This document is a product manual for the ED300mm f2.8 lens. It introduces the features of the lens, including its optical structure, dustproof and drip-proof design, and lens specifications.
The Olympus ED300mm f/2.8 is a super-telephoto lens designed exclusively for use with Olympus FOUR THIRDS single-lens-reflex digital cameras. It features dustproof and drip-proof construction, high imaging capability with 13 elements in 11 groups including three ED glass elements, and can be used with optional teleconverters or extension tubes.
This guide details the nomenclature of the lens, instructions for attaching accessories such as the lens hood (LH-120) and filters (SCF-43, ND4-43, DPF-43), and explains how to use the focus limit switch and stop buttons. It also includes main specifications and important safety precautions regarding sun exposure and handling.
| Mount type | Four Thirds mount |
|---|---|
| Focal distance | 300 mm |
| Max. aperture | f/2.8 |
| Image angle | 14.2° |
| Lens configuration | 13 elements in 11 groups |
| Shooting range | 2.4 m to infinity |
| Weight | 13290 g |
| Dimensions | Max. dia. 84 x Overall length 285 mm |
The ED300mm f/2.8 is designed exclusively for use with Olympus FOUR THIRDS single-lens-reflex digital cameras.
Yes, the lens can be used in combination with the optional EC-14 teleconverter.
The switch limits autofocus range to speed up focusing; for close-up shooting, it focuses between 6 meters and 2.4 meters.