Orion Premium 7.2mm-21.5mm Eyepiece Product Info

This affordable telescope eyepiece offers versatile viewing options for skywatchers of all levels. The focal length varies from 7.2mm to 21.mm with markings of 7.2mm, 10mm, 13.5mm, and 21.5mm. The Orion Zooom! 7.2mm-21.5mm Telescope Eyepiece's design consists of 7 lens elements in 4 groups and includes fully multi-coated optics for clear, crisp images, a 40-degree field of view at 21.5mm, 60-degree field of view at 7.2mm and a comfortable 15mm eye relief, barrel threaded for Orion 1.25" filters.

Specifications:

• Design Proprietary
• Eyepiece focal length 21.5mm - 7.2mm
• Barrel size 1.25"
• Apparent field of view 40.0° - 60.0°
• Eye relief 15.0mm
• Coatings Fully multi-coated
• Number of elements 7
• Filter threads Yes
• Parfocal Yes
• Field stop diameter 15.4mm
• Barrel security recess Yes
• Blackened lens edges Yes
• Rubber eyeguards Yes
• Body material Aluminum
• Case No
• Weight (oz.) 6
• Dimensions 3.5 in. x 1.9 in.
• Warranty One year

Package Contents:

• Orion Premium 7.2mm-21.5mm Eyepiece