Sigma 300mm F4 APO Macro
Launched February 1994

300mm f4 1994

Sigma 300mm F4

Worlds first Apochromatic Ultra telephoto -lens with macro capability of 1:3 reproduction ratio. The lens has a great advantage to take macro photography of moving subjects which needs longer working distance. Incorporating inner focusing of 2nd and 4th lens group with two Special Low Dispersion glasses, the lens produce high optical performance for the subject from infinity to macro focus range.
The lens has a matte “ZEN” finish like other Sigma lenses.

This new lens will be available in AF and MF mounts for major S.L.R. cameras from December 12th, 1994.

Specifications
Construction 10 Elements in 7 Groups
Focal Length 300mm
Maximum Aperture ƒ4
Minimum Aperture ƒ22
Field of View 8.2°
Minimum Focus Distance 120cm
Number of blades 9
Maximum Magnification 1:3
Zooming System N/A
Filter Size 77mm
Diameter 92.5mm (max.)
Length 194.2mm
Weight 1,470g
SRP at launch: N/A
Available Mounts: AF: Sigma, Canon, Nikon, Minolta, Pentax

MF: Nikon, Canon, Olympus, Minolta, Pentax, Contax, Yashica