Duo-Tamron 135mm f/4.5 – 225mm f/7.7

The Duo-Tamron 135mm f/4.5 – 225mm f/7.7 is a camera glass that can be used on full frame cameras. It is a prime photographic lens that requires manual focus. This lens has a unique feature that allows the user to adjust the focal length between 135mm and 225mm. The bokeh, which is the quality of the out-of-focus areas in an image, is decent. The lens elements are designed to produce sharp images with good contrast. The lens coating helps to reduce flare and ghosting, which can affect image quality. The build quality is average, and the lens is not weather-sealed, so it is not recommended to use it in harsh weather conditions. The aperture range is f/4.5 to f/7.7, which is not very bright compared to other lenses in this category. The resolution of this lens is average, and it is not recommended for use in low light conditions. The manufacturing time of this lens is not known, but it is believed to be produced in the early 2000s. There are other alternatives available in the market that offer better features and performance, but this lens can be a good option for those who are on a budget and looking for a versatile lens.

Optical design

Average brightness in this league