Mamiya / Sekor SX 21mm f/4.0 Auto

The Mamiya / Sekor SX 21mm f/4.0 Auto is a camera glass that provides a wide angle view for full frame cameras. It has a manual focus system and can be used with different camera mounts. The lens has a good resolution, providing clear and sharp images. The lens has 5 aperture blades, which is a common number, and provides an average brightness. The lens has a 58mm filter diameter, which is a common size. The lens has a solid build quality and was manufactured in the past. The lens has a simple design and does not have autofocus. The lens has lens elements that are coated to reduce reflections and increase contrast. Overall, the Mamiya / Sekor SX 21mm f/4.0 Auto is a good option for those looking for a wide angle lens with manual focus. Alternatives to this lens include other wide angle lenses from different manufacturers. The lens provides good bokeh, which is the out of focus areas in an image, and can be used for creative purposes.

Optical design

Average brightness in this league Has 5 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

Weights 220 grams so consider putting to your camera bag. 58 mm lens filter diameter, commonly filter size, you have plenty of possibilities.