Pentax 7mm XW Series 1.25" Eyepiece (70513)

Pentax 7mm XW Series 1.25" Eyepiece (70513)Clear, Comfortable Viewing Assured by 70 Apparent Angle of View and 20mm Eye Relief. All Smc PENTAX XW series eyepieces feature an extra wide 70 degree apparent angle of view and an extra long 20mm eye relief to deliver an exciting, wide perspective image. High Grade Optics for Exceptional Image Quality. The high performance XW series optics incorporates high refraction, extra low dispersion lanthanum glass elements to produce a well balanced image

Introduced at the 2007 Northeast Astronomy Forum

This dovetail bar kit allows you to replace the wider CGE dovetail bar found on most Celestron 11” Schmidt-Cassegrain and 11” EdgeHD optical tubes with a narrow dovetail

Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar® Safety Film OD 5

000+ object database

47") Apparent Field of View 60 degrees Eye Relief 16mm (0

but do not perform half as well as products using Sorbothane®

they enable precise fine-tuning of the sensor plane for accurate alignment with the telescope's optical axis

the distortion is reduced to a minimum and the eyepiece can be made much smaller and lighter

It is designed with cinching straps to firm up the pocket when in use and to hide it when empty

RSR “Reflex Sight Ready” Rail

You will find that the original "Baader Moon&Skyglow" filter has the highest transmission and is blocked in the UV/IR

Optolong improved narrowband SII6