The smc Zoom eyepiece boasts a magnification range of 20-60X, an apparent field of view of 38 to 60 degrees, and an eye relief of 20mm. As with all PENTAX eyepieces, it is distinguished among its peers for its exceptional image reproduction.
JIS Class 6 standard waterproof and fog proof construction means that this Zoom eyepiece is especially suited for use with astronomical telescopes.
Mark S May 12th 2014
|Name||Pentax - SMC ZOOM Eyepiece 20x-60x|
|Manufacturer Part No||PN-70509|
|Angular Field of View||1.9 Degrees - 1 Degree|
|Eyepiece Barrel Size||1.25"|
|Field of View - Real||1.9 - 1 degrees Apparent|