ZEISS IKON CONTAFLEX IV

Name: Zeiss Contaflex IV
Brand: Zeiss

The Zeiss Ikon Contaflex IV is a high-end 35mm single-lens reflex (SLR) camera made between 1956 and 1959. It has a fast f/2 Sonnar lens and a built-in selenium-cell exposure meter. It was the top of Zeiss Ikon's early fixed-lens SLR line, aimed at professional photographers and serious amateurs during a transitional period in camera design.

Overview

Zeiss Ikon introduced the Contaflex IV in 1956 as part of the second-generation Contaflex series, which evolved from the original Contaflex I and II. SLRs were gaining traction at the time because through-the-lens viewing eliminated parallax error and made composition precise, which helped especially with close-up and macro work. The IV was a premium model. It paired Carl Zeiss optics with a mechanically sophisticated leaf shutter and built-in exposure metering, a rarity in SLRs then.

The interchangeable-lens SLRs that would dominate later decades were not what this camera was. The Contaflex IV has a fixed, non-removable 50mm f/2 Carl Zeiss Sonnar lens, which was optically superior to the more common Tessar designs used in earlier models. The lens gave excellent contrast, sharpness and low-light performance, so the camera suited available-light photography. The selenium-cell exposure meter sits around the lens barrel and allows stop-down metering with a needle visible in the viewfinder, a cutting-edge feature for its era. The camera was made in Stuttgart, West Germany.

The Contaflex Rapid and later interchangeable-lens models replaced the Contaflex IV in 1959, which marked a shift in design philosophy. The IV is still one of the most collectible and technically refined fixed-lens Contaflex models, thanks to its speed, metering and build quality.

Key Features

50mm f/2 Carl Zeiss Sonnar lens: One of the fastest lenses available on a 35mm SLR at the time, offering superior low-light performance and shallow depth of field.
Integrated selenium-cell exposure meter: No battery required; meter needle visible in the viewfinder for stop-down exposure reading.
Compur-Rapid leaf shutter: Provides flash sync at all speeds, with a top speed of 1/500 sec—uncommon for leaf-shutter SLRs.
Precision mechanical construction: All-metal body with leatherette covering, machined focusing helix, and robust internal mechanisms.
Through-the-lens metering preview: Stop-down lever allows viewing and metering at selected aperture, improving exposure accuracy.

Historical Context

The Contaflex IV came out at a critical point in SLR development. Japanese manufacturers like Asahi (later Pentax) were starting to explore interchangeable-lens SLRs with focal-plane shutters. Zeiss Ikon went a different way and refined the fixed-lens, leaf-shutter design for maximum optical and mechanical precision. The IV was a direct evolution of the Contaflex III, which introduced the f/2.8 Tessar and metering. The big upgrade was the Sonnar lens, which raised its standing among contemporaries.

It competed with cameras like the Kodak Retina Reflex (Type S, 1957) and the Alpa-Reflex (Swiss-made, modular system). It stood out for the combination of Zeiss optics and a faster maximum aperture. The fixed lens was its limitation, since it restricted versatility compared to emerging systems. Even so, it was well-received in Europe and among professional photographers who valued optical quality and metering convenience in a compact SLR.

Collectibility & Value

The Contaflex IV is sought after by collectors of vintage German cameras, particularly those interested in the evolution of SLR technology and Zeiss optics. The production run was relatively short (1956-1959) and the manufacturing was precise, so surviving examples in good working condition are relatively rare. Current market values range from $800 to $1,500 USD, depending on condition, lens clarity, shutter accuracy and meter responsiveness.

When buying a Contaflex IV, inspect the selenium meter for deterioration. The common issue is fading or cracking of the cell, which leads to inaccurate readings. Test all shutter speeds, especially 1/500 and 1 sec, and check the Sonnar lens for fungus or haze. The focusing mechanism should be smooth without play, and the film advance should operate crisply. The camera needs no batteries, so the condition of the selenium meter is a key value factor. Restorations are possible but costly because of the complexity of the leaf shutter and meter assembly.

Similar Cameras

Kodak Retina Reflex Type S (1957) – German-built, interchangeable lenses, f/2 Schneider Xenar, selenium meter
Alpa-Reflex ST (1955–1958) – Swiss precision, modular design, high-end optics, no built-in meter
Contax S (1949) – Early pentaprism SLR, M42 mount, focal-plane shutter, no meter
Praktica FX 3 (1958) – East German M42 SLR, focal-plane shutter, aimed at broader market
Topcon R (1957) – Japanese SLR with fast lenses and advanced viewfinder, competing in pro segment

Repair & Maintenance

The Contaflex IV needs no batteries. The selenium-cell meter generates its own current but may degrade over time, leading to underexposure. Common problems include stiff or inaccurate shutter speeds, often from dried lubricants in the Compur-Rapid shutter. Experienced technicians can disassemble and clean these shutters, though parts are no longer manufactured. The helical focus mechanism may develop play or resistance and benefits from careful lubrication. The viewfinder screen can deteriorate or delaminate. Replacement is possible but requires precision alignment. Because the lens, shutter and meter are integrated, full servicing is recommended only by specialists in vintage German cameras. Regular use and storage in a dry, temperature-stable environment help preserve functionality.