The Cassini mm Erfle eyepiece is a great addition for any 1." telescope. The Cassini mm Erfle Eyepiece is a 5 element fully color corrected Erfle eyepiece with a very wide apparent field of view of  that offers more eye relief than a Plssl and great quality wide angle viewing.

• Format: 1.&#;
• Focal Length: mm
• Apparent V: 
• Elements: 5
• Design: Erfle
• Fully Color Corrected
• Blackened edge

Specifications

• Assembly

  • Setup Requirements: N/A

• Color

  • Color/Finish: BLACK

• Dimensions

  • Eyepiece Width (in or mm): 1.25
  • Length (in.): 3

• General Features

  • Camera Adaptable: No
  • Night Vision Capable: No

• Product Includes

  • Number of Eyepieces: 0
  • Tripod Included: No

• Product Overview

  • Field of View Distance: N/A
  • Close Focus (in. or ft.): N/A
  • Telescope Type: Accessories
  • Magnification: N/A

• Resistance Features

  • Waterproof: No
  • Water Resistant: No

• Shipping Dimensions

  • length: 9
  • width: 9
  • height: 3

• Warranty

  • General Warranty: 1 YEAR LIMITED MANUFACTURER