Pentax smc FA 645 55-110mm f/5.6 Lens

Pentax 645 55-110mm Zoom Lens

The Pentax smc FA 645 55-110mm f/5.6 Lens is a versatile standard zoom designed for the medium format 645 system, providing a flexible range for various photographic needs. It offers exceptional sharpness and natural color rendition, making it a reliable tool for professional photographers capturing everything from portraits to expansive scenes. This lens ensures uncompromised image quality across its entire focal range, serving as a dependable workhorse for diverse field assignments.

Engineered with precision, the 55-110mm zoom features high-quality glass elements that effectively minimize common optical aberrations, ensuring clean and clear results in every shot. The compact and lightweight design allows for comfortable handling during extended shooting sessions, while the smooth zoom mechanism provides seamless transitions between focal lengths. Photographers can rely on this versatile focal range to adapt quickly to changing environments, making it a staple in any Pentax medium format kit for high-end commercial or landscape photography.

Pentax 55-110mm FA 645 Specifications

• Focal length: 55–110 mm equivalent coverage.
• Maximum aperture: f/5.6 across the zoom range.
• Minimum focusing distance: 2.62 ft (0.8 m).
• 9 Elements in 9 Groups with high-grade construction.
• Professional robust build for outdoor shooting environments.
• Best Application: Portrait and Landscape Zoom.
• Mount type: Pentax 645 compatible with 645D and 645Z bodies.
• Warranty: 1-Year Official Pentax USA Warranty.

Pentax 645 55-110mm General

This lens has been proven in various professional editorial productions and features precision-aligned mechanical parts for superior zoom reliability. It is widely endorsed by industry experts for its consistent resolving power on high-megapixel medium format digital sensors when shooting in the field.

Multi-Coated Optical Construction

The technical design using legendary smc coating reduces internal reflections and flare while maintaining high contrast throughout the frame. Landscape artists benefit from this construction by achieving clear and vibrant images even when shooting towards light sources in natural environments.

Constant f/5.6 Aperture Implementation

The constant aperture enables stable exposure management even when zooming through different focal lengths in manual mode. Commercial photographers rely on this feature to maintain consistent lighting levels when documenting products or outdoor fashion sessions without needing constant recalibration.

Internal Focusing AF System

The internal focusing design provides rapid and precise AF which improves the workflow for spontaneous street and travel photography. Professional shooters benefit especially in scenarios where capturing a decisive moment requires immediate and silent focus response from their medium format gear.

Lightweight Standard Zoom Chassis

The lens weighs 1.1 lb (500 g) with a barrel length of 4.09 in (104 mm) and a solid build. Outdoor photographers value this compact and portable design when hiking through challenging terrains or working on long handheld sessions where gear weight is a concern.

645AF Mount Compatibility

The Pentax 645 mount attaches natively to all 645-series digital and film cameras for full electronic functionality. Advanced photographers often find this seamless system integration vital for maintaining fast operational speeds during high-pressure commercial shoots or outdoor editorial expeditions.

Professional Landscape Photography Deployment

The versatile zoom range supports diverse framing tasks for professional photographers seeking to capture grand vistas. This lens reduces equipment swap pain points in mobile work settings while providing the resolution required for high-quality commercial prints and gallery displays.

FA 645 55-110mm Maintenance Protocol

Proper cleaning with specialized lens tissues prevents smudging on the smc coating for optimal light transmission throughout its lifespan. Keeping the lens in a dry environment maintains internal mechanical integrity over long periods of heavy field use under the 1-year official Pentax USA warranty.