Minolta SRT-1001971

History

By 1971 the SRT-101 (1966) had become Minolta's benchmark mid-range SLR, but its retail price placed it above the entry point for students and enthusiast first-timers. Minolta introduced the SRT-100 as a stripped variant sharing the same body shell and shutter mechanism but eliminating the 1s, 1/2s, 1/4s, and 1/8s positions from the shutter-speed dial. The reduction in required slow-speed escapement tolerancing lowered the manufacturing cost sufficiently to position the body noticeably below the SRT-101 in catalog pricing.

The SRT-100 was discontinued around 1975, when the SRT-202 consolidated the upper end and the market had moved on from entry-level bodies in the original SR-mount platform. It was never sold as widely as the SRT-101 or SRT-202 and consequently appears less frequently on the used market.

Why It Matters

The SRT-100 is historically significant primarily as evidence of Minolta's tiered product strategy in the early 1970s — they would field multiple bodies sharing a platform to cover price points, a strategy they continued through the X-series. For contemporary film photographers, the SRT-100 presents a practical budget entry point into the Rokkor glass ecosystem: the CLC metering system and MC-mount compatibility are identical to the SRT-101, and the omission of slow speeds is rarely consequential for street, portrait, or available-light work at 1/30s and faster.

The caveat is that the SRT-100 is mechanically older and less refined than the SRT-202, with the same caveat that applies across the SRT line about mercury batteries and mirror foam. Its lower used prices relative to the SRT-101 reflect market unfamiliarity rather than any optical or mechanical inferiority for the typical use case.

Lenses & Accessories

The SRT-100 accepts SR and MC Rokkor lenses via the SR bayonet; MD lenses (post-1977) mount and meter correctly via the aperture-index coupling, though they postdate the body by several years. Early SR lenses may require stop-down metering.

Useful Rokkor glass for the SRT-100:

• MC Rokkor-PF 50mm f/1.4 — standard kit lens; sharp from f/2 onward
• MC Rokkor-PG 58mm f/1.4 — slightly warmer and faster-handling than the 50
• MC Rokkor-QF 28mm f/2.5 — affordable wide angle; useful for street
• MC Rokkor-TC 135mm f/2.8 — portrait-length; reasonably priced used
• MC W.Rokkor-HG 35mm f/2.8 — compact moderate wide

Accessories: standard PC sync socket; no dedicated motor drive was offered for the SRT-100 specifically. The Minolta Auto Winder D is nominally compatible with SRT bodies but was introduced after this model's production run; fitment should be verified per unit.

Sample Photographers / Notable Use

• The SRT-100 was an entry-level body marketed to students and amateur photographers in Japan and export markets; specific published attributions to named photographers are uncommon.
• Appeared in Minolta advertising and catalog materials targeting the educational market in the early 1970s.
• Served as the entry point into the Rokkor system for photographers who subsequently upgraded to the SRT-101 or XE-7.

References

• Camera-Wiki: Minolta SR-T 100
• Wikipedia: Minolta SR-T