Pentax 1:1.4 50mm

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The Pentax SMC-M 50mm f/1.4 is a manual focus prime lens designed for Pentax K-mount cameras, introduced in the mid-1970s. It features an all-metal construction typical of lenses from this era and includes Pentax's SMC (Super Multi-Coated) technology to minimize flare and ghosting. The lens has a maximum aperture of f/1.4, making it ideal for low-light photography and creating a shallow depth of field. Its optical formula typically includes 7 elements in 6 groups designed to produce sharp images with pleasing bokeh. The focus mechanism is smooth and precise, suited for manual focusing enthusiasts. Compatible with many Pentax film and digital DSLR cameras, this lens remains popular among vintage lens collectors and photographers seeking classic rendering.

The lens offers a bright f/1.4 aperture that excels in low-light situations and artistic applications requiring shallow depth of field. Its multi-coated elements improve contrast and reduce reflections, enhancing image quality. The solid metal construction ensures durability over time. The classic 50mm focal length provides a natural perspective, versatile for various subjects. Manual focus control allows for precise focusing adjustments preferred by many photographers. Despite its age, it maintains compatibility with modern Pentax DSLRs via the K-mount.

Being a manual focus lens, it lacks autofocus capability, which may slow down shooting speed in dynamic situations. The lens does not have modern image stabilization technology. Chromatic aberrations can appear in high contrast scenes, especially wide open. The vintage optical design might not match the sharpness and contrast of newer lenses without digital correction. Its build and coatings may not offer the weather sealing found in contemporary lenses. Limited to Pentax K-mount cameras, its use on other systems requires adapters with potential operational compromises.

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