Distortion image at corners is common with wideangle lenses, but this particular lens is especially made for Distortion Free based on the sophisticated lens formula which produces a resolution power of *350-line at center. Mounting threads is 49mm. Front filter size is 72mm. Nominal 0.66X(Actual 0.66X/diagonal, 0.66X/center).Optional Sizes/Weight : 75mm x 39mm 178g * MTF 30%. Equivalent to 1890-line/TV(1/4" CCD),2520-line/TV(1/3" CCD).
|Magnification||Actual 0.66X Diagonal, 0.66X Horizontal|
|Lens construction||3-group/3-element, Coated optical glass elements|
|Front filter size||72mm|
|Size/Weight||77mm x 40mm 178g(6.3oz)|