ETC CALS450 50-Degree Lens Tube 100020703 6 x 210 mm)
Baker’s notes & crumb story
Description
ETC CALS450 50 Degree Lens Tube 100020703 6 x 210 mm) 6 x 210 mm) Beam Angle: 17° to 54° Increased output Faceted borosilicate reflector with dichroic cold mirror coating removes greater than 90% infrared radiation (heat) and reflects greater than 95% of visible light