C41
Kodak Portra 400
Kodak Portra 400 is a professional C-41 color negative film known for flexible exposure latitude, natural skin tones, and fine grain.
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The Robot Recorder 24 (introduced c. 1963) is a 24×24mm spring-motor camera produced by Otto Berning & Co. in Düsseldorf, Germany, derived from the Robot Royal platform but optimised for institutional and industrial use. Where civilian Robot models were designed for hand-held photography, the Recorder series was intended for fixed-installation or semi-permanent mounting: traffic enforcement cameras, speed traps, industrial process recording, scientific instrumentation, and surveillance systems.
Reference
Recommended film stocks for the 35mm format your camera takes.
C41
Kodak Portra 400 is a professional C-41 color negative film known for flexible exposure latitude, natural skin tones, and fine grain.
View profile →C41
Kodak Gold 200 is a daylight-balanced C-41 color negative film with warm color, moderate grain, and a classic consumer-film look.
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Kodak UltraMax 400 is a versatile consumer-grade ISO 400 daylight-balanced color negative film with T-grain emulsion, delivering warm Kodak colors, fine-for-speed grain (PGI 46), and wide exposure latitude. Currently in production and available globally as a single-roll and multi-pack.
Develop 35mm film
Labs in our directory that process 35mm film.
Before you buy used
About this camera
The Robot Recorder was Otto Berning's spring-motor camera designed for industrial, surveillance, and traffic-enforcement applications — a Robot derivative built for fixed-installation rapid-sequence photography rather than hand-held use.
| Field | Value |
|---|
| Format | 35mm, 24×24mm square (Recorder 24) or 24×36mm (Recorder 36) |
| Mount | Robot bayonet |
| Years | c. 1963–1975 |
| Typical lens | Schneider Xenar 38mm f/2.8 or application-specific optics |
| Shutter | Focal-plane: 1/25s – 1/500s + B |
| Film advance | Spring motor; remote trigger compatible |
| Meter | None |
| Viewfinder | Minimal or absent (installation camera) |
| Battery | None (mechanical spring motor) |
By the 1960s, the Robot spring-motor concept had proved its value in military, scientific, and industrial contexts dating back to the prewar Robot II's Luftwaffe use. Otto Berning formalised this institutional market with the Recorder series — a purpose-designated variant of the Royal platform, stripped of civilian amenities and adapted for reliable unattended operation.
Traffic enforcement was a significant application: German cities deployed Robot Recorders in speed cameras during the 1960s and 1970s. The camera's spring motor could cycle automatically on a trigger signal, producing a sequence of frames documenting a vehicle's licence plate and speed within a few seconds. Industrial process recording — monitoring stamping presses, assembly lines, and testing facilities — was another key market.
The Recorder continued in production alongside the civilian Robot Royal line into the mid-1970s, when electronic cameras began displacing mechanical spring-motor designs in institutional applications. The lineage of Robot industrial cameras was eventually succeeded by later Berning/Robot electronic models in the 1980s and 1990s.
The Robot Recorder is a specialist collector piece that illustrates how the spring-motor Robot concept extended far beyond civilian photography into practical public-safety and industrial infrastructure. Traffic-enforcement Robots documented millions of European speed violations before digital cameras took over that role.
For contemporary photographers, a Recorder functions identically to a civilian Robot — same spring motor, same lens mount, same film format — but with less refined ergonomics and typically a more utilitarian finish. It is primarily of interest to Robot specialists and industrial camera historians.
The Robot bayonet mount accepts standard Robot lenses:
C41
Kodak ColorPlus 200 is an affordable, consumer-oriented daylight-balanced color negative film at ISO 200. Known for warm, slightly muted color rendition, fine grain, and wide exposure latitude, it is currently in production and widely available in Asia and select global markets.
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Kodak Tri-X 400 is a classic black-and-white film known for strong tonality, visible grain, and documentary character.
View profile →Robot Recorder 24
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