106.00 USD
Zoom 80/160 SMC FA 645
Medium format lens with 80-160mm focal length and f/4.5 aperture, compatible with Pentax cameras.
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Introducing the Zoom 80/160 SMC FA 645
The Zoom 80/160 SMC FA 645 is a high‑performance telephoto lens designed specifically for Pentax medium format cameras. With its versatile focal range and robust build, it delivers exceptional image quality for sports, wildlife, portraiture, and any situation where you need to capture distant subjects with clarity.
Key Specifications
- Aperture Range: f/4.5 – f/32
- Maximum Aperture: f/4.5
- Minimum Aperture: f/32
- Focal Length: 80 mm to 160 mm (35‑mm equivalent: 64 mm – 128 mm)
- Filter Size: 77 mm
- Weight: 1.01 kg
- Lens Mount Interface: Pentax K (medium format)
- Autofocus: Yes, fast and accurate
- Optical Stabilisation: No
- Colour: Black (Zwart)
- Lens Structure: 11 elements in 10 groups
- Type of Use: Ideal for sports and action photography
Optical Design & Performance
The lens employs an advanced optical formula comprising 11 elements arranged in 10 groups, engineered to minimise chromatic aberration, distortion, and spherical aberrations. The inclusion of a Super‑Multi Coating (SMC) on all glass surfaces ensures high light transmission and reduces flare, resulting in sharp images with excellent contrast.
Its f/4.5 maximum aperture provides ample depth of field control while maintaining bright performance even at the widest setting. The ability to stop down to f/32 allows photographers to achieve a very shallow depth of field or to shoot in low‑light conditions without compromising image quality.
Zoom Range & Versatility
The 80 mm – 160 mm zoom range (equivalent to 64 mm – 128 mm on a full‑frame sensor) offers a flexible field of view that covers both medium‑distance portraits and tighter telephoto shots. This makes the lens an excellent choice for:
- Sports photography: Capture athletes from a distance while maintaining detail.
- Wildlife: Keep a safe distance from animals without disturbing them.
- Portraits: Achieve flattering compression and background blur.
- Event coverage: Adapt quickly to changing scenes with the zoom capability.
Build Quality & Handling
The lens features a robust metal construction that can withstand the rigors of outdoor shooting. Its 77 mm filter thread allows for easy attachment of polarizers, neutral density filters, and other accessories without affecting focus or exposure.
At just over 1 kg, the Zoom 80/160 SMC FA 645 strikes a balance between portability and stability. The ergonomic design ensures comfortable handling during extended shooting sessions.
Autofocus Performance
The integrated autofocus system is fast, accurate, and quiet, making it suitable for capturing fast‑moving subjects. Its compatibility with Pentax’s K‑mount autofocus electronics guarantees seamless integration with the camera body’s focus motor and control algorithms.
Compatibility & Mounting
This lens is specifically built for Pentax medium format cameras equipped with the K‑mount interface. It works flawlessly with a wide range of Pentax 645 series bodies, ensuring that photographers can take full advantage of their camera’s capabilities without any additional adapters.
Why Choose the Zoom 80/160 SMC FA 645?
- Superior optical performance: High‑quality glass and SMC coating deliver crisp, vibrant images.
- Versatile focal range: From moderate telephoto to tighter shots, all in one lens.
- Reliable autofocus: Quick focus for action photography.
- Durable construction: Built to endure demanding shooting environments.
- Lightweight design: Easy to carry and handle during long shoots.
Applications & Creative Possibilities
The Zoom 80/160 SMC FA 645 opens up a world of creative opportunities. Whether you’re documenting the intensity of a sporting event, capturing the subtle expressions in a portrait, or photographing wildlife from a safe distance, this lens provides the flexibility and performance needed to bring your vision to life.
Conclusion
The Zoom 80/160 SMC FA 645 stands out as a reliable, high‑quality telephoto lens for Pentax medium format enthusiasts. Its combination of optical excellence, versatile zoom range, and robust build makes it an indispensable tool for photographers who demand precision and creativity in every shot.
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| Colors
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| Identifiers | |
| Brand |  Pentax is a brand of photographic equipment, founded in Asahi Kogaku Goshi Kaisha in November 1919. The company produced the first Japanese-made 35mm camera in 1936, and went on to produce a number of popular 35mm SLRs, including the Pentax Spotmatic, which was introduced in 1964. Pentax also produces digital cameras, camcorders and binoculars. |
| Model | Pentax 26755 |
| MPN | Pentax 26755 |
| ID | 8558525 |
| Dimensions / Weight | |
| Key Features | |
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Aperture range The minimum and maximum f‑number (aperture value) that a camera lens or optical system can achieve, expressed as a numeric range (e.g., "F1.4-F16") or a single value when only one aperture is available. It indicates the zoom and light‑gathering capability of the lens.
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4.5 - 32 |
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Colour The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.
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Zwart |
| Filter size | 77 mm |
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Focal length The distance between the optical center of a lens and its image plane, expressed in millimetres. It can be a single value for fixed‑focal lenses or a range indicating the minimum and maximum focal lengths covered by zoom optics. This measurement helps users understand the field of view and zoom capability of cameras, lenses, and other optical devices.
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64 - 128 mm |
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Focal length range The minimum and maximum focal lengths that a camera lens or optical system can cover, expressed in millimetres (mm). It indicates the zoom capability of the device and helps users understand the field‑of‑view range available.
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80 - 160 mm |
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Lens mount interface List of lens mount interfaces supported by a camera or lens, such as Canon EF, Nikon F, Sony E‑mount, Micro Four Thirds, etc. The value can be a single interface name or a comma‑separated list of multiple compatible mounts.
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Pentax K |
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Lens structure The aspect ratio describes the proportional relationship between the width and height of a lens’s image circle or sensor coverage, expressed as a simple fraction (e.g., 12/9). It indicates how wide or tall the captured image will be relative to its other dimension. This value helps users compare lenses for compatibility with camera sensors and desired framing.
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11/10 |
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Lens type The classification of a camera lens, indicating its optical design and intended use such as prime, zoom, wide‑angle, telephoto, macro or specialty types (e.g., fisheye, polarizing). It helps buyers understand the lens’s focal range, aperture characteristics, and typical shooting scenarios.
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Telephoto |
| Maximum aperture | F4.5 |
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Maximum aperture number The highest f‑number (aperture value) that a camera lens can achieve when fully wide open. It indicates the maximum light‑gathering capability of the lens and is expressed as an integer or decimal without units.
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32 |
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Minimum aperture number The total count of openings, such as holes or ports, present in a product. This value indicates how many separate apertures are available for access, ventilation, or connection purposes.
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4 |
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Suitable for Indicates the types of products, users or environments for which the item is intended or compatible. The value can be a single category such as "Gaming" or a specific product type like "Computer case".
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Pentax medium format camera |
| Type of use | Sport |
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Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.
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1.01 kg |
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