The Minolta XK-1 SLR - Specifications

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Minolta XK | XM Specifications

Type: Interchangeable-finder/focusing screens type 35mm single-lens reflex with electronic focal-plane shutter. Integral motor-drive on XK Motor model.
Minolta XK top view Credit: Image(s) courtesy of Brian Balogh® from
Brian's Camera Shop (formerly Fotoworks) 674 Elgin Street Newmarket, Ontario L3Y 3B4 Canada (905)868-8256-phoneImage copyright © 2008. All rights reserved. Please respect the visual property of the contributing photographer.

XK | XM .jpg (21k)
Lens mount: (Standard lenses: MC Rokkor-X 50mm F1.7, 50mm F1.4, or 58mm F1.2) * Compared this with MD Lens spec. Stainless steel.
Coupling: For full-aperture metering and automatic diaphragm operation with MC (Meter-Coupled) Lenses (Stop-down metering is used for other than MC Lenses.). Button for depth-of-field preview and stop-down metering

Shutter: Electronically controlled focal-plane type with titanium curtains and
2 mechanically controlled settings (Mechanical settings: X (1/100th sec.) and B). Electronic speeds: 1/2000th sec to 16 seconds in steps, 8 to 1/2000th sec stepless.
Electronic speeds: 16 to 1/2000 sec. in steps, 4 to 1/2000 sec. continuously variable (with Auto Electro Finder)
Mechanical settings: X (1/100sec.) and B
Curtain traverse time: 9ms
Power source: Two 1.5v silver-oxide batteries (Mallory MS-76, Eveready S-76. Film advance locks when voltage is insufficient.
Viewfinder: Interchangeable type showing 98% of area appearing on film (Auto Electro, Plain, High-Magnification, and Waist-Level Finders available);
Focusing Screens: Type P focusing screen (matte Fresnel field with horizontally oriented split-image spot) supplied as standard, interchangeable with 8 other screen types.
Film advance: Lever type, single-or multiple-stroke, 110 degrees winding angle after 20 degrees un-engaged movement; advancing-type exposure counter resets automatically when camera back is opened. Motor Driven (XK | XM Motor only): With either "S" (single frame) or 1, 2, 3 or "H" (3.5 continuous frames per second. Automatic advance stop. Film advance will disabled when voltage is insufficient. No power rewind feature is offered
except the XK/XM Motor model, A sensor to stop rewinding before the film is rewound completely into the film cartridge.
Multiple Exposures: Possible with film advance release button.
: Oversize, quick-return type, with Lock-up device: no image cutoff even with extreme telephotos (PO value: 140mm)
Minolta XK top view Credit: Image(s) courtesy of Brian Balogh® from
Brian's Camera Shop (formerly Fotoworks) 674 Elgin Street Newmarket, Ontario L3Y 3B4 Canada (905)868-8256-phoneImage copyright © 2008. All rights reserved. Please respect the visual property of the contributing photographer.

Self-timer: Lever type,operating time variable from approx. 6 to 10 sec.
Flash sync: X contact: Electronic flash synchronizes at 1/100 (X) and longer stipples and step speeds, FP contact: FP bulbs synchronize at all step speeds through 1/2000 sec. including X (1/100); single terminal in threaded socket with X/FP switch; direct contact on accessory mount for Minolta cordless flashguns with optional accessory hot shoe.
Others: Built-in Auto "Senswitch'' keeps finder power on while camera is held in usual operation (alternate switch located on Auto Electro Finder); battery checker on end of body; accessory mount (with direct flash contact) on body around back-release knob; loaded film reminder on bottom.
Dimensions: 84mm x 147.5mm x 48mm (3-5/16" x 6" x 1-15/16") without lens
Weight: 670g (23-9/16 oz.) without lens

* Interchangeable lenses and accessories common to SR-T 101, etc.

