Today we will look on Olympus M.Zuiko 45mm f1.8 lens for Micro Four Thirds mounts. As it can be seen from its name, it has 45 mm fixed focus and maximal and minimal diaphragms f/1.8 and f/22, accordingly, with 7 diaphragm blades. It has 0.5 m minimal focusing distance with auto-focusing, which works via High-speed Imager AF ( MSC ) motor. It has 9 lens elements in 8 groups ( which is much for lens of such type ), among them 2 are E-HR lens elements; all of them are covered with protective and anti-reflective multicoating. Field of view is equal to 27 degrees, which is not much for prime lens; there is ability to attach 37 mm optical filters to it. Its sizes are : 56 x 46 mm, and weight is : 116 g. Package contains : Olympus M.Zuiko 45mm f1.8 lens itself, front and rear caps, decorative ring, user’s manual and warranty card. Overall it is not bad objective lens, but accounting its average characteristics and high price ( 399 USD at the middle of Autumn 2015 ), it is better to buy more functional prime lens with smaller price.
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