Head to head · specs cited · drawn to scale

Hasselblad 500C/M vs Mamiya M645 1000S

Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.

The 3 biggest published differences

Weight (body): the 500C/M leads at 968 g vs the M645 1000S's 1570 g.
Format: 500C/M has 120 (6×6); M645 1000S has 120 (6×4.5).
Lens mount: 500C/M has Hasselblad V-system bayonet mount; M645 1000S has Mamiya M645 bayonet mount.

	500C/M Hasselblad V mount	M645 1000S Mamiya 645 mount
Overview
Type	Medium-format SLR	Medium-format SLR
Format	120 (6×6)	120 (6×4.5)
Lens mount	Hasselblad V-system bayonet mount	Mamiya M645 bayonet mount
Released	1970–1994	1976–c.1985 (M645 1000S variant)
Film camera
Film format	120 (6×6)	120 (6×4.5)
Metering	none (no built-in meter; waist-level finder has no metering capability)	none in base body (meterless Waist-Level Finder S configuration; metering only via optional PD/CdS Prism Finders)
Shutter	In-lens Synchro-Compur/Prontor leaf shutter (per-lens, not body)	Moving Coil Electronic Focal-Plane Shutter
Shutter speeds	1 sec – 1/500 sec, B	B, 8 – 1/1000 sec
Battery	none (fully mechanical)	One 6V silver-oxide battery (4SR44) or 6V alkaline (4LR44) — powers the electronic shutter, not required for metering in this configuration
Body & Handling
Dimensions (W×H×D)	170 × 109 × 104 mm	99.3 × 100 × 166.5 mm
Weight (body)	968 g	1570 g
Weather sealing	—, not published	—, not published
Shutter durability	—, not published	—, not published
Price
Launch price	—, not published	—, not published
Size, to scale
Front view, drawn at the same scale from each maker's published W×H (mm).
Smallest bag that fits
Body	WANDRD ROGUE 6L Sling V2 Fits body only · View at WANDRD	Think Tank Retrospective 4 V2.0 Fits body only · View at B&H Photo Video

Sources

official · 500C/M specifications: mikeeckman.com camera review (weight breakdown quoted by the reviewer, likely from period sales literature); dimensions from secondary aggregator sites (GearFocus product spec page). NEITHER figure could be verified against a primary Hasselblad document: the official 500C/M-500EL/M-SWC/M instruction manual (archive.org / cameramanuals.org scans, reviewed page-by-page) is an operating manual with NO dimensions/weight specifications table at all, and no separate Hasselblad "Data" spec-sheet leaflet could be located online. · accessed 2026-07-10

“Weight breakdown (500C, per mikeeckman.com): 'Complete setup: 1430 grams; Without lens: 968 grams; Without lens or back: 573 grams; Body only: 488 grams.' Dimensions (per GearFocus and other aggregator sites, uncorroborated primary source): '170 x 109 x 104 mm'”

official · M645 1000S specifications: Mamiya M645 1000S original instruction manual (scan, Scribd-hosted; same manual as butkus.org/focale22.com scans) · accessed 2026-07-10

“Dimensions and Weight: (width, height, depth, w/80mm f/1.9 lens) (w/Waist-Level Finder S) (w/1.9 lens) 3-29/32" x 3-15/16" x 6-9/16" 55.4 oz (99.3 x 100 x 166.5mm) (1570 g) ... Standard Lenses: Mamiya-Sekor C (multi-coated) 80mm f/1.9, automatic diaphragm, with meter coupler, 67mm filter size”

500C/M dimensions carry low confidence (archived-source caveat on its fit page).

Open in the comparator (add a 3rd/4th body) Bags for the 500C/M Bags for the M645 1000S Fit checker

Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.

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