Astron 135mm f/2.8

of f/2.8. It has 9 lens elements in 7 groups, which help to produce sharp and clear images with high resolution. The lens coating reduces glare and ghosting, which can occur when shooting in bright light. The build quality of this camera glass is sturdy and durable, making it a reliable choice for photographers. The bokeh, or the quality of the out-of-focus areas in an image, is smooth and creamy, making it ideal for portrait photography. The autofocus is not available in this photographic lens, so the focus has to be adjusted manually. The manufacturing time of this lens is not specified. Overall, the Astron 135mm f/2.8 is a high-quality lens that produces sharp and clear images with a smooth bokeh, making it a great alternative to other lenses in the market.

Optical design

Bright lens thanks to the high aperture value