Pentax 50mm F2.8 D FA SMC Macro Lens

PentaxSKU: 27075108639

Sale price£399.00

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Product Description

Pentax 50mm F2.8 D FA SMC Macro Lens

  • Optimised for use with digital cameras
  • Compatible with PENTAX SLR film cameras
  • Magnification to 1:1
  • Quick Shift Focus System
  • Corresponds to a focal length of approx. 75mm with the Pentax digital cameras
  • Built-in focus-clamp mechanism to fix focus at any distance


The PENTAX SMC P-D FA 50mm f/2.8 macro lens is a digital camera lens that has been designed with precision to deliver exceptional image quality. The curvature and positioning of the optical elements have been optimized to eliminate flare and ghosting, ensuring that your images are clear and of the highest quality. This feature is particularly important in digital photography, where image clarity is paramount.

This versatile lens can also be used as a telephoto lens, making it an excellent choice for a wide range of photography applications. The multi-layer coating on the lens reduces surface reflection, minimizes ultraviolet rays, and delivers clear, high-contrast images. This coating is one of the most acclaimed features of the lens, and it ensures that your images are sharp and vibrant.

Overall, the PENTAX SMC P-D FA 50mm f/2.8 macro lens is an excellent choice for anyone looking to take their digital photography to the next level. Its precision design, versatile functionality, and exceptional image quality make it a must-have for any serious photographer.
Focal Length 50mm
Equivalent to 76.5mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras)
Maximum Aperture F1.4
Minimum Aperture F16
Lens Construction 15 elements in 9 groups
Angle of View (Diagonal) 47°(when attached to PENTAX 35mm full-frame SLR cameras)
31.5°(when attached to PENTAX APS-C size DSLR cameras)
Mount KAF4
Minimum Focusing Distance 0.4m (1.3ft.)
Maximum Magnification 0.18x
Filter Diameter 72mm
Diaphragm Control Electromagnetic diaphragm
Fully automatic
Number of Diaphragm Blades 9
Rounded diaphragm (50mm:F1.4-F2.8)
Aperture: Ring N/A
Tripod Mount N/A
Lens Hood PH-RBB72 (included)
Lens Cap O-LC72 (included)
Lens Case S100-140 (included)
Maximum Diameter x Length approx. 80mm x 106mm (approx. 3.1in. x 4.2in.)
Weight approx. 910g / with hood approx. 955g
(approx. 32.1 oz./ with hood approx. 33.7oz.)
Temperature -10°C~40°C (14°F~104°F)
Humidity 85% or less (no condensation)
Included Accessories Lens Hood PH-RBB72, Lens Cap O-LC72,
Lens Mount Cap K,Lens Case S100-140
Others HD Coating
Aero Bright Coating II
SP (Super Protect) Coating
AW (All Weather Resistant)
Quick-shift Focus System (QFS/M)
SDM (Ultrasonic Motor)

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Understanding: Aperture

Aperture is the opening in a camera lens that controls how much light enters the camera. It's measured in f-stops like f/2.8 or f/8. Lower f-stop numbers mean wider openings, letting in more light and creating a shallow depth of field (blurry background). Higher f-stop numbers mean smaller openings, letting in less light and creating a larger depth of field (more of the scene in focus). Aperture also affects the quality of out-of-focus areas in the image (bokeh).

Understanding: Lens Types

Different lenses have different purposes to achieve different styles of images, some popular ones include:
Prime Lens: Fixed focal length, sharp images, great for portraits and dark settings.
Zoom Lens: Variable focal length, versatile for different shots and everyday use..
Wide-Angle Lens: Captures wide scenes like landscapes.
Telephoto Lens: Magnifies distant subjects, ideal for sports & wildlife.
Macro Lens: Perfect for close-up photography of small subjects.
Fisheye Lens: Ultra-wide perspective, creates unique images.

Understanding: Lens Mounts

Different camera brands use different lens mounts, which are like connectors that attach lenses to camera bodies. Each mount is specific to a particular brand and camera series. For example, Canon uses the EF and RF mounts, Nikon uses the F mount, Sony uses the E mount for its mirrorless cameras. These mounts dictate which lenses are compatible with which cameras. Some brands offer adapters to use lenses from other systems, but it's essential to ensure compatibility for proper functionality and autofocus performance.

Understanding: Manual and Autofocus

Manual focus and autofocus are two ways to adjust the sharpness of a camera lens. With manual focus, you turn a ring on the lens to bring the subject into focus yourself, giving you full control over what appears sharp in the image. Autofocus, on the other hand, relies on the camera's built-in technology to automatically adjust the focus for you, usually by detecting contrast or phase differences in the scene. Autofocus can be convenient, especially for fast-moving subjects or when you need to capture a quick shot, whereas manual focus allows for precise adjustments and creative control over the final image.

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