MIRANDA AUTOSENSOREX EE

The Miranda AutoSensorex EE is a 35mm single-lens reflex (SLR) camera introduced in 1972. It was the first automatic exposure model in the Miranda lineup. It has shutter-priority autoexposure and a built-in TTL (through-the-lens) CdS light meter. For the Japanese maker, it was the move from manual mechanical cameras to electronically augmented ones, in response to growing demand for automation in consumer photography.

Overview

The AutoSensorex EE came out while the SLR market was changing fast. Miranda was trying to modernize its range and stay competitive as Canon, Nikon, Minolta, and Pentax gained ground. It was positioned as a mid-tier professional and advanced amateur camera, and it paired Miranda's traditional solid build quality with electronic exposure control. It was the first Miranda with automatic exposure, specifically shutter-priority AE. The photographer sets the aperture manually and the camera picks the shutter speed from the ambient light reading.

The camera kept the Miranda SR bayonet lens mount, so the extensive range of existing Miranda SR-mount lenses still fit. That was a key selling point for loyal users. The pentaprism viewfinder gives a bright, clear image with a split-image rangefinder and microprism collar for manual focusing. Two PX625 (1.35V) mercury batteries power both the light meter and the electronic shutter control system. If the batteries die, the camera still has a mechanical shutter speed of 1/90 sec, a practical fallback common in transitional-era electronic SLRs.

The AutoSensorex EE marked the start of Miranda's shift toward electronics, though it arrived late. By 1972, several other manufacturers had already introduced aperture- and shutter-priority models with TTL metering. For Miranda users, it was still a significant upgrade path, with automation and no loss of lens compatibility or build integrity.

Specifications

Key Features

• Shutter-Priority AE System: One of the first Japanese SLRs to offer shutter-priority automation, allowing photographers to select aperture manually while the camera calculated and set the correct shutter speed.
• TTL CdS Metering: Through-the-lens center-weighted light metering for accurate exposure readings, displayed via a needle visible in the viewfinder.
• Electronic Shutter with Mechanical Backup: Full electronic shutter control powered by batteries, with a mechanical 1/90 sec setting available if power is lost.
• Miranda SR Mount Compatibility: Full support for the extensive lineup of Miranda SR-mount lenses, including AI-compatible variants and third-party optics.
• Hot Shoe & PC Sync Terminal: Flash synchronization via both hot shoe and PC terminal, supporting X-sync at all shutter speeds.

Historical Context

The early 1970s brought a big change in SLR design. Manufacturers were adopting electronic automation to appeal to amateur photographers who wanted ease of use without giving up image quality. The Miranda AutoSensorex EE was launched in 1972 into a market that already had advanced models such as the Minolta XE (1974), Pentax ES (1971), and Canon AE-1 (1976). It was not the first shutter-priority SLR. It was Miranda's first try at automatic exposure, at a time when the brand was struggling to keep up with larger, more innovative competitors.

Miranda built a reputation in the 1950s and 1960s for rugged, modular SLRs favored by professionals and technical photographers. By the 1970s, the company lagged in electronic integration. The AutoSensorex EE was a direct response to that gap, modernizing the lineup while keeping backward compatibility. The engineering was solid, but it lacked aperture-priority or full program modes, which were beginning to emerge. Market reception was moderate, mostly among existing Miranda users upgrading from manual models, and it failed to attract a broad new customer base. Production ceased by 1976, as Miranda's market share kept declining under aggressive competition and internal financial challenges.

Collectibility & Value

Today the Miranda AutoSensorex EE is a niche collectible, valued more for its place in the Miranda lineage than for everyday usability. It is relatively rare compared to mainstream Japanese SLRs of the era. Complete, functional units fetch between $150 and $300 on the secondary market, depending on condition and included accessories. Cameras with original boxes, manuals, and lenses command premiums, particularly when paired with sought-after Miranda optics like the Sensorex or Reomar series.

Battery availability and meter function are the two things to watch. The original PX625 mercury batteries are obsolete and no longer manufactured. Modern 1.5V alkaline or hearing-aid zinc-air replacements can be used with exposure compensation (typically -1/3 to -1/2 stop). The CdS meter cell degrades over time and may need recalibration or replacement. Other common issues are shutter timing inaccuracies from aging capacitors and stiff aperture linkages from dried lubricants. Few technicians know Miranda electronics, so repair can be hard and parts are scarce.

Similar Cameras

• Pentax ES (1971) – Shutter-priority AE, M42 screw mount, TTL metering
• Minolta XE (1974) – Advanced shutter/aperture priority hybrid, SR-mount, precision build
• Canon FX (1964) / Canon Pellix – Early Canon SLRs with TTL metering (though not autoexposure)
• Nikkormat EL (1972) – Nikon’s first AE SLR, aperture-priority, F-mount
• Yashica TL Electro-X (1973) – Electronic shutter-priority SLR with M42 mount

Repair & Maintenance

The AutoSensorex EE needs two PX625 1.35V mercury batteries (or modern equivalents) to run the light meter and electronic shutter. True mercury cells are unavailable, so users often substitute WeinCell or zinc-air hearing aid batteries. These operate at 1.5V, which can lead to overexposure, so a -1/3 stop compensation is recommended. Check the CdS meter for accuracy, as aging cells often become sluggish or fail entirely.

Common mechanical issues include inconsistent shutter speeds at slower settings, typically from dried lubricants in the timing mechanism. The electronic control circuitry, though sturdy for its time, may suffer from capacitor leakage or contact oxidation. Cleaning the battery contacts and switch contacts is essential during servicing. Aperture coupling with older Miranda lenses must be verified, as misalignment can result in incorrect exposure. The hybrid electro-mechanical shutter is complex and service infrastructure is limited, so professional repair by a technician experienced with vintage Japanese electronics is advised. Regular use and storage in a dry environment help preserve functionality.

Similar items on eBay

No exact Miranda AutoSensorex EE listings are live right now — these searches show current Miranda and similar vintage camera gear on eBay:

As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.

Related Models

• Miranda D (1960-1965)
• Miranda F (1963-1970)
• Miranda Sensorex II (1971-1975)
• Miranda Sensorex (1966-1972)
• Miranda T (1955-1960)
• Alpa Alnea 7 (1952)
• Alpa Prisma Reflex
• Agfa 254
• Agfa ActionCam (1995)
• Agfa Agfaflex