Pay in 4 interest-free payments of $17.00 Learn more
Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
DSLR photography (astro modified): Excellent for select objects
just press it
the camera is perfect for capturing high-resolution images of galaxies
Two-stage TEC cooling
One-to-many
Optolong H-beta Filters 25nm Size:1.25" DSLR photography (astro modified): ExcellentThis premium Optolong Narrowband H beta filter is designed for nebula observation allowing 25nm bandwidth of light centered on a wavelength of appr 490nm throughout, about halfway between the H beta emission line and OIII. It also reduces the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by
US$ 117.15
US$ 4349.40
US$ 149.60
US$ 179.30
US$ 2786.85
US$ 116.60
US$ 419.10
US$ 3515.60
US$ 1786.40
