The Helios 44M 58mm F/2.0 Prime Lens with M42 mount is a high-quality lens suitable for various camera brands such as Exakta, Praktica, Zeiss, Zenit, Fujinon, and Pentax. With a maximum aperture of f/2.0 and a focal length of 58mm, this manual focus lens is perfect for standard photography needs. Weighing 296g, this lens is lightweight and easy to handle, making it a great addition to any photographer's kit. The 52mm front lens and compatible filter size ensure versatile use for a range of photography styles. Aperture and focus both operate, note the preset aperture ring alignment is slightly off, f16 looks like just before f11, where as f2 is just after f2 on the dial, but it still works and clicks into place fine, im told this is common on these lens, see photos. clean glass.
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