Barlow, 2", Twist-Lock, 1.6X
2" 1.6X barlow with M42 T-thread camera adapter, 2" Twist-lock visual back, Fully Multicoated
The Antares 2UBSTL can be used photographically with T2 thread output, or visually with the twist lock attachment. It both increases focal length and reduces spherical aberration. The 2" 2UBSTL is a fully multicoated achromat with 44mm aperture and increases focal length by 1.6X.
- Barrel Diameter