There are 1 Super ED (Extra Low Dispersion) and 2 ED elements. The optical system has Nano AR coating to reduce flare and ghosting, a nine-bladed circular aperture and comprises 22 elements in 16 groups. Focus is down to a very useful 0.98m (3.22 feet), a maximum magnification of 0.35x. AF is via a floating focus mechanism and a Double Linear + DDSSM drive that certainly delivers fast and accurate focusing. The body of the lens is dust and moisture resistant, increasingly a must for shooting outdoor events. The foot itself is removable and has a safety catch to make sure it does not detach unexpectedly. The tripod mount foot is on a ring that can be rotated, so the lens orientation can be changed without having to adjust the tripod head. The fourth is the OSS mode, either standard 5-axis shake reduction (if supported by the camera body) or a mode for the purposes of panning shots. The third switches OSS (Optical Steady Shot) on or off.
Axis history forum oss full#
The second is a range limiter for the AF, giving a choice of the full focusing range or limiting it from infinity to 3m. The option runs seamlessly from smooth to tight, so all requirements can be individually catered for.įinally, closest to the mount, are the four lens control switches. The wide zoom ring changes the length of the lens as we zoom in and, just closer to the camera body, a new feature enables the tension of the zoom action to be customised. They are for focus lock, and a menu option in the camera enables them to be programmed for a variety of alternative functions. Just behind this are three equally spaced buttons, enabling one of them to be in the most convenient place regardless of the orientation of the lens. Damping is spot on, giving just the right amount of resistance. This operates by wire and is very precise in its operation.
Axis history forum oss manual#
Lying beyond this is the nicely ribbed rubberised manual focusing ring. There is a small sliding door that enables, for example, a polarising filter to be rotated with the hood in position. It fits smoothly and securely, especially as a locking catch is provided to prevent unwanted rotation or loosening. A large round lens hood bayonets into place. Sony FE 100-400mm f/4.5-5.6 G Master Handling and FeaturesĪt 1395g (without the tripod foot) this is a fairly heavy lens, although when mounted on the Sony Alpha A7R II body used for this review it balances perfectly well and does not seem unduly cumbersome. Choose used and get affordable access to kit that doesn’t cost the earth. Every month, visual storytellers sell more than 20,000 cameras and lenses to MPB. MPB puts photo and video kit into more hands, more sustainably.
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