Optolong 3nm SHO S-II/H-Alpha/O-III Filters - 2" vendor-long-perng and the covers cannot be

and the covers cannot be lost due to their tethered design

There'''s also "Solar System Align" that lets you align on the Sun or Moon for daytime observing it is easy to use this to see planets or bright stars in the day

Made in Taiwan

This iOptron Center Post For Tri-Pier 360 and Permanent Pier is required to attach a CEM 60 or an iEQ45 / iEQ45 Pro Mount onto a Tri-Pier 360 or to a Permanent Pier

Twist-up eyecups are also included

Optolong 3nm SHO S-II/H-Alpha/O-III Filters - 2" vendor-long-perng and the covers cannot beOptolong SHO 3nm Narrowband Filters Introduction Optolong SHO 3nm filter kit includes SII 3nm, H Alpha 3nm, and OIII 3nm narrow band filters, for use with astronomical monochrome cooling CCD and modified DSLR imaging in each single channel. Corresponding with RGB channel (HA, OIII, SII), photographers can also process the data to produce Hubble palette images. The narrowband S II 3nm filter (Sulfur II for CCD) is designed for nebula observation