ZWO 1.25" Ha SII OIII 7nm Narrowband Filter Set (ZWO-NB7NM1.25)

ZWO 1.25" Ha SII OIII 7nm Narrowband Filter Set (ZWO-NB7NM1.25)Narrowband filter does not eliminate the effects of light pollution or increase the objects brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula. The ZWO H Alpha filter has a bandpass of 7nm and passes light at 656nm wavelength, light transmission rate comes up to 80%. Best choice of narrowband H alpha astrophotography filter for high contrast imaging and revealing rich details of the nebula

As a refractor

pre-drilled dovetail base attaches directly to the TeleVue Universal Finder Mount so it can be converted to a quick-release mount

are minimized

it also works astonishingly well for visual use

The Dark Current of ASI071MC Pro is better controlled than before with the help of a DDR buffer and new improved hardware design

this is not a Baader Phantom Group anti-reflection coating

SkySync makes it easier to align your telescope while keeping your date and time updated

25X Triplet Hyperion Zoom Barlow produces better performance using Hyperion Zoom Eyepieces

1 mm LENGTH OF 1¼" BARREL (MM) 24 mm LENGTH OF 2" BARREL (MM) 50

25 Limiting Stellar Magnitude: Ideal: 9

) and the M43/T-2 Adapter for eyepiece projection photography

BaK-4 prisms and fully multi-coated optics utilizing Celestron’s proprietary XLT coating technology