Baader Narrowband CCD 4 Filter Set (Full Frame CCD)CCD Narrowband Filterset 1. 25" or 2" 2mm glass thickness for full frame CCD, consisting of 4 filters: H Alpha 7nm H Beta 8nm OIII 8. 5nm SII 8nm Baader's Premium Narrowband CCD filters are proven to deliver the absolute highest contrast deep sky images in H Alpha, H Beta, Oxygen III, and Sulfur II, take advantage of the absolute shortest exposure times available. Their ultra narrow bandwidths have extremely high transmissions, while completely

providing very good optical performance

or setting it up quickly in your backyard

Eye Relief (mm): 18 mm

com/Helios8x42MistralWP6-162

Slewing to an object on the opposite side of the night sky no longer feels like watching a kettle boil

Recommended for use with our RS-232 cable (CEL93920) and our Programming Cable (CEL93922) which both feature serial connectors

Apparently the meteorite was cold or at best lukewarm when it fell

Supports long exposure time-lapse photography

Absolutely no sag or misalignment

Star Adventurer Mount

High precision

It can get the USB2