SMC PENTAX-FA 50MM F1.4 CLASSIC

€449,99

SMC PENTAX-FA 50MM F1.4 CLASSIC

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€449,99

A standard lens, providing unique image rendition resembling that of an old-time lens

In stock

Distinctive image rendition
Compatibility with older cameras
Nostalgic design

Lens Type

Single Focus - Standard Lens

Compatible Sensor Size

35 mm Full Frame + APS-C

Focal Length

50mm
Angle of View

31,5°

Mount

K-AF

Lens construction

7 elements / 6 groups

Lens glossary - knowing more about Pentax lenses

PENTAX lenses are an important part of the image quality. There are a lot of festures influencing the useabilty and t...

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smc PENTAX-FA 50mmF1.4 Classic for pictures with a unique visual effect

This lens is based on the smc PENTAX-FA 50mmF1.4, which was introduced in 1991 as the standard lens for 35mm SLR cameras.
Due to its large aperture and distinctive image reproduction, which is different from today's lenses for digital cameras, it has become increasingly popular, especially in recent years.
The popularity of this lens, which is one of the best-selling Pentax lenses, prompted us to redesign it. On the one hand, we wanted to preserve the special image reproduction of the classic, on the other hand, we wanted to produce a modern lens that meets the current demands of photography. The result is two lenses, and depending on the photographer's task or creative orientation, he can decide which lens to choose.

Distinctive imaging characteristics

Through intentional fine-tuning of the lens design, this lens has been designed to produce a unique visual effect commonly known as rainbow flare when an image is captured at open aperture* and against strong backlight. It lets the photographer change the position and size of the rainbow flare by shifting the relative position of the subject and light source, creating this unique visual expression not available with the latest lenses. By closing the aperture down to F4 or smaller, the photographer can also capture sharper, crisper images with minimal flare and ghost images.

Thanks to its large F1.4 open aperture, this lens captures images with a very shallow depth of field. Its eight-blade diaphragm control mechanism produces a soft, natural bokeh (defocus) effect from open aperture to F2.8, and also minimizes the streaking effect of point light sources.

The lens coating on each optical element of the smc PENTAX-FA 50mm F1.4 Classic has been fine-tuned to minimize the generation of unwanted ghost images, while retaining those that are essential in producing its distinctive rendition.

Nostalgic design

This lens retains the exterior design of its base model — the smc PENTAX-FA50mm F1.4 — and features a black matte finish and a matte-black focus ring. It has no green ring — the symbolic design of recent PENTAX-brand lenses — to recreate the nostalgic appearance of interchangeable lenses designed for PENTAX Z-series film-format cameras.

* It may be difficult to create rainbow flare when the lens is mounted on an APS-C-format digital SLR camera, because the camera’s image sensor is designed to use only the central area of the image circle.

Compatibility with older cameras

Thanks to the aperture ring installed on the lens body, and the coupling mechanism with the camera’s motor-driven, in-body AF system, this lens is designed to be fully compatible with older K-mount digital SLR cameras and film-format AF SLR cameras, allowing the photographer to retain all camera functions of these models.

Lens Filter ND16
During shooting, the user is advised to mount a Neutral Density (ND) filter (included as a standard accessory), or a commercial ND filter designed to reduce light transmittance in the lens to less than a 1/16 level, on the lens.

SP Coating

SP coating is a PENTAX-original special coating that provides superior performance in repelling water and oils. It is used on the front surface of the first high-performance lens for effective protection of the lens surface. This coating not only prevents adhesion of dust, water drops, oils, and other substances, but it also makes it easy to wipe off objects that adhere to the lens.

【MTF Chart】

*Geometric optics MTF
(MTF calculated without referencing the effects of light diffraction phenomenon)
**Wave optical MTF (MTF calculated referencing the effects of light diffraction phenomenon)

MTF chart information

MTF (Modulation Transfer Function) is a kind of index used to evaluate lens performance, which represents the extent of subject contrast reproduction as spatial frequency.
The MTF chart here shows the contrast on the vertical axis, and distance from the center of the image on the horizontal axis. For the spatial frequency, 10 lines/mm shows a low frequency, and 30 lines/mm shows a high frequency, resulting in the MTF graph. On the graph, the solid line represents the S direction (sagittal direction and radiation direction) MTF, and the broken line represents the M direction (meridional direction and concentric circular direction) MTF.
In general, a low-frequency MTF is proof of a clear, high-contrast lens, and a high-frequency MTF is proof of a sharp lens with high resolving power.

PENTAX K Mount

The lens mounts for PENTAX interchangeable lenses are based on the bayonet K mount, which has remained unchanged since its inception in 1975. It is a mount unique to PENTAX that features a large aperture combined with superior ease of replacement, accuracy, and toughness. These features are utilized to comfortably incorporate an iris control mechanism, autofocus mechanism, and other functions for enabling nearly complete compatibility with conventional lenses. The PENTAX K Mount keeps its advanced versatility despite differences in camera and lens functions.

In addition, this lens is equipped with an aperture ring, which means that it can also be used on older cameras without electronic aperture control without any restrictions.