Explore Scientific 4.5 mm LER Waterproof Eyepiece - 82 Deg - 1.25" - EPWP8245LE-01 Astrophotography Mounts utilizes a linear ball bearing

utilizes a linear ball bearing to even further minimize focus shift (unwanted lateral motion of the primary mirror during focusing) and mirror flop (movement of the primary mirror when the telescope is pointing to different positions in the sky)

Paracorr is also compatible with other telescope eyepiece makes

Simply move your scope until the Sun'''s image is centered on the screen of the TeleVue Sol Searcher Sun Finder and the Sun will be in the eyepiece's field of view

internally

Apparent Field of View: 5

Explore Scientific 4.5 mm LER Waterproof Eyepiece - 82 Deg - 1.25" - EPWP8245LE-01 Astrophotography Mounts utilizes a linear ball bearingExplore Scientific 4. 5 mm LER Waterproof Eyepiece 82 Deg 1. 25" Explore Scientific LER Waterproof Eyepiece 4. 5 mm focal length 82 AFOV Waterproof and Argon purged Fully EMD multilayer coated on all surfaces 15. 9 mm Increased eye relief 1. 25" standard barrel size This Explore Scientific 4. 5 mm LER Waterproof Eyepiece 82 Deg 1. 25" size is one of the series of great Long Eye Relief 82 AFOV Argon purged Waterproof Eyepieces from Explore Scientific.