Mamiya's telephoto for the 645 system — the Sekor N 210mm for medium format portrait and wildlife work.
The Mamiya Sekor N 210mm f/4 is a medium-telephoto prime for the Mamiya 645 medium format system — the N (New) designation distinguishes it from older Sekor variants. Mamiya 645 mount.
210mm focal length (~135mm equivalent on 645). f/4 maximum aperture. N (New) designation. Mamiya 645 mount.
The Mamiya Sekor N 210mm f/4 provides portrait-telephoto reach on the Mamiya 645 medium format system — on 6x4.5 format, 210mm gives approximately 135mm equivalent reach. The N designation indicates an updated optical formula over earlier Sekor versions. Used for portrait and wildlife on medium format.
On the used market the Mamiya Sekor N 210mm f/4 is a medium format telephoto prime. Condition checks: aperture, focus. Mamiya 645 mount.