KONICA C35

Name: Konica C35
Brand: Konica

The Konica C35 is a compact 35mm viewfinder camera introduced in 1967 as part of Konica's push into the growing point-and-shoot market. It has a Hexanon lens, built-in CdS metering and aperture-priority autoexposure. That made it one of the earliest compacts with this much automation in a portable body.

Overview

The Konica C35 came out in 1967. It moved Konica away from traditional rangefinder and SLR designs and toward user-friendly, fully integrated compacts for amateur photographers. It was marketed to consumers who wanted professional-level image quality without manual controls, in a sleek, pocketable body. In the late 1960s Japanese manufacturers were starting to put electronic metering and automation into small-format cameras, and Konica was among the pioneers.

The C35 was one of the first compact 35mm cameras with a coupled selenium-cell light meter (later models used CdS) and aperture-priority autoexposure. You set the shutter speed manually and the camera picked the correct aperture. That sat between fully manual and fully automatic, and it suited both novice and intermediate photographers. The lens is a 38mm f/2.8 Hexanon, derived from Konica's high-end rangefinder systems. Many contemporaries used lower-quality fixed lenses.

The C35 was in production from 1967 to 1973, with over 8 million units sold worldwide. Buyers got advanced features, solid build quality, an elegant design and easy handling. The series spawned several variants, including the C35A, C35AF and C35 E. They added things like flash synchronization, enhanced metering and, in later versions, auto-focus. The C35 also laid the groundwork for later models like the C35 EF and the Hexar series.

Key Features

38mm f/2.8 Hexanon Lens: A high-performance, multi-coated lens derived from Konica’s rangefinder lineage, delivering sharp, contrast-rich images with minimal aberration.
Aperture-Priority Autoexposure: One of the earliest compact cameras to offer semi-automatic exposure, using a CdS meter to select the correct aperture based on user-chosen shutter speed.
Integrated CdS Metering: The light meter is fully coupled to the exposure system, enabling accurate readings under varied lighting conditions.
Compact Metal Chassis: Built with a durable metal body and leatherette covering, combining portability with professional-grade construction.
Manual Shutter Speed Selection: Offers shutter speeds from 1/4 to 1/500 sec plus Bulb mode, giving users control over motion capture while retaining automatic aperture.

Historical Context

The C35 launched as the photography market was shifting from manual, mechanical cameras to automated, consumer-friendly designs. In the late 1960s demand for easy cameras with built-in metering surged, driven by the rise of amateur photography and the spread of 35mm film. Konica used its expertise in lens design and metering technology to build a compact that offered both automation and good optics.

The C35 competed directly with models like the Minolta Hi-Matic series, the Canonet QL17, and the Olympus 35 series—all renowned for their lens quality and semi-automatic features. However, the C35 distinguished itself through its refined ergonomics, consistent build quality, and aggressive pricing. Its success was amplified by effective marketing and distribution, particularly in North America and Europe. The 8 million units sold during its production run underscore its widespread appeal and reliability. The C35 also served as a technological testbed for Konica, leading to innovations such as the C35 AF (1977), one of the world’s first autofocus 35mm cameras.

Collectibility & Value

Today the Konica C35 is regarded as a classic of late-1960s Japanese camera engineering, and collectors of vintage compacts look for it. It isn't as rare as some limited-production rangefinders. Well-preserved examples are highly desirable, especially those with clean lenses, working meters and original cases. A C35 typically runs $50 to $150 USD, depending on condition, model variant and function. Early selenium-metered versions are less desirable because selenium cells degrade over time. Later CdS models with replaceable batteries are more practical and so more valuable.

When buying a Konica C35, check the lens for haze, fungus and scratches. Make sure the shutter fires at all speeds, and verify that the meter responds to light (though calibration may require a now-discontinued PX625 battery or modern substitute). Common problems are sticky aperture blades, worn shutter curtains and degraded light seals. The camera uses a mercury battery (1.35V), so modern alkaline replacements without voltage regulation can lead to overexposure. Solutions include zinc-air batteries or adapting with step-down modules.

Similar Cameras

Minolta Hi-Matic 7s – Similar aperture-priority 35mm compact with 45mm f/1.8 lens and CdS metering.
Canon Canonet QL17 GIII – Iconic rangefinder-style compact with 40mm f/1.7 lens and full manual control.
Olympus 35RC – Stylish, dual-knob compact with 42mm f/1.8 lens and manual exposure.
Yashica Electro 35 GSN – Fully automatic 35mm rangefinder with 45mm f/1.7 lens and CdS metering.
Ricoh 500G – Compact viewfinder camera with 40mm f/2 lens and aperture-priority AE.

Repair & Maintenance

The Konica C35 needs a 1.35V PX625 mercury battery to run its CdS meter and electronic shutter control. Mercury batteries are no longer produced, so users often substitute modern alkaline PX625 batteries (1.5V). The higher voltage can cause overexposure. Recommended alternatives are WeinCell zinc-air batteries (1.35V) or a step-down adapter with silver-oxide batteries. The shutter is electro-mechanical and relies on battery power for timing, so a dead battery means no working shutter speeds.

Common maintenance issues include sluggish or inaccurate shutter speeds, often from dried lubricants or capacitor degradation in the timing circuit. The aperture blades can also get sticky from old grease and need cleaning and relubrication. Repair difficulty is moderate. The camera is well-built, but reaching the internal components means taking down the front and top assemblies. Technicians familiar with vintage Japanese electronics and leaf shutters are best suited to the job. Regular use, removing the battery when not in storage, and occasional cleaning of contacts help preserve function.