Measuring just 32mm and weighs merely 165g (5.8 oz), this standard lens is extremely compact and it is the most lightweight version among all ZUIKO standard lenses. Naturally, it is also the most affordable in this series and has sold in big numbers over the years as a bundled lense for any new purchase of a OM SLR. With a simple, straight forward optical formulation of 6 elements in 5 groups, Its optical design provides superb definition for maximum edge-to-edge sharp images throughout the focusing range. Its closest focusing distance is maintained at 0.45m throughout the years since its introduction. Other than it can be used as a high performance day to day lense for general photography, many OM photographers also take advantage of its high resolving power as a good, cheap alternative bellow lense for close-up photography.


This Zuiko lense has a long history where can trace back to almost 30 years ago and has only gone through an update probably occurred in 1982 with an entirely different optical configuration. Strangely, Olympus has not been very keen on highlighting any technological advancement applied to the update neither it has addressed some sensitive issue pertaining to the lense coating used in these lenses. For an instance, up to a very late stage, many of the 50mm f/1.8 still have not been identified whether it carries any MC (multi-layers lens coating) despite the fact most of us know, it is. On the other hand, all Zuiko AUTO-S 50mm f/1.4 produced after 1984 have added a "MC" identification in the lens data. The fast f/1.8 maximum aperture is ideal for most low light level photographic applications. Other than the Pentax which has theirs at a slower lense speed of f/1.7, this ZUIKO standard lense is ranked among the smallest-size f/1.8 standard lense you can find in 35mm SLR photography. The f/1.8 aperture provides a relatively bright viewfinder image for pin-point focusing and assuring picture composing.


Current version of the 50mm f/1.8 lense carries a lighter weight than previous version. The reduction of weight and size was achieved via redesigned of the lense with a new optical construction of 6 elements in 4 groups over the older version's 6 elements in 5 groups. However, despite with the update which aims to improve performance, handling and provide a good portability for the mobile photographers, the lense still retains a high built quality throughout which is apparent once you get hold of one in your hand.


Focal length: 50mm
Maximum Aperture: f/1.8
Angle of View: 47°
Optical Construction: 6 elements in 5 groups; older version: 5 groups, 6 elements
Diaphragm operation: Automatic
Aperture range: f/1.8 ~ f/16
Minimum focus: 0.45m (17.7")
Minimum photographic range: 16cm x 24cm (6.3" x 9.4")
Focusing: Straight Helicoid
Weight: 165g (5.8oz); older version:170g (8.1oz.)
Length: 32mm; older version: 31mm (1.2")
Lens hood: Optional 51mm Slide-on type
Maximum Diameter: 59mm (2.3"); older version: 61mm
Filter attachment size/Filters: 49mm screw-in


Product ($199) SN: ***8740/ ***1832
Condition: Like New (LN)
Warranty: 2 weeks shop warranty, covering manufactural defects
What You Will Get 
- Front/Rear Cap


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Olympus OM 50mm F1.8 Zuiko MC Auto-S (used)


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