Mamiya 50mm f4.5 Sekor C - Lens

Manual focus wide-angle lens for Mamiya RB67 medium format SLR cameras made by Mamiya introduced in 1974. It has a 25mm equivalent focal length on 35mm full frame. It has a floating element that is moved by rotating the focus ring on the lens (normal focus done by the body), allowing for improved sharpness at various focus distances. It has in-between aperture stops. Metal body available in black.

• Mamiya 50mm f4.5 Sekor C (11 elements, 8 groups)
• Minimum focus distance: 0.279m
• Aperture blades: 8
• Shutter: Mechanically controlled Seiko #1 leaf, 1s - 1/400s
• Size: 95 x 90 mm
• Weight: 780g