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Beroflex MC Auto 3.5–4.5/28–50mm — Cosina-Made M42 Zoom Lens
A rather unusual and charming piece for lovers of classic M42 glass, the Beroflex MC Auto 3.5–4.5/28–50mm is a compact vintage zoom with a focal-length range you don’t often come across. Made by Cosina, this lens offers a distinctive alternative to the more common 28–70mm or 35–70mm vintage zooms, covering everything from a useful wide 28mm to a versatile 50mm.
The lens is surprisingly sharp, especially when stopped down, and has the unmistakable character that makes vintage manual-focus lenses so enjoyable to use. The unusual 28–50mm range makes it particularly interesting for photographers and collectors looking for something a little different.
This particular example is in beautiful condition. The glass is clean and clear, with no fungus or haze, and the aperture blades are fast and responsive. The zoom, focus, and aperture rings all operate smoothly, making the lens a pleasure to handle and shoot with.
A lovely choice for M42 mount enthusiasts, vintage-lens collectors, or anyone who enjoys discovering less-common classic optics. Its Cosina origins, unusual focal range, sharp rendering, and excellent physical condition make this a particularly appealing vintage zoom.
