This is just so tempting – a boxed, as new 400mm telephoto lens in an auction, begging to be bought for just £10. T2 fit means that it can be adapted to almost any camera body, so here we have it coupled via an M42 screw thread adapter and a Pentax Adapter K to see how it might perform with the 36MP Pentax K-1 full frame body.

Handling and Features

Soligor distributed many lenses and was a major supplier throughout the 1960s and through to the 1980s. The lenses were inexpensive, many were excellent and they were made by various Japanese manufacturers. This 400mm f/6.3 was offered in several versions, this one being manufactured by Kino.

It is basically a long focus lens, as opposed to a telephoto which would be much shorter, and comprises a long tube with a cemented doublet at each end. That is, 4 elements in 2 groups. The lens is coated. There is a filterthread of 67mm diameter and a very useful built in lens hood.
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https://www.ephotozine.com/article/soligor-400mm-f-6-3-t2-classic-lens-review-30942