Vivitar Series 1 70-210mm f/2.8-4 VMC (Cosina)

The photo lens has a variable aperture of f/2.8-4, which means that you can adjust the amount of light that enters the camera glass. The lens is composed of 18 glass elements arranged in 15 groups, which helps to reduce chromatic aberration and distortion. The VMC lens coating helps to prevent ghosting and flare, which can occur when shooting in bright light. The lens was manufactured in the 1980s, so it has been around for a while. The build quality of the glass is good, with a solid metal construction that can withstand daily use. The resolution of the lens is high, which means that the images produced are sharp and detailed. The bokeh, or the quality of the out-of-focus areas, is smooth and pleasing to the eye. The lens is manual focus, which means that you will need to adjust the focus yourself. There are alternatives to this lens, such as autofocus lenses, but they may not have the same build quality or optical performance. Overall, the Vivitar Series 1 70-210mm f/2.8-4 VMC (Cosina) lens is a good option for those looking for a high-quality ultra telephoto zoom lens.

Optical design

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

Physical characteristics

Weights 742 grams so it is a heavy lens, consider using its own lens bag. With a lens filter diameter of 58 mm commonly filter size, presents numerous filter possibilities. 131 mm long, with this size carry only if you use it.