Tele Vue Optics 2” Eyepiece Barrel Extension: Enhancing Your Viewing Experience Key Features: Backfocus Distance Increase: The 2" Eyepiece Barrel Extender (EBX-2120) is designed to extend the backfocus distance, providing...

Tele Vue Optics 3.5” Telescope Extension Tube: Versatile Focusing Solution Key Features: Purpose-Designed for Imaging and Terrestrial Viewing: Ideal for applications where a diagonal is not used, particularly in astrophotography...

Tele Vue Optics 2” Telescope Extension Tube: Versatile Focusing Solution Purpose-Designed for Imaging and Terrestrial Viewing: Ideal for applications where a diagonal is not used, particularly in astrophotography and terrestrial...

Concept: Many of our eyepieces, such as DeLite, Delos, Nagler type 4, 55 Plössl, 41 Panoptic have adjustable height eyeguards to permit comfortable viewing with or without eyeglasses. Other eyepieces such...