ZWO 36mm SII 7nm Unmounted Filter (ZWO-SII7NMD36)

ZWO 36mm SII 7nm Unmounted Filter (ZWO-SII7NMD36)Narrowband filter do 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 narrowband S II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation . It is suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants, use it with H

you can add up to 10 additional alignment stars for the most accurate alignment possible

when batteries can lose charge quickly

The Sky-Watcher Esprit 80 is a world class 3" refractor

14 Minimum Magnification 29 Maximum Magnification 400 Light Gathering (compared to next size down) 78% General Info Focuser 2" Dual Speed Crayford OTA Length (Retract/Ext

which has you polar aligned in just minutes

and time-lapse photography

ST4 Port: can be used connect with auto guide port of mount

00 lbs (82

the spiral arms of the far away galaxies

The IMX294 sensor is a BSI (backside illuminated type) sensor

Concerts & live events

Solar and Lunar Tracking Modes: Altazimuth