Quantaray AF 50mm F2.8 Tech-10 Macro Specifications
analog/digital (the Sigma EX, which this model is based on, was listed for 2001 issue upgrade)
Diagonal Angle of View:
Number of Aperture Blades:
recessed front lens + 550-01 (round shape, thread mounted)
The lens features a Full/Limit style focus limiter (full, 0.18m - 0.24m (1:1 - 1:2)). The Sigma equivalent is reported to be IR capable (IR Forum). The lens appears with either green or golden barrel imprints.