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Mamiya RZ67 90mm f/3.5 Sekor Z W Lens

The Mamiya 90mm f/3.5 W is a 90mm f/3.5 lens designed for Mamiya RZ mount cameras. Used copies start from $292.39 on GearFocus, with buyer protection on every purchase.

Mamiya RZ67 90mm f/3.5 Sekor Z W Lens

Mamiya RZ67 90mm f/3.5 Sekor Z W Lens

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Mamiya RZ67 90mm f3.5 Sekor Z W Lens RZ-67

Condition: Good

Product Highlights

  • Standard 90mm focal length
  • Bright f/3.5 maximum aperture
  • Compatible with Mamiya RZ67 cameras
  • Renowned for sharpness and color fidelity

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Used Mamiya 90mm f/3.5 W Listings on GearFocus

Mamiya RZ67 90mm f3.5 Sekor Z W Lens RZ-67
Mamiya RZ67 90mm f3.5 Sekor Z W Lens RZ-67

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$292.39

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Lens Overview — Mamiya 90mm f/3.5 W

The Mamiya RZ67 90mm f/3.5 Sekor Z W is a manual focus prime lens built specifically for the Mamiya RZ mount system. Designed for medium format photography, it sits in the standard focal length range at 90mm, offering a natural perspective well-suited to a wide variety of shooting disciplines. With a maximum aperture of f/3.5, the lens provides meaningful control over exposure and depth of field rendering in a medium format context.

Focusing is entirely manual, keeping the handling deliberate and precise — a workflow well-matched to the measured, tripod-based shooting style that medium format cameras typically encourage. The lens accepts 77mm filters, a generous thread size that reflects the optical scale required to cover a medium format image circle. Weighing 560g, it is a substantial but manageable optic for its format class.

As a prime, it offers a single fixed focal length, which tends to reward disciplined composition. The Mamiya RZ mount interface means this lens is purpose-built for RZ67 bodies, with no adapter required in that native system. For photographers working within the Mamiya RZ67 ecosystem who need a standard-length prime, this Sekor Z W lens represents a direct, format-appropriate option.

Key Features — Mamiya 90mm f/3.5 W

90mm Standard Focal Length: Provides a natural, undistorted perspective on medium format, making it versatile across portrait, still life, and general studio work.

Medium Format Coverage: Designed to cover the 6x7cm image circle of the RZ67 system, delivering full-frame medium format image quality with no vignetting.

f/3.5 Maximum Aperture: Offers meaningful depth of field control for a medium format prime, allowing subject separation against pleasingly soft backgrounds.

Mamiya RZ Mount: Purpose-built for RZ67 bodies with native mount compatibility, requiring no adapter and ensuring full mechanical integration.

Leaf Shutter Design: Incorporates an in-lens leaf shutter, allowing flash sync at all shutter speeds — a significant advantage for studio and location flash work.

Manual Focus Only: Fully manual focusing suits the deliberate, tripod-based shooting style typical of medium format photography.

Lens Specifications — Mamiya 90mm f/3.5 W

Mamiya 90mm f/3.5 W full specifications
SpecDetail
Use CasesPortrait, Studio, Product
Lens TypePrime
FormatMedium Format
Zoom/PrimePrime
Focal Length90mm
Maximum Aperturef/3.5
Camera SystemMedium Format
Lens MountMamiya RZ
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread77mm

Description — Mamiya 90mm f/3.5 W

The Mamiya RZ67 90mm f/3.5 Sekor Z W is a prime lens designed exclusively for the Mamiya RZ mount system, making it a native fit for RZ67 medium format cameras. Operating at a fixed 90mm focal length, it falls within the standard focal length range, delivering a perspective that translates naturally across many photographic subjects. The lens opens to a maximum aperture of f/3.5, giving photographers meaningful control over light and depth of field in a medium format shooting context.

Focus is entirely manual, aligning with the deliberate, careful workflow that medium format shooting typically demands. At 560g, the lens has a solid build weight appropriate to its format. A 77mm filter thread provides broad compatibility with standard filter systems.

With no image stabilization and a manual-only focus system, this lens rewards photographers who prioritize precision and craft in their image-making process within the Mamiya RZ67 ecosystem.

Pros — Mamiya 90mm f/3.5 W

  • ✓Standard 90mm focal length covers a versatile range of subjects in medium format shooting
  • ✓Maximum aperture of f/3.5 provides useful light-gathering capability for a medium format prime
  • ✓77mm filter thread size accommodates a wide range of standard filter accessories

Cons — Mamiya 90mm f/3.5 W

  • ✗Manual focus only — no autofocus capability for faster-paced or spontaneous shooting
  • ✗No image stabilization, requiring steady technique or support for optimal sharpness
  • ✗560g weight adds meaningful heft to an already substantial medium format kit

Resources & Downloads — Mamiya 90mm f/3.5 W

Manuals & Guides

Frequently Asked Questions — Mamiya 90mm f/3.5 W

Is this lens compatible with Mamiya RB67 bodies?+
The lens is listed with a Mamiya RZ mount, which is specific to the RZ67 system. The RB67 uses a different mount, so direct compatibility is not indicated by the specifications. Verify mount compatibility before purchasing if you are using an RB67 body.
Does this lens support autofocus?+
No. The specifications confirm that autofocus is not supported and focus type is manual only. Users should be comfortable with manual focusing techniques when using this lens.
What filter size does this lens use?+
The lens has a 77mm filter thread, which is a common size that works with a broad selection of filters available from various manufacturers.
Does this lens include image stabilization?+
No. The specifications indicate image stabilization is set to None. Photographers should use a sturdy tripod or other support to minimize camera movement, particularly at slower shutter speeds.
How heavy is the Mamiya RZ67 90mm f/3.5 Sekor Z W?+
The lens weighs 560g according to the specifications. This is a meaningful consideration when planning a mobile or handheld medium format setup.

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