Focal Length :85mm fixed focal length
Maximum Aperture :T = 1.5
Diaphragm Blades :9 blades
Image Circle :46.7 mm
Optical Construction :13 groups
:14 elements
Maximum Macro Magnification :1:9.92
Minimum Focus Distance :37.5″ / 95.25 cm
Front Lens Diameter :114 mm
Front Filter Thread Size :112
Support :1/4″-20 threaded female mounting hole
Overall Length :5.71″ / 14.5 cm
:5.16″ / 13.1 cm (from front mount surface)
Weight :4.74 lb / 2.15 kg
Focal Length :85mm fixed focal length
Maximum Aperture :T = 1.5
Diaphragm Blades :9 blades