Minolta · SLR · Minolta SR

Minolta SR-1s

35mm SLR Discontinued meterless · mechanical · mirror lock-up · Minolta SR mount · economy body · 1960s SLR

Tripod planted on a frozen riverbank, mirror locked up, a full second running on a focal-plane shutter that has never asked for a battery. Metered bodies from the same shelf start to sulk when the cells get cold or the old mercury batteries go missing. The SR-1s has no cells to lose. Nothing in it runs on electricity, so the cold only slows your fingers.

It went on sale on 26 June 1967 as the last of the SR-1 line, and the recipe was simple: take the SR-T 101's shutter and lens mount, leave out everything electronic. That meant a top speed of 1/1000 instead of the slower ceiling earlier SR-1 bodies lived with. The 101's through-the-lens meter stayed behind. For four years the SR-1s sat underneath the SR-T 101 as the economy body, until the SR-T 100 took that slot in 1971 and the SR-1s was finished.

Using it feels like using an SR-T with the needle unplugged. The wind lever, the speed dial and the weight of a 1960s all-metal Minolta are all familiar. Speeds run from a full second to 1/1000, and the shutter has the solid, slightly clattery note of the period. Mirror lock-up is the feature people overlook, and it earns its keep on macro and long-lens tripod work. The standard lens was either the MC Rokkor-PF 55mm f/1.7 or the Auto Rokkor-PF 55mm f/2, and both are well regarded. On this body the MC lens's meter coupling has nothing to talk to, which costs you nothing.

Flash gets two separate terminals, FP and X. Flashbulbs on the FP socket sync at every speed on the dial, a neat trick if you still have a box of them. Electronic flash on X is limited to 1/60 and slower, so daylight fill with a modern speedlight means stopping well down or loading slow film.

The catch is the obvious one. There is no meter in the body. Minolta's answer was the clip-on SR Meter-S, which couples to the shutter speed dial, but that accessory is hard to find today, and one that still reads accurately is harder. A spot or reflected reading from the Zone Light Meter app is the practical fix here. It is the meter this body was sold without, and it lets you place shadows deliberately instead of guessing off a box chart.

Today the SR-1s gets passed over for the SR-T 101, which turns up everywhere and has the TTL meter built in. For most people that is the right call. The SR-1s suits a different shooter: someone who already meters by hand and wants a Minolta SR body with nothing inside that can fail electrically. Mirror lock-up comes along as a bonus. It also tends to be the overlooked body on the used market, which seems fair for a camera whose one missing part now fits in your pocket.

How the app handles this body

  • Metering: Take an incident or spot reading in the app and place your shadows on a chosen zone, then dial that exposure in. On a body with no meter, or one whose cell has drifted with age, the app is the meter you trust.
  • Flash sync: Focal-plane shutter, so flash sync tops out around 1/60. Above that the app's exposure pairs still hold for available-light work.

Frequently asked questions

What film does the Minolta SR-1s use?

The Minolta SR-1s shoots 35mm film, with a 24x36mm frame.

Does the Minolta SR-1s have a fixed lens or interchangeable mount?

It takes interchangeable Minolta SR lenses.

What are the Minolta SR-1s's shutter speeds?

Its focal-plane shutter runs 1s to 1/1000, with flash sync at 1/60.

Is the Minolta SR-1s still made?

No, it is discontinued (1967-1971) and bought used.

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