Accessory

Antlia 3nm CaK Herschel Wedge

CaK solar imaging Herschel wedge for refractors

CNC-machined body with multi-coated optics

35mm Herschel prism

Supplied with 1.25 inch CaK 393.3nm 3nm narrowband solar filter

Filter blocking OD5 (200-1200nm) and OD3 (1200-1500nm)

Polycrystalline ceramic diffuser heat trap with cooling vents

Maximum aperture 120mm or focal ratio f/5.5 or slower

Imaging only, not intended for visual use