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Set Includes
- Mamiya Sekor-C 645 PL 35mm f/3.5
- Mamiya Sekor-C 645 PL 45mm f/2.8
- Mamiya Sekor-C 645 PL 55mm f/2.8
- Mamiya Sekor-C 645 PL 70mm f/2.8
- Mamiya Sekor-C 645 PL 80mm f/1.9
- Mamiya Sekor-C 645 PL 110mm f/2.8
- Mamiya Sekor-C 645 PL 150mm f/2.8
- Mamiya Sekor-C 645 PL 210mm f/4.0
Mamiya Sekor-C 645 PL
Prime - Spherical - Medium (65)
product details
The Mamiya Sekor-C 645 PL lenses bring the distinctive look of Mamiyaโs medium-format still-photography optics into cinema workflows through a clean PL-mount cine-mod. Retaining their original housings and optical designs, these lenses are appreciated for their smooth contrast, natural color rendering, and gentle focus falloffโqualities that translate beautifully to digital large-format capture. The set includes 35mm, 45mm, 55mm, 70mm, 80mm, 110mm, 150mm, and 210mm focal lengths, all modified with matching 80mm front diameters for accessory compatibility. With image circles that comfortably cover Medium Format (65) sensors and speeds as fast as f/1.9, the Sekor-C 645 lenses offer a pleasing blend of vintage character and modern adaptability. Available to rent worldwide from Cine Visuals.
Set Includes
- Mamiya Sekor-C 645 PL 35mm f/3.5
- Mamiya Sekor-C 645 PL 45mm f/2.8
- Mamiya Sekor-C 645 PL 55mm f/2.8
- Mamiya Sekor-C 645 PL 70mm f/2.8
- Mamiya Sekor-C 645 PL 80mm f/1.9
- Mamiya Sekor-C 645 PL 110mm f/2.8
- Mamiya Sekor-C 645 PL 150mm f/2.8
- Mamiya Sekor-C 645 PL 210mm f/4.0
| Type | - |
| Format | - |
| Lens Mount | - |
| Iris Blades | - |
| Metadata | - |
| Per Focal Length | |
| Focal Length | - |
| T-Stop | - |
| Close Focus | - |
| Front Diameter | - |
| Weight | - |
| Length | - |
| Era / Generation | |
| Contrast & Tonal Character | |
| Sharpness & Resolution | |
| Focus Fall-Off / Transition | |
| Iris & Bokeh Quality | |
| Flare & Highlight Behavior | |
| Handling & Ergonomics | |
| Build & Modifications | |
| Cinematic Heritage & Credits |
*Refer to the Technical Specifications table
Lens Type:
Vintage Cinema Lenses
|
PL Mount Cinema Lenses
Blogs
About the Mamiya Sekor-C 645 PL Cinema Lenses
The Mamiya Sekor-C 645 PL lenses bring the expansive visual language of medium-format photography into contemporary motion imaging. During the 20th century, Mamiya was considered one of the definitive high-grade medium format camera and lens manufacturers by professional photographers, making them experts in medium format optical technology. Originally designed for the Mamiya 645 stills system, this glass has been recontextualized for cinema through precise rehousing and PL integration, preserving its analog character while enabling modern production workflows. The result is a lens family that balances technical reliability with a distinctly organic rendering.
Across the set, these lenses are defined by a gentle, painterly sharpness, warm color reproduction, and a natural falloff that enhances dimensionality. Cinematographers are drawn to their ability to soften digital precision without sacrificing clarity, offering an image that feels both composed and emotive. As part of the broader Mamiya lineage renowned for medium-format excellence, these lenses deliver a refined yet expressive look that translates seamlessly across Full Frame and 65mm capture.
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Image Fidelity & Focus
The Sekor-C 645 lenses offer a balanced optical profile that merges vintage character with controlled precision. Multi-coated elements provide consistent sharpness across the frame, while contrast remains moderate, allowing highlights and skin tones to roll off naturally. Focus transitions are smooth and gradual, contributing to a three-dimensional image with gentle subject separation. Central sharpness is complemented by subtle edge falloff, creating a natural emphasis without feeling clinical. Wide open, minor aberrations and softness enhance the organic aesthetic rather than detract from it.
Handling & Adaptability
Reworked into PL configurations, these lenses are engineered for professional production environments. Standardized mechanics, geared rings, and robust housings transform the original stills lenses into dependable cinema tools. Their adaptability extends across modern camera systems, covering Full-Frame sensors with ease and thriving in the medium-format/65mm filmmaking landscape. This flexibility, paired with consistent ergonomics, allows the set to integrate seamlessly into a wide range of workflows from handheld setups to studio builds.
Flare & Bokeh
Flare behavior is expressive and character-driven, producing bold, often ghostly highlights with subtle color separation under direct light. These artifacts contribute to a classic vintage look of a textured, cinematic image. Bokeh is smooth and rounded, with a soft focus falloff that enhances depth and subject isolation. Combined with the medium-format optical design, bokeh feels dimensional and immersive, reinforcing the lensesโ organic visual identity.
Image Circle
A defining characteristic of the Sekor-C 645 design is its generous image circle. Derived from Mamiyaโs mastery over still photography medium-format, these lenses comfortably cover Full Frame and 65mm sensors for maximum large-format capture. This expansive coverage enables versatile pairing with speed boosters or native mounts, offering cinematographers greater control over field-of-view and depth-of-field. The result is a system that scales with evolving sensor technologies while retaining its signature look.
Cinematic Heritage
Introduced in 1975, the Mamiya 645 system was engineered for professional photographers seeking portability without compromising medium-format image quality. Decades later, its Sekor-C optics found renewed relevance during the rise of vintage lens rehousing, where their distinct rendering became highly sought after in cinema. The PL-mounted cine-modded variants maintain this lineage bridging still photography heritage with modern cinematography. Their enduring appeal lies in a timeless visual signature that feels grounded in analog tradition yet fully compatible with contemporary large-format workflows.
Technical Specs Table
T-Stop
Type
Format
Front Diameter
Lens Mount
Metadata
Close Focus (ft)
Close Focus (m)
Weight (lbs)
Weight (kg)
Length (in)
Length (mm)
Iris Blades
Image Circle
Front Filter
Rear Filter
Horizontal Angle of View (Full Frame)
Horizontal Angle of View (S35)
Focus Rotation
f/3.5
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/2.8
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/2.8
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/2.8
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/1.9
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/2.8
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/2.8
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
f/4.0
Spherical
FF/Medium (65)
80 mm
PL
โ
โ
โ
โ
โ
โ
โ
โ
60 mm
77 mm
โ
โ
โ
โ
Blogs
Links & Downloads
PROJECTS SHOT WITH
Mamiya Sekor-C 645 PL
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