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The
Olympus OM AF 50mm f/1.8 is a compact, fast standard prime lens
designed exclusively for Olympus's early autofocus SLRs the OM-707
and OM-101. It delivers sharp, high-contrast images with a classic
50mm field of view, ideal for portraits, street, and general
photography.
Key Specifications
|
Feature |
Details |
|
Focal
Length |
50mm (standard
prime) |
|
Maximum
Aperture |
f/1.8 |
|
Minimum
Aperture |
f/22 |
|
Lens
Construction |
6 elements
in 5 groups |
|
Minimum
Focus Distance |
47 cm (1.5
ft) |
|
Filter
Thread |
49mm |
|
Lens Hood |
Built-in |
|
Weight |
~170g |
|
Length |
~32mm |
|
Mount |
- Olympus OM
AF (for OM-707, OM-101 only)
- (OM-88, OM-707AF
in North America)
|
|
Focus
Type |
Autofocus (body-driven) |
|
Aperture
Control |
Programmed
via camera body |
Optical Performance
& Design
- Sharpness & Contrast: High central sharpness with good edge
performance, especially stopped down. Optimised for contrast
and minimal aberrations.
- Bokeh:
The f/1.8 aperture allows for shallow depth of field and pleasing
background blur.
- Aberration Control: Corrected for coma and spherical aberrations,
delivering clean, in-focus subjects with soft backgrounds.
- Build
Quality: Lightweight
plastic barrel with a smooth, minimalist design. No manual focus
ring, focus is entirely controlled by the camera body.
Compatibility
Notes
- Exclusive to OM-707 and OM-101: This lens is not compatible
with manual-focus OM bodies or modern digital systems without
significant modification.
- Programmed
Exposure: Aperture
is controlled by the camera s program mode. Manual override is
only possible with accessories like the OM-101's Manual Adapter
2.
Ideal Use
Cases
- Portraits:
Natural perspective and shallow depth of field make it excellent
for headshots.
- Street Photography: Compact and discreet, with fast autofocus
on supported bodies.
- Low
Light: The f/1.8
aperture helps in dim environments, though autofocus speed depends
on the camera.
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