Sears KSX

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Note: this article describes the first Sears KSX model; the KSX-P, KSX 1000, and KSX Super are all different cameras.

The KSX was an SLR introduced by US retailer Sears in their 1980 Fall/Winter catalog.[1] This replaced the KS 1000 as the mid-price option in the catalog; but despite a new price of USD $186.50 being $68 cheaper, this model added aperture-priority autoexposure. (The remaining all-manual KS 500 also received a price drop.) The KSX's electronically-timed shutter does require power from two silver-oxide button cells to operate (type S76, 357, or SR44).

As with other Sears K-mount cameras, it is a rebadged Ricoh, specifically the KR-10 (no suffix). A number of features were cut down to meet the new price point: The standard lens is f/2.0, rather than f/1.7. There is no depth-of-field preview button, nor the viewfinder peepsight to give a direct view of the aperture-ring setting. (Both positions are somewhat inelegantly blanked out by plain covers.) There is no eyepiece blind lever (a plastic cap was supplied) nor multiple exposure button. The viewfinder indicator of the selected shutter speed remains, and is used for match-needle light metering when selecting shutter speeds manually. The camera's film advance lever must be pulled outwards to unlock the shutter release and activate the meter.

The updated KSX Super improves on a few of this model's features, but loses the mechanical 1/90th second X-sync speed which can operate without battery power.