Borg 55FTF2 – 55FL F3.6 with Feather Touch focuser

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:	Special shipped 15-20 working days

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Frequently bought with this product:

Borg Series 80 Mounting Ring (x1)  + £92.00

About this product

Japanese made Borg 55FL f/3.6 Astrograph features a premium quality Fluorite objective from Canon and a premium quality Starlight Instruments Feather Touch focuser.

Includes a Starlight Instruments Feather Touch 2" dual speed focuser with 0.8" of draw tube travel and a 57mm accessory thread.

Modular Borg design allows you to reconfigure the scope for visual observing or to disassemble it for ultra portability.

Specification

• Aperture: 55mm
• Focal length: 200mm
• F-ratio: 3.6
• Lens configuration: 6 elements including 1 fluorite in 5 groups
• Coating: Fully multi-coated
• Image Circle: 43mm
• Physical length: 180mm
• Tube diameter: 80mm
• Weight: 1.1kg
• Filter: 58mm (front hood) & 52mm ( with part #7000)
• Back focus distance from 7880: 60mm

55mm Fluorite Objective

• Focal length: 250mm (fluorite)
• Native F-ratio f/4.5
• Length: 95mm
• Weight: 205g
• Interface (rear): M57/P0.75
• Interface (front): 58mm filter thread in front of hood

0.8x Reducer

• Four-element reducer
• Back focus distance: 60mm
• Objective side interface: M57 P0.75 male
• Camera side interface: M57 P0.75 female

Components List:

• 2555, FTF-BORGIII, FTF-M57 & 7880

Telescope Field of View Simulator

What's in the box

• 2555 - 55FL Flourite Objective
• 7880 - 0.8x Quadruplet Reducer
• FTF-BORGIII - M77.6 FTF Adapter
• FTFM57 - 2" Feather Touch Focuser

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