Midwest Optical BP525-46

Midwest Optical SU25.5-46, Step-Up Ring, from M25.5 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 22.5 mm Clear Aperture

Midwest Optical SU27-46, Step-Up Ring, from M27 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 24 mm Clear Aperture

Midwest Optical SU30.5-46, Step-Up Ring, from M30.5 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 27.5 mm Clear Aperture

Midwest Optical SU34-46, Step-Up Ring, from M34 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 31 mm Clear Aperture

Midwest Optical SU37-46, Step-Up Ring, from M37 x 0.75 To M46 x 0.75, 48.5 mm Outer Diameter, 33.2 mm Clear Aperture

Midwest Optical SU37.5-46, Step-Up Ring, from M37.5 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 34.5 mm Clear Aperture

Midwest Optical SU39-46, Step-Up Ring, from M39 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 36.5 mm Clear Aperture

Midwest Optical SU40.5-46, Step-Up Ring, from M40.5 x 0.5 To M46 x 0.75, 48 mm Outer Diameter, 37.5 mm Clear Aperture

Midwest Optical SU43-46, Step-Up Ring, from M43 x 0.75 To M46 x 0.75, 48 mm Outer Diameter, 40 mm Clear Aperture

Midwest Optical SD49-46, Step-Down Ring, from M49 x 0.75 To M46 x 0.75, 51 mm Outer Diameter, 45.3 mm Clear Aperture

Midwest Optical SD52-46, Step-Down Ring, from M52 x 0.75 To M46 x 0.75, 54 mm Outer Diameter, 45.3 mm Clear Aperture

Midwest Optical SD55-46, Step-Down Ring, from M55 x 0.75 To M46 x 0.75, 57 mm Outer Diameter, 45.3 mm Clear Aperture

Midwest Optical SD58-46, Step-Down Ring, from M58 x 0.75 To M46 x 0.75, 60 mm Outer Diameter, 45.3 mm Clear Aperture

Midwest Optical SD62-46, Step-Down Ring, from M62 x 0.75 To M46 x 0.75, 64 mm Outer Diameter, 45mm Clear Aperture

Midwest Optical SD72-46, Step-Down Ring, from M72 x 0.75 To M46 x 0.75, 74.5 mm Outer Diameter, 45mm Clear Aperture