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Pentax 645 Medium Format Film Camera

The Pentax Pentax 645 is a Medium Format medium format camera — known for its Medium Format 6×4.5cm Frame and 120 and 220 Film Support. Check GearFocus for current availability, with buyer protection on every purchase.

Pentax 645 Medium Format Film Camera

Pentax 645 Medium Format Film Camera

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Overview — Pentax Pentax 645

The Pentax 645 is a medium format SLR film camera manufactured during the 1980s, built around the Pentax 645 lens mount and designed for photographers who demand the expanded image area that medium format film delivers. It accepts both 120 and 220 roll film, giving shooters flexibility in how many exposures they carry into a session. The camera uses a focal plane shutter and is compatible with the full range of interchangeable Pentax 645 mount lenses, making it a versatile platform for a variety of shooting disciplines.

Flash connectivity is handled through both a hot shoe and a PC sync port, accommodating a wide range of studio and on-location lighting setups without the need for additional adapters. Focusing is entirely manual, which suits deliberate, methodical shooting styles common in medium format work. Weighing between 1,400g and 1,500g, the Pentax 645 is a substantive camera that reflects the build expectations of professional-grade film equipment from its era.

For photographers interested in the medium format film experience on the Pentax 645 system, this camera represents a well-established and capable entry point into that ecosystem.

Key Features — Pentax Pentax 645

Medium Format 6×4.5cm Frame: Shoots on 120 and 220 roll film at the 6×4.5cm format, delivering a significantly larger image area than 35mm for finer detail and smoother tonal gradation.

120 and 220 Film Support: Accepts both 120 and 220 roll film, giving shooters the choice between a standard 15-exposure roll or a longer 30-exposure roll for extended sessions.

Pentax 645 Lens Mount: Compatible with the full range of interchangeable Pentax 645 mount lenses, including both vintage and later autofocus-capable optics from the same system.

Focal Plane Shutter: Built-in mechanical focal plane shutter operates independently of the lens, allowing use of any Pentax 645 mount lens without requiring leaf-shutter optics.

Manual Focus SLR: Through-the-lens viewing with manual focus suits the deliberate, measured shooting pace typical of medium format photography.

Dual Flash Connectivity: Equipped with both a hot shoe and a PC sync port, accommodating a wide range of flash units for studio and on-location lighting setups.

Specifications — Pentax Pentax 645

Pentax Pentax 645 full specifications
SpecDetail
Use CasesPortrait, Landscape, Studio, Fashion, Architecture
SensorMedium Format
AF SystemManual Focus Only
Lens MountPentax 645
Hot ShoeISO Standard (Universal)

Description — Pentax Pentax 645

The Pentax 645 is a medium format SLR film camera produced during the 1980s, built on the Pentax 645 lens mount and designed for photographers working with roll film. It accommodates both 120 and 220 film formats, providing versatility in exposure count depending on the assignment. The camera features a focal plane shutter and manual focus operation, well-suited to the deliberate pace that medium format film photography typically demands.

Flash integration is covered by both a hot shoe and a PC sync port, making it easy to pair with a wide variety of flash systems in studio or on-location settings. The interchangeable lens system using Pentax 645 mount lenses gives photographers the ability to build out a capable optical kit around this body. At 1,400–1,500g, the Pentax 645 carries the solid, purposeful weight expected of professional medium format equipment from its era.

Pros — Pentax Pentax 645

  • ✓Supports both 120 and 220 roll film, offering flexibility in exposure count per roll
  • ✓Pentax 645 lens mount enables use of interchangeable Pentax 645 mount lenses
  • ✓Dual flash connectivity via hot shoe and PC sync port suits studio and location lighting

Cons — Pentax Pentax 645

  • ✗Manual focus only — no autofocus capability, requiring precise hand-focusing for every shot
  • ✗Weight of 1,400–1,500g makes it notably heavier than 35mm SLR alternatives
  • ✗Lens compatibility is limited to Pentax 645 mount lenses, restricting cross-system use

Resources & Downloads — Pentax Pentax 645

Manuals & Guides

Frequently Asked Questions — Pentax Pentax 645

What film types does the Pentax 645 accept?+
The Pentax 645 is compatible with both 120 and 220 roll film formats. This gives photographers the option to use the more widely available 120 film or the longer 220 rolls for additional exposures per load.
What lenses can I use on the Pentax 645?+
The camera uses the Pentax 645 lens mount and accepts interchangeable Pentax 645 mount lenses. It does not natively support other lens mount systems.
Does the Pentax 645 support flash sync?+
Yes, the Pentax 645 offers two flash connection options: a hot shoe on top of the camera and a PC sync port. This makes it compatible with a broad range of flash units used in both studio and field environments.
Is the Pentax 645 suitable for a photographer new to medium format?+
It can be a solid entry point into the Pentax 645 system, though buyers should note the camera is fully manual focus and was manufactured in the 1980s. Prospective buyers should confirm the body has been serviced or tested before shooting critical work.
How heavy is the Pentax 645?+
The Pentax 645 weighs between 1,400g and 1,500g depending on configuration. Photographers should factor this into their kit planning, especially for extended handheld shooting sessions.

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