Mamiya-Sekor 180mm f/4.5 Seiko Lens for TLR, Black Review

The Mamiya-Sekor 180mm f/4.5 is a telephoto lens designed for Mamiya's twin-lens reflex cameras, offering moderate reach for portrait and detail work. At 180mm, it extends the versatility of a TLR kit beyond the standard 80mm focal length, making it a useful option for shooters who want more compression and tighter framing without switching to a different camera system. This particular unit is sold as a bargain-condition used item from KEH, which means visible wear and functional imperfections are likely, though it should remain usable for its intended purpose.

At $157, this lens sits in the affordable range for vintage medium format glass, especially for those already invested in the Mamiya TLR ecosystem. The f/4.5 maximum aperture is modest but typical for a telephoto of this era and format. Given its bargain condition and the niche nature of TLR telephoto lenses, it's best suited to collectors, hobbyists, or budget-conscious film shooters willing to work around cosmetic or minor optical flaws. Expect this to be a secondary lens rather than a daily driver, and be prepared for the quirks that come with used vintage optics.