Pentax SMC XW 10mm Wide Angle Eyepiece (1.25") - 39x w/ 65mm, 50x w/ 80mm, & 63x w/ 100mm Pentax Scopes Kopul M3001.5-W Along with the battery backup

Along with the battery backup

UPC: 091324259403

Accepts Turtle Base

Samsung Galaxy Tab 10

and auto-play on transition

Pentax SMC XW 10mm Wide Angle Eyepiece (1.25") - 39x w/ 65mm, 50x w/ 80mm, & 63x w/ 100mm Pentax Scopes Kopul M3001.5-W Along with the battery backup70 Apparent Field of View 20mm Eye Relief Waterproof & Fogproof Fits Pentax Spotting Scopes Pentax premium spotting scopes adhere to the American standard of 1. 25" eyepiece thread diameter, facilitating the use of eyepieces from independent manufacturers. That also means, of course, that the wonderful Pentax eyepieces can be used in other telescopes and spotting scopes which accept 1. 25" eyepieces. Pentax eyepieces are a near consensus choice