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In excellent condition, comes with all the original included accessories and case.

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...

In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...

In perfect condition, open box Filter size 31 mm - round, unmounted - filter thickness 2 mm Set of L-R-G-B filters High-quality anti-reflective ...

In pristine condition, as new.

In excellent condition!

This telescope is a return from a client (due to size), it was assembled then dissassembled to ship it back to us. Comes with all original packagi...

In good condition, minor cosmetic damage on the dovetail and eyepieces/diagonal barrels The Sky-Watcher Skymax Maksutov-Cassegrains are the ultima...

In pristine condition, as new!

Used, but in excellent condition.

In near mint condition. Comes with its case in the original box.