Variations exist for different lens mounting systems, most typically Arri PL, Arri LPL, Panavision PV mount, Panavision SP70 and Mitchell BNCR mounts. They can only be viewed by one individual at a time. Lens finders are camera format specific and require the lenses that will be used in production. These devices are still common on film sets, allowing shots to be framed without having to use the motion picture camera as a viewing device.
These allow both the director and cinematographer to not only observe the field of view but also the character of the lens in terms of depth of field, optical aberration and general subjective "feel". The second type, also called a director's viewfinder but sometimes referred to as a lens finder, is a larger device than the traditional viewfinder and employs the lenses that are intended to be used on the motion picture camera. In between takes, the camera could be "racked over" to allow viewing of the actual taking lens. Instead a viewfinder similar in concept to the Alan Gordon Mark Vb bolted to the side of the camera was employed by the camera operator to frame a shot when filming. Devices of this kind vary in price from $300US-$700US, depending on size and features.Įarly blimped motion picture film cameras like the Mitchell Camera BNCR were not reflex finder cameras. This type of viewfinder allows the user to select multiple camera formats, aspect ratios and focal lengths within a specific range. The functionality of these devices is limited in that they only assist in observing the field of view of the lenses that will be used on the motion picture camera but not the characteristics of that lens.
Sometimes called a "Tewe" in Europe (after a German company that manufactured them). The most traditional director's viewfinder looks like a short telescope, can be held easily in one hand and is often seen hanging from a lanyard on the director's neck. Traditional Alan Gordon Mark Vb director's viewfinder
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