RX - Camera CONTAX - Free user manual and instructions
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| Type of product | 35mm autofocus SLR camera |
| Brand | CONTAX |
| Model | RX |
| Lens mount | Contax C/Y bayonet |
| Film format | 35mm (24 x 36 mm) |
| Shutter speed range | 1/4000 to 4 seconds |
| Exposure modes | Program, Aperture-priority, Shutter-priority, Manual |
| Metering modes | Center-weighted and spot |
| Autofocus | TTL phase detection with focus lock |
| ISO range | 25 to 5000 (estimated) |
| Viewfinder | Fixed pentaprism with diopter adjustment |
| Flash sync speed | 1/250 second |
| Power supply | Two 3V CR2 lithium batteries |
| Dimensions | 149 x 91 x 54 mm (approx.) |
| Weight | 595 g (body only, approx.) |
| Film advance | Motorized, single and continuous |
| Self-timer | Electronic delay (10 seconds) |
| Exposure compensation | ±3 EV |
| Flash compatibility | TTL hot shoe for external flashes |
| Recommended cleaning | Soft brush and dry cloth; keep body dry |
Frequently Asked Questions - RX CONTAX
What type of batteries does the Contax RX use?
The Contax RX uses two 3V CR2 lithium batteries. These are commonly available at camera stores. Always check the battery compartment orientation marked inside.
How to set the ISO manually on the Contax RX?
Press the ISO button on the top plate and rotate the dial until the desired film speed appears in the viewfinder LCD or top LCD. The RX supports ISO values from 25 to 5000, and the setting is stored even when the camera is off.
Can I use older Yashica or Zeiss C/Y lenses?
Yes, the RX uses the Contax/Yashica (C/Y) bayonet mount. Zeiss lenses and compatible Yashica lenses with the same mount will fit. Electronic contacts on certain newer lenses may not be recognized, but manual operation is always possible.
How do I know if the autofocus is accurate?
Perform a simple test by focusing on a high-contrast subject. The RX has a focus-lock indicator in the viewfinder. If AF misbehaves, ensure the lens is clean and the camera battery voltage is sufficient. The camera also supports manual focus override for precise adjustment.
What is the maximum shutter speed?
The RX features a titanium focal-plane shutter with speeds from 1/4000 to 4 seconds. This allows you to capture fast action and long exposures.
Does the Contax RX have a built-in flash?
No, the RX is a professional body without a built-in flash. It provides a hot shoe and TTL flash control for compatible external flash units. Use a dedicated flash for TTL auto exposure.
How to load the film correctly?
Open the back, insert the film cartridge into the left compartment, pull the leader across to the red mark at the take-up spool, then close the back. The auto load system advances the film automatically. Check the frame counter to confirm it advances.
How should I clean the mirror and the sensor (film) area?
Since the RX is a film camera, there is no image sensor. Clean the reflex mirror and focusing screen with air blower and a soft lint-free cloth. Avoid touching the mirror directly. For full dust removal, have it serviced by a professional.
What does the exposure compensation dial do?
It allows you to deliberately over- or underexpose by up to ±3 EV. Turn the dial to compensate for tricky lighting situations, such as backlighting or scenes with large bright areas.
How to use the self-timer?
Set the self-timer by sliding the switch on the front, then press the shutter release. The camera will wait approximately 10 seconds before firing, which is useful for self-portraits. When the timer is active, the LED blinks to indicate the countdown.
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