100mm-----
Outer Diameter of cover: 100mm.
Optical aperture:75mm.
For 70-192mm objective lens.
Density of film: 5.0.
Quantity:1pc
120mm-----
Outer Diameter of cover: 120mm.
Optical aperture:95mm.
For 90-112mm objective lens.
Density of film: 5.0.
Quantity:1pc
140mm-----
Outer Diameter of cover: 140mm.
Optical aperture:115mm.
For 110-132mm objective lens.
Density of film: 5.0.
Quantity:1pc
160mm-----
Outer Diameter of cover: 160mm.
Optical aperture:135mm.
For 130-152mm objective lens.
Density of film: 5.0.
Quantity:1pc
180mm-----
Outer Diameter of cover: 180mm.
Optical aperture:155mm.
For 150-172mm objective lens.
Density of film: 5.0.
Quantity:1pc
200mm-----
Outer Diameter of cover: 200mm.
Optical aperture:175mm.
For 170-192mm objective lens.
Density of film: 5.0.
Quantity:1pc