Celestron 1.25" Observers Accessory Kit Extensions 2 x GPIO ports supports:

2 x GPIO ports supports:

The blockers let you separate keys into groups by function

resulting in the LTO Ultrium 7 cartridge having dramatically higher capacity compared to past generations of LTO cartridges

For Triggering Flash Units

Extension Range 25" (63

Celestron 1.25" Observers Accessory Kit Extensions 2 x GPIO ports supports:1. 25" Diameter Accessories 6mm and 17mm Plossl Eyepieces #25 Red and #80A Blue Color Filters Neutral Density Moon Filter Barlow T Adapter Combo Molded Plastic Case Celestron put together this Observers Accessory Kit to give users the essentials for observation and astro imaging. This kit includes two Plossl eyepieces that yield high and low magnifications on any given telescope, two planetary color filters, and a neutral density Moon filter. This kit