Asanuma 35-105mm f/3.5 Auto-Zoo

The lens consists of 15 glass elements in 12 groups, which is a decent amount for a zoom lens. The lens coating helps to reduce glare and ghosting, which can improve image quality. The lens is well-built and has a sturdy feel to it, making it durable for long-term use. The aperture ranges from f/3.5 to f/22, allowing for a wide range of depth of field options. The resolution of the lens is good, producing sharp images with good contrast.

Overall, the Asanuma 35-105mm f/3.5 Auto-Zoo lens is a good option for photographers looking for a manual focus zoom lens. While there are other alternatives on the market, this lens offers good build quality and image resolution. The lens elements and coating help to improve image quality, and the aperture range allows for creative control over depth of field. However, the lens is heavy and may require a separate bag for transport.

Optical design

Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Average brightness in this league

Physical characteristics

Weights 700 grams so it is a heavy lens, consider using its own lens bag. With a lens filter diameter of 72 mm you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options. 115 mm long, requires consideration if you want to carry in the camera bag.