Founder Optics 1.25" Dielectric Diagonal Mirror - DIA1.25-M (Pre-owned) Counterweight Shafts & Bars Altair 4nm Ha Oiii DualBand

Altair 4nm Ha Oiii DualBand ULTRA Filter Technical Specifications:

The Sky-Watcher Star Adventurer GTi is the perfect mount for any astrophotographer who values both performance and portability

it will be way easier to find focus between your guide camera and imaging camera at the same time

Compatibility: Nexstar GT

The center column of the Hummingbird tripod can be extended to raise the tripod head when additional height is needed

Founder Optics 1.25" Dielectric Diagonal Mirror - DIA1.25-M (Pre-owned) Counterweight Shafts & Bars Altair 4nm Ha Oiii DualBandUsed diagonal, in excellent condition! If you're looking for a nice 1. 25" diagonal for your refractor, this model from Founder Optics will do the trick. The compression ring twists to lock in 1. 25" barreled accessories without marring and fiddling with small screws in the dark. The telescope side slides into 1. 25" focusers. This Founder Optics 90 degree mirror diagonal has a dielectric coating with over 99. 99% reflectivity for bright images.