ALSO CHECK: Additional info on XK | XM Motor

AUTO ELECTRO FINDER - Specifications

Type: Eye-level pentaprism with built-in meter and automatic electronic and match-needle/manual exposure-control apparatus
Circuits: Incorporate monolithic and hybrid IC's with 41 transistors.
0.8X with 50mm lens
Visible in finder:
F-number, shutter-speed/function scale, meter/indicator needle, speed/function bar, light-emitting diode exposure warning signal.
Measuring range:
Built-in TTL CLC with 2 CdS cells for full-aperture metering with MC Rokkor Lenses, stop down metering with other Rokkor Lenses
Film-speed range:
EV 1 to EV 17 (e.g., 1 sec. at F1.4 to 1/2000 at f/8) with f/1.2 lens at ASA 12 to 6400
Shutter-speed/function dial:
AUTO, X, B, 1, 2, 4, 8, 15, 30, 60, 125, 250, 500, 1000 and 2000
Auto-exposure override:
- 2 EV to +2 EV stepless manual control
Compensation scale:
- 0.5 EV to +3.5 EV in half-step graduations
Power source:
2 silver-oxide batteries for shutter control in camera base (shared use)
50mm x 76mm x 65mm (1-15/16" x 3" x 2-9/16")
225 g (8-1/8 oz.)
Power switch for use in lieu of body Auto "

Standard Lenses Specifications:


50mm f/1.7 MC Rokkor-X

50mm f/1.4 MC Rokkor-X

50mm f/1.2 MC Rokkor-X


Metered Coupled Gauss-Type Standard Lenses

Constructions 6 elements in 5 groups

7 elements in 5 groups

7 elements in 5 groups

Angle of view

46 degree

41 degree

Minimum focusing Distance

0.5m (1.75 ft)

0.5m (1.75 ft)

0.6m (2 ft)

Aperture Scale 1.7, 2.8, 4, 5.6, 8, 11, 16 1.4, 2, 2.8, 4, 5.6, 8, 11, 16 1.2, 2, 2.8, 4, 5.6, 8, 11, 16

EACH with FULL and HALF click stops


Fully automatic, meter-coupled


Double Helicoid System

Filter Thread Diameter



64.8mm x 41mm
(2-9/16" x 1-5/8")

65.6mm x 46mm
(2-9/16" x 1-7/8")

70.8mm x 54mm
(2-13/16" x 2-1/8")


240g (8-7/16 oz)

305g (10-3/4 oz)

475g (16-3/4 oz)

Other Minolta (now Konica-Minolta) resources on the web:
Free Instruction Mannuals in PDF format downloads for:
Minolta X-370 (300) (2.9 MB) | Minolta X-570 (1.9 MB) | Minolta XG-1 (1.8 MB) | Minolta XG-7 (1.5 MB) | Minolta XG-A (1.8 MB) | Minolta XG-M (1.9 MB) | Minolta SR7 (1.5 MB) | Minolta SR-T (7.0 MB) | Minolta SR-T 102 (1.8 MB) | Minolta SR-T 200/201/202 (2.8 MB) | Minolta SR-T 303 (1.7 MB) | Other models & system accessories (USA) All works courtesy of Mr. Jim, lensinc. Ltd. Thank him, as these are not my effort.

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Basic Camera Operations XK/XM/X-1: 5 Parts
Specification for XK/XM/X-1:
Main Reference Map for XK/XM/X-1:
HTML | PDF (250k)
Additional info on
XK | XM Motor - by Satosh Oka
More images on XK Motor By : Stephen Schwartz (New)
XK USA fold-out Product brochure in HTML files
and a huge
PDF (1.3MB) copy. Contributed by : Mark Wasmer

Some fabulous views of the Internal Structures that made up of a Minolta XM by Gino Mancini (New);Three great images of a Minolta XM/XM Motor scanned by Hervé Prigent of France (New)

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Credit: Satosh Oka for his superp imagery of the XK Motor and XD-7; ® Stephen Schwartz, for his images of the XK Motor appearing in this site. Mark Wasmer, for his collection of the original marketing brochure. Oleg Volk, who has given me some help; Dick Sullivan whom I had used some references in his site; Hervé Prigent <>of France for his great scanned images from brochure of Minolta XM/XM Motor; Gino Mancini <> for his images of the internal structure of the XM; CYLeow ® , photo editor of the Star newspaper, Malaysia, Mr Poon from Poon photo for their input on Minolta older SLR bodies. Minolta, XD-7, XK, XM, X1, Rokkor, MC lenses are either registered tradenames or trade mark of Milnolta Optical Co. Ltd, Japan. A site dedicted to all Minolta fans worldwide. Made with an Imac.