 7604, 7603, 7522 & 7315

50mm Achromatic Objective

  • Focal length: 250mm
  • F-ratio f/5
  • Length: 52mm
  • Weight: 100g
  • Interface (rear): M57/P0.75
  • Interface (front): 52mm filter thread in front of hood

Precision helical focuser

  • Length: 50-60mm (45-55mm Optical Path)
  • Moving Distance: 10mm
  • Weight: 80g
  • OD: 44mm
  • ID: 27mm
  • Connections: The objective side: 36.4P1 male eyepiece side: 31.7 sleeve M42P0.75 male

What's in the box

  • 2050 - Mini 50 Objective Assembly
  • 7604 x2 - M57/60 L 60mm Extension
  • 7603 - M57/60 M 40mm Extension
  • 7522 - M57 to M36.4 / M42p0.75 T-thread Adapter
  • 7315 - Helical Focuser S

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