Duplicate listing of the Mamiya 645 210mm f/4 — same lens as ID 3598.
The Mamiya 645 210mm f/4 is a duplicate listing of the Mamiya Sekor N 210mm f/4 described under ID 3598. It is a telephoto prime for the Mamiya 645 medium format system, providing approximately a 130mm equivalent perspective on the 645 format. Used for portraits, wildlife, and compressed landscape compositions on medium format film.
Optical performance is good for medium format. Sharpness is very good when stopped down with the resolution advantage of the larger 645 format. The f/4 aperture provides reasonable depth of field control. Bokeh is smooth. The longer telephoto perspective on medium format creates a distinctive look. Quality is consistent across this and the alternate listing.
Mamiya 645 mount. Filter thread is 58mm. Weight is approximately 580 grams. Build quality is solid professional grade. Manual focus with a smooth helicoid. No leaf shutter — uses the camera's focal plane shutter. Compatible with Mamiya 645 Pro, Super, and later bodies in the system.
Available on the used market at reasonable prices. Verify this is the same lens as the alternate listing before purchasing both. Check for smooth focus and clean optics. A useful telephoto for the 645 system at moderate cost. The 150mm f/3.5 is the more popular portrait option in the Mamiya 645 lineup.