Dating zuiko lenses
The OM30 met quite limited success; Olympus' early autofocus system wasn't particularly accurate, fast or useful compared to its competitors.
Minolta changed the camera market forever in 1985 with the Maxxum 7000, at which time Olympus made one more attempt at an AF OM body — the OM707 released in 1986.
It also offered exposure compensation for more complicated lighting situations and for more advanced users.
Selection dial upon the top allowed for selection of Aperture Priority, B and Manual adapter, The small plug-in manual adaptor was available as an accessory to enable manual control of shutter speed, if no Manual Adapter was plugged in and the camera switch set to Manual Adapter then the camera shutter speed was set to fixed 1/60 for flash work. In 1980 the OM10 Quartz was released with a fixed databack (equivalent of a Recordata Back 3) to print the time or date on your pictures. The OM10 was sold in large quantities before production ceased in 1987 and many working examples are still being used today. It is basically an OM10 with manual shutter speed ring built-in, and a few other advances. It was Olympus's first step towards an autofocus SLR camera.
In its standard configuration the OM10 offered aperture priority automatic exposure, simple and accurate enough for a consumer camera in most lighting situations.OM-System teleconverters can be used with the appropriate OM-mount adapters on the DSLR or PEN cameras.For all practical purposes, OM-System flash units are not compatible with E-System or PEN cameras mainly because the firmware of the flashes and the firmware of the cameras are incompatible.To mount OM-mount products on PEN Micro Four Thirds cameras, you will need to use the MF-2 OM Adapter which can be purchased by clicking here.Four Thirds mount lenses can be used on Pen cameras using the MMF-2 Adapter, which can be purchased by clicking here.