Pentax smc 100mm f/4 Bellows Lenses (English page)

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Pentax smc 100mm f/4 Bellows Lenses

What is Pentax smc 100mm f/4 Bellows Lenses?

The Pentax smc 100mm f/4 Bellows Lenses is a versatile camera accessory designed for close-up and macro photography. It is a manual focus lens specifically made for use with bellows units, which are extension devices that allow for precise control over the distance between the lens and the subject. This lens is primarily used in conjunction with Pentax film cameras, providing exceptional image quality and flexibility in capturing detailed close-up shots.

About the Pentax smc 100mm f/4 Bellows Lenses

The Pentax smc 100mm f/4 Bellows Lenses features a fixed focal length of 100mm and a maximum aperture of f/4. It is constructed with high-quality optics, including Super Multi Coating (smc) technology, which minimizes flares and ghosting while ensuring excellent color reproduction and contrast.

One of the standout features of this lens is its ability to achieve a 1:1 magnification ratio, allowing photographers to capture subjects at life-size proportions. This makes it ideal for capturing intricate details of small objects, such as insects, flowers, or product photography.

The lens is mounted onto a bellows unit, which functions as an extension tube that can be adjusted to vary the distance between the lens and the subject. This allows for precise control over the focusing distance, enabling photographers to achieve the desired level of magnification.

Using the Pentax smc 100mm f/4 Bellows Lenses

To use the Pentax smc 100mm f/4 Bellows Lenses, you’ll need to attach it to a compatible bellows unit, which can be mounted onto a Pentax film camera. The lens is manually focused by adjusting the distance between the lens and the subject using the bellows unit.

It is important to note that this lens requires a certain level of technical expertise and patience to master. Achieving sharp focus and accurate exposure may take some practice, especially when working with highly magnified subjects. However, with practice and experience, photographers can unlock the full potential of this lens and capture stunning close-up images.

Availability and Pricing

The Pentax smc 100mm f/4 Bellows Lenses were first released in the late 1980s, primarily targeting professionals and enthusiasts who were passionate about macro photography. The lens is no longer in production, but it can still be found in the used market or through specialty photography retailers. The pricing for a second-hand unit can vary depending on its condition and availability.

In conclusion, the Pentax smc 100mm f/4 Bellows Lenses is a fantastic tool for macro photographers looking to capture detailed and close-up shots. With its 1:1 magnification ratio and precise control over focusing distance, it offers versatility and high image quality. While it may require some technical knowledge and practice to master, the results can be truly rewarding.

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