Celestron Oxygen III Narrowband Filter 1.25" (93623) Bino internal parts and housing materials

internal parts and housing materials

Due to the design

25" star diagonals that Celestron has ever offered

This accessory makes it possible to maximize your views through your telescope with your standard 2” diagonal

Please Note: Finderscope rings (F50FB) and accessory shoe mounting bracket extra - either FURB or FURB-SCT

Celestron Oxygen III Narrowband Filter 1.25" (93623) Bino internal parts and housing materialsThe 1. 25" OIII narrowband filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light The 1. 25" OIII narrowband filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the