Quantaray AF 50mm F2.8 Tech-10 Macro Specifications
Compatibility:
analog/digital (the Sigma EX, which this model is based on, was listed for 2001 issue upgrade)
Diagonal Angle of View:
46.8°
Maximum Magnification:
1:1
Minimum Aperture:
F32
Number of Aperture Blades:
Iris Pattern:
Minimum Distance:
18.8cm
Filter Thread:
55mm
Maximum Diameter:
71.4mm
Length:
64mm
Weight:
322g
Focus Type:
Lens Hood:
recessed front lens + 550-01 (round shape, thread mounted)
Produced:
Tests:
Additional Information:
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.