Sigma 300mm F4.5 APO Telephoto
Launched February 1980

SIGMA 300mm F4.5 Apochromatic Telephoto

Due to the new optical design, the Apochromatic results have been obtained without using Fluorite glass elements (Patent pending). The substantial reduction in colour aberration results in crisp, high contrast pictures images. In addition, the internal focusing mechanism allows for the quick focusing and close focusing capabilities.

Specifications
Construction 8 Elements in 6 Groups
Focal Length
300mm
Maximum Aperture
ƒ4.5
Minimum Aperture
ƒ22
Field of View

Minimum Focus Distance
250cm
Number of blades N/A
Maximum Magnification

N/A

Zooming System N/A
Filter Size
72mm
Diameter
80mm (max.)
Length
197mm
Weight
1,165g
SRP at launch:
N/A
Available Mounts:

MF mounts.

Original Manual

300mm F5.6 Scalematic guide