Tele Vue Focuser Extension Tube - 3.5" - X3C-0009 Solar Eyepieces Capable to providing high contrast

Capable to providing high contrast views of both surface and edge detail

Note: Bino-Viewers may not function with some short focal length refractors and Newtonian reflectors without modification

Carrying case fits all of the included items in the die-cut foam interior

Adds an additional 2" of focuser travel

Neutral density Moon filter to increase contrast in lunar views by cutting back the birghtness of the image without changing its color

Tele Vue Focuser Extension Tube - 3.5" - X3C-0009 Solar Eyepieces Capable to providing high contrastAbout the TeleVue 3. 5" Focuser Extension Tube TeleVue Telescope Drawtube Extensions help your telescope reach focus when not using a diagonal as is the case in many imaging applications. They are also useful (with or without diagonal) when you need more out travel for focusing on nearby terrestrial subjects. TeleVue Extention Tubes slip into any telescope''s 2" drawtube and includes brass clamp rings to prevent marring of accessory barrels. TeleVue