William Optics Guide Star 61

William Optics Guide Star 61

Technical Specifications

Focal Ratio f/5.9

Optical Design Refractor

Telescope Aperture 61mm (2.4″)

Telescope Mount Type No Mount – OTA Only

Type of Electronics OTA Only – No Electronics

Number of Refractor Elements 2 (Doublet)

Focal Length (mm) 360

Telescope OTA Length (in.) 13.4

Telescope OTA Weight (lb.) 3.2

In the Box

• William Optics Guide Star 61
• Soft Carrying Case
• Tube Rings with Handle
• Vixen-style Dovetail
• Extension Tube

Warranty & Manuals

William Optics 2-Year Warranty