Konica A4

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The Konica A4 is a 35mm autofocus compact point and shoot camera released in 1989. The design of this camera is the basis for the Big Mini series of cameras.

The camera's main body and hand grip area is a black or silver matte type plastic, while the rest of the front is a shiny black type. A version with date is also available. It features a 35mm f/3.5 lens comprised of 4 elements in 4 groups. The lens has a automatic cover that opens and closes based on the power state. The focusing is a infrared type with a distance of 0.6m to inf. and a focus lock activated by half pressing the shutter release. A close-up mode is also available that reduces the normal focusing distance to the range of 0.35 to 0.6m. It is enabled by using the button on top of the camera body. The shutter is electronic with speeds of 1/3 to 1/500 of a sec.

The exposure system is based on a center-weighted design that uses a CdS measuring element with a range of 5 to 17 EV. The viewfinder contains bright lines for framing as well as marks for parallax correction when using the close-up feature. It has LED's in the finder for focus/focus lock, close-up and flash state. Automatic flash is built-in with a fast 3 sec. recycle time. Flash can be used in automatic mode but can also be changed by pressing the mode button on the camera back. The mode button can be used for fill flash (On) mode, flash off and self-timer. The self-timer is electronic with a blinking indicator and delay of 10 seconds.

The camera automatically advances the exposed frames and auto rewinds at the end of the roll. Mid-roll rewind is possible by first going into flash off mode, then pressing and holding the mode button briefly. The rewind indicator will blink, press the shutter release to rewind. The frame counter is displayed on the LCD and is counted upwards. The camera is compatible with DX encoded film (ISO 50–3200 in full stops), but with non-encoded films it defaults to using ISO 100. A film check window is on the back, as a reminder of film type. It is powered by a CR123A lithium battery for the main body. It also uses a CR2025 coin battery for the LCD and date. This should be replaced when the LCD counter blinks on power-up.

The auto quartz date version can record date up to December 31 2019. Date formats available include Year/Month/Day, Day/Hour/Minute, Off, Month/Day/Year and Day/Month/Year.

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