he PENTAX XF12 is ideal for outdoor viewing and bird watching. This high-performance unifocal eyepiece offers a focal length of 12mm, provides bright, high-contrast images, and features an extendible eyepiece ring with four click-stop positions.

Lens Structure: 6 elements, 4 groups
Magnification: 32.5X
Real Field of View: 1.8 degrees
Apparent Field of View: 60 degrees
Field of View at 1000m: 31m
Field of View at 1000 Yards: 93 ft.
Exit Pupil: 2.0mm
Eye Relief: 18mm
Field Stop Diameter: 12.8mm
Relative Brightness: 4.0
Height & Width: 3.1\" x 1.7\"
Weight: 5.5 oz. (155g)

The compact PENTAX XF series is ideal for planetary observations as well as general outdoor viewing. Each eyepiece provides a 60-degree field of view and also features smc full-surface multi-layer lens coating for improved light transmission and high-refraction, low-dispersion glass elements for high-resolution images with minimal aberrations. These eyepieces may also be used with PENTAX PF-65ED and 65ED-A spotting scopes.