Bronica 80mm f/3.5 Zenzanon-PG Lens for GS-1 6x7 Camera {72}

Model #219539

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The Standard Lens Built for Bronica's 6x7 Giant

The Zenzanon-PG 80mm f/3.5 was the standard optic paired with Bronica's GS-1, a 6x7 medium format system built for photographers who wanted large negatives without giving up a workable focal length. At 80mm on a 6x7 frame, this lens delivers a field of view close to what a 40mm lens gives on 35mm format, making it a natural everyday lens than a specialty piece.

a f/3.5 maximum aperture is respectable for a medium format normal lens of this class, giving enough light-gathering ability for handheld work in decent conditions while still allowing selective depth of field control when you want subject separation against a large-format background. The PG mount ties this lens specifically to the GS-1 body, so mount compatibility isn't a guessing game.

For photographers already invested in the GS-1 system, this is the lens that came home first for portraits, product work, and general studio use before anyone reached for the wider or longer glass in the lineup. It's a lens defined by its role: the workhorse focal length on a camera built to produce big, detailed negatives.

Who It's For

Portrait photographers working in studios benefit from the 80mm focal length's natural rendering on the 6x7 frame, avoiding the distortion that wider lenses can introduce at close working distances. Product and still-life shooters get a maximum aperture of f/3.5, enough to control depth of field around subjects while keeping enough light for careful metering on a tripod. Medium format enthusiasts already shooting the GS-1 system need this lens because the PG mount is specific to that body, and a standard focal length lens rounds out a kit that otherwise leans on wide or telephoto glass for specialized work. Documentary and fine-art photographers shooting large negatives for contact printing or scanning also rely on this focal length as their primary lens.

Key Features

  • 80mm focal length on 6x7 format, roughly equivalent to 40mm on 35mm
  • Maximum aperture of f/3.5 for medium format standard lens
  • Bronica GS-1 (PG) mount compatibility
  • Manual focus operation
  • Zenzanon optics delivering clean, sharp rendering
  • Standard optic for portraits, product, and studio work

FAQ

What focal length equivalent is the 80mm on a 6x7 frame?
On a 6x7 negative, the 80mm delivers a field of view close to a 40mm lens on 35mm film - a true standard lens that sits between wide and normal.
Can I use this lens on other Bronica bodies?
The PG mount is specific to the GS-1. It won't fit other Bronica camera bodies without an adapter.
Is f/3.5 fast enough for handheld shooting in available light?
Yes. For a medium format standard lens, f/3.5 provides adequate light-gathering for handheld work in decent conditions, though fast film or bright settings help on overcast days.
What was this lens designed for?
It shipped as the standard optic with the GS-1 and was built for portraits, product photography, and general studio work - the everyday focal length before switching to wider or longer glass.
Does this lens have autofocus?
No. The Zenzanon-PG is manual focus only, which is standard for Bronica medium format lenses.
What kind of image quality should I expect?
Zenzanon optics are known for clean rendering and good edge-to-edge sharpness when stopped down slightly. At f/3.5 wide open, expect some softening at the edges typical of medium format lenses from this era.
SpecificationValue
Focal Length80mm
Max Aperturef/3.5
MountBronica GS-1 (PG)

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Bronica
Filter Size 72mm
Focus Type Manual focus (only)
Lens Mount Bronica GS-1
Lens Type Standard / Normal
Max Focal Length 80mm
Min Focal Length 80mm

Learn what to expect from each condition, cosmetically. Images are representative of each grade and may not show the exact item you receive. All equipment is guaranteed to work as intended, unless otherwise noted. We also occasionally offer items that fall .

Exceptions


New
New in box complete with manufacturer's USA warranty. Not previously owned or used.
Like New
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
As Is
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.

Like New Minus

Like New Minus
Like New Minus

Like New Minus

Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent Plus

Excellent Plus
Excellent Plus

Excellent Plus

Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent

Excellent
Excellent

Excellent

Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Bargain

Bargain
Bargain

Bargain

Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Ugly

Ugly
Ugly

Ugly

Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.