Sony 1983
Betamax BMC-100


BMC-100 Side connectors
Side Connectors

Omega Wrap

Omega tape wrap system which takes up a lot less space than a conventional Betamax deck. Omega wrap reduces the size of the video head drum by employing a second set of video heads which are used to record alternate frames of picture information. This was later to be adopted in camcorders of other formats.

Superior Picture Quality

A second thing to note is that the Chroma and Luminance video information is at no point within the BMC-100 combined as composite video. This means that the BMC-100 was able to treat colour and luminance information seperately which resulted in superior picture quality.
NP-11 battery
NP-11 battery


The unit is powered by a compact NP-11 battery ( weighing 12Oz )located in the carrying handle.

Other features

The BMC-100 has a F1.2 Lens with 6X powered zoom, a built in condenser microphone, Automatic White Balance and a pivitol optical viewfinder which incorporated 4 LED indicators.

Quick fault guide

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Dead. No powerThere is a fuse located near the DC input jack. This was found to be bad and replaced. The problem happened after a switch in polarity to the DC jack.