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.
View profile →slr-35mm
The Zenit-6 is a 35mm SLR produced by KMZ (Krasnogorsk Mechanical Plant) from approximately 1963 to 1968. It uses the M39 screw mount - the same thread used on Leica-thread rangefinder lenses, though the deeper flange distance required for SLR use means rangefinder M39 lenses cannot be focused to infinity. The Zenit-6 carries a selenium cell meter mounted on the front of the body, uncoupled from the shutter and aperture controls; the photographer reads the EV value from the meter and transfers it manually to the exposure controls. The shutter is a mechanical horizontal-cloth curtain type. No battery is required. The Zenit-6 appeared during the same period as the Zenit-3M and represents one iteration in KMZ's sequence leading up to the Zenit E of 1965, which became the definitive high-volume Soviet SLR.
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 →BW
Kodak Tri-X 400 is a classic black-and-white film known for strong tonality, visible grain, and documentary character.
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.
Develop 35mm film
Labs in our directory that process 35mm film.
Before you buy used
About this camera
A 1960s KMZ SLR on M39 mount with a selenium meter, preceding the mass-production Zenit E.
| Field | Value |
|---|
| Format | 35mm |
| Mount | M39 (SLR flange distance, ~45.2 mm) |
| Years | ~1963-1968 |
| Shutter | ~1/30s - 1/500s + B, mechanical horizontal cloth |
| Flash sync | ~1/30s |
| Meter | Selenium uncoupled |
| Modes | Manual |
| Weight | ~830 g |
| Battery | None |
KMZ began producing Zenit SLRs in the early 1950s, with the original Zenit appearing in 1952 as a direct conversion of the Zorki rangefinder body into an SLR. The Zenit-3M (1962) refined this basic chassis and became a transitional model between the earliest Zenit bodies and the mass-production era of the Zenit E. The Zenit-6 occupied a brief window in the mid-1960s before the Zenit E arrived in 1965 and quickly dominated Soviet SLR production. The Zenit E's selenium-front-meter design and M42 mount were clearly influenced by the Zenit-6's general layout, though the shift from M39 to M42 was the most significant technical change between the models. The Zenit-6 did not achieve high production volumes and is today one of the rarer Zenit variants.
The Zenit-6 is primarily of interest as a transitional KMZ SLR - a window into how KMZ designed its mass-market SLR before the Zenit E standardized the formula. The M39 mount is technically distinct from the M42 mount of the Zenit E; lenses designed for M39 SLR use are far rarer than M42 glass, making the Zenit-6 more challenging to use practically. Most users interested in Soviet SLRs will find the Zenit E or Zenit 11 more practical starting points due to their widespread availability and the depth of the M42 lens ecosystem. For collectors, the Zenit-6 documents a phase of KMZ product development that is underrepresented compared to the millions of Zenit E units in circulation.
The Zenit-6 uses M39 mount at SLR flange distance (~45 mm). This is not interchangeable with Leica-thread M39 rangefinder lenses at infinity without an adapter correcting the flange distance. Native M39 SLR glass from KMZ includes:
M42 lenses can be adapted to M39 SLR via a step-up adapter, but this is an uncommon configuration. Confirm mount compatibility before purchasing glass.
BW
Ilford HP5 Plus is a flexible ISO 400 black-and-white film with classic grain and strong push-processing tolerance.
View profile →C41
Kodak Ektar 100 is a fine-grain C-41 color negative film with saturated color and high sharpness.
View profile →KMZ 6
Image coming soon