Askar V Exchangeable 60mm and 80mm Astrograph - ASKAR-V Optolong Filters and enhance the wave length

and enhance the wave length of Hα and OIII

Though quite safe with careful use

About the Meade Series 4000 Super Plossl 9

Manufacturer: Telrad Telrad Product SKU: 1001 Window dimension: 1-5/8" x 1-3/8" Magnification: 1x Housing: Black finish

Askar V Exchangeable 60mm and 80mm Astrograph - ASKAR-V Optolong Filters and enhance the wave lengthAskar V Exchangeable 60mm and 80mm Astrograph Have you every wanted to easily change your focal distance to meet your imaging needs? Now you can with the worlds first exchangeable astrograph system. Easily swap between apertures, focal lengths, and reducers to suit your shot! No more extra rigs. Focal range adjustable from 270mm up to 600mm using included main optics, reducer, and extender Replaceable objective lens can change from 80mm to 60mm