SV190 Eyepiece 1.25 inch UF18mm Ultra Flat Field FMC for Astronomy

The SV190 eyepiece is designed to provide a sharp and precise image, even at the edges of the field of view. With its 8-element, 5-group design, it offers excellent contrast and high color purity.

Features

• Flat Field: curvature correction for a sharp image to the edges
• Clear image with multi-layer coatings and beveled edges of lenses
• Comfortable: wide 65° viewing angle to keep details in focus across the entire field of view
• Eyepiece system: ability to fold the eyepiece for eyeglass wearers or not, with a M42x0.75 thread for astrophotography

Technical Specifications

• Focal length: 18 mm
• Size: 1.25 inches
• Eye relief: 20 mm
• Lens structure: 8 elements / 5 groups
• Field of view: 65 degrees
• Coatings: fully multi-coated