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Opteka
Opteka 28mm f/2.8 HD MC Manual Focus Prime Lens Olympus Micro Four Thirds
A manual-focus 28 mm f/2.8 prime for Micro Four Thirds with a 49 mm filter thread, 9-blade diaphragm and 56 mm equivalent field of view
- TypeFixed Length Lens
- ColorBlack
- Diameter49mm
- Focus TypeManual Focus
- Focal Length28 mm
- ApertureMaximum: f/2.8 Minimum: f/22
- Wide 56 mm equivalent view for Olympus M43
- Bright f/2.8 aperture for low-light shooting
- 9-blade diaphragm creates smooth background blur
- HD anti-reflection coating reduces flare and ghosting
- Manual focus with clickless aperture ring for precise control
Wide prime for Micro Four Thirds
The Opteka 28mm f/2.8 is a manual-focus prime lens built for Olympus Micro Four Thirds cameras. It uses a 6-element, 5-group optical design that includes one super-low dispersion element to control aberrations. A 9-blade diaphragm and HD anti-reflection coating help produce smooth backgrounds and strong contrast. The all-metal barrel and clickless aperture ring give precise tactile control.
Shooters who want full manual control
This lens suits photographers who prefer setting focus and aperture by hand for creative or video work. The 28mm focal length yields a 56mm equivalent field of view on Micro Four Thirds bodies, useful for street, travel and environmental portraits. Buyers who need autofocus or electronic aperture communication should look at alternatives that provide those functions.
Simple mount and shoot
Attaching the lens is a standard bayonet fit on any Micro Four Thirds body with no adapters required. The 49mm filter thread accepts common circular filters and the included vented hood shades the front element. Because focus and aperture are entirely manual, users must remember to set both rings before each shot; forgetting either is the most common cause of missed exposures.
Highlights
- Wide 56 mm equivalent view for Olympus M43
- Bright f/2.8 aperture for low-light shooting
- 9-blade diaphragm creates smooth background blur
- HD anti-reflection coating reduces flare and ghosting
- Manual focus with clickless aperture ring for precise control
Specifications
| Brand | Opteka |
|---|---|
| Model | opteka115727 |
| Type | Fixed Length Lens |
| Color | Black |
| Diameter | 49mm |
| Focus Type | Manual Focus |
| Focal Length | 28 mm |
| Aperture | Maximum: f/2.8 Minimum: f/22 |
| Camera Mount | Micro Four Thirds |
| Lens Construction | 6 elements in 5 groups |
| Filter thread (Diameter) | 49 mm |
| Image Stabilization | No |
| Autofocus | No |
| Dimensions | 2 x 1.5 x 2 in. |
| Weight | 4.8 oz. |
Questions about this item
Which Olympus Micro Four Thirds bodies will mount this 28 mm f/2.8 lens?
Any Olympus Micro Four Thirds camera accepts the native MFT mount on this lens.
How does the 28 mm focal length compare with the 56 mm equivalent angle of view on my existing MFT body?
The 28 mm lens gives a 56 mm full-frame equivalent, so it frames like a normal lens on your Micro Four Thirds camera.
What visual cues confirm the aperture ring and focus are operating smoothly after I attach the lens?
The clickless aperture ring turns without detents from f/2.8 to f/22, and the manual focus ring moves freely through its full range.
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