Cosina 100-400mm f/4.5-6.7 MC

Cosina 100-400mm f/4.5-6.7 MC is a camera glass that can zoom in very far, making faraway objects look closer. It has a good background blur, called bokeh, which can make the subject stand out. You can choose to focus manually or let the lens focus automatically. The lens has many glass pieces, called lens elements, to make the image clear and sharp. The glass also has a special coating to reduce glare and make the colors look better. The lens was made a long time ago, but it is still useful for some photographers. The aperture can change depending on how zoomed in you are, but it can go as wide as f/4.5. The lens is well-built and can last a long time. The resolution, or how clear the image is, is good enough for most purposes. There are other lenses that can do similar things, but they may be more expensive or have different features.

Optical design

Has 9 aperture blades, with this amount of aperture blades you will be satisfied with the result.

Physical characteristics

Weights 740 grams so it is a heavy lens, consider using its own lens bag. With a lens filter diameter of 67 mm commonly filter size, offers a wide range of filter options. 162 mm long, with this size carry only if you use it.