This is a camera with electrical shutter, and you can choose either of aperture priority AE mode or manual metering mode .
This OM-4Ti is priced at less expensive price than that for OM-3Ti. If you do not insist on having mechanical shutter, OM-4Ti has higher performance per cost for you.
And OM-4Ti has a self-timer which was eliminated in OM-3Ti.
Electrical shutter has light sound when compared to OM-3Ti's mechanical shutter.
When selecting manual metering mode, this camera works in completely same manner as good manual camera OM-3Ti.
Electrical shutter, aperture priority AE, manual metering.
Start of sales: June,1986
Weight: Body:510g + 50mmf1.8:165g = 675g