Tele Vue Nikon Wide 2.4" T-Adapter Refractor A plastic spiral comb holds

A plastic spiral comb holds the pages together securely

and a V-style dovetail plate

TV-NP101/(is) or any telescope with outside tube diameter of exactly 4-inches

This exciting little high contrast eyepiece looks like a 19mm Panoptic

Tele Vue Nikon Wide 2.4" T-Adapter Refractor A plastic spiral comb holdsNikon F Mount Wide T Adapter for Tele Vue Imaging System The typical T ring telescope setup does not take advantage of the wide aperture of the bayonet mount: significant vignetting is caused by the constriction of the T ring opening. Our new Nikon F Mount Wide T Adapter with Bayonet (NWT 2073) connects to Nikon F mount camera in place of the T ring and provides 13% greater aperture to minimize vignetting. The other side of this adapter fits our