1.Prism constant:0/-30mm 2.Effective dia:64mm 3.20 year's experience 4.Professional manufacturer 5.High quality

Place of origin: china

Brand name:Nikon

Model:AK14set

Material:glass , metal, plastic

Offset: -30mm(face)/0mm(back)      

Diameter: 64mm      

               

AK 14 single prism