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CameraWorth.com
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The Cameraworth Report — August 2026
Insights
Which Olympus compact is worth what
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K-50 (Mayfair)
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Keystone K-50 (Mayfair)
The Keystone K-50 (Mayfair) is a camera.
I have one to sell
Other Keystone cameras
A-9
A-9 Criterion
Aircraft F-8
200 (Auto Zoom)
211-SL (Synchro Sound)
409 Pocket (Twin Lens)
445X
60 Second Everflash (800/801/850)
725 EF
725 EFL
750 Rapid Shot
770
