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Opteka

Opteka 28mm f/2.8 HD MC Manual Focus Prime Lens for Micro Four Thirds

SKU CH-DEXC-9AYQY

A compact 28mm f/2.8 manual-focus prime with 6-element optics, 9-blade aperture and 49mm filter thread for Micro Four Thirds cameras

  • PartCompact ILC Lenses
  • TypeFixed Length Lens
  • ColorBlack
  • Diameter49mm
  • CompatibilityOlympus
  • Focus TypeManual Focus
  • Bright 28mm f/2.8 aperture for low-light shooting
  • 9-blade diaphragm creates smooth, circular bokeh highlights
  • HD anti-reflection coating cuts flare and ghosting
  • Metal barrel with clickless ring for precise manual control
  • Compact 4.8 oz design fits any Micro Four Thirds kit

Opteka 28mm f/2.8 Manual Focus Prime

This manual focus prime lens mounts to Micro Four Thirds cameras and provides a 28mm focal length that delivers a 56mm equivalent field of view. It suits photographers who prefer direct control over focus and aperture for wide-angle subjects such as travel, portraits and candids.

9-Blade Aperture and HD Coating

The nine-blade diaphragm produces soft, rounded background blur that helps isolate subjects in wide-angle compositions. An HD anti-reflection coating on the six-element optical formula suppresses flare and ghosting to preserve contrast and colour fidelity across the aperture range.

Metal Barrel with Clickless Aperture Ring

The all-metal construction fits the 49mm filter thread and focuses manually from close distance to infinity. The clickless aperture ring allows smooth iris changes during shooting, though users must verify focus visually since the lens lacks autofocus and image stabilisation.

Highlights

  • Bright 28mm f/2.8 aperture for low-light shooting
  • 9-blade diaphragm creates smooth, circular bokeh highlights
  • HD anti-reflection coating cuts flare and ghosting
  • Metal barrel with clickless ring for precise manual control
  • Compact 4.8 oz design fits any Micro Four Thirds kit

Specifications

BrandOpteka
ModelOPTM2828M43O
PartCompact ILC Lenses
TypeFixed Length Lens
ColorBlack
Diameter49mm
CompatibilityOlympus
Focus TypeManual Focus
Focal Length28 mm
ApertureMaximum: f/2.8 Minimum: f/22
Camera MountMicro Four Thirds
Lens Construction6 elements in 5 groups
Filter thread (Diameter)49 mm
SpecificationsCOMPATIBILITY Can be used on all Olympus M43 series mirrorless digital cameras including OM-D E-M10, E-M5, E-M1, PEN E-PL7, E-PL6, E-PL5, E-PL3, E-PL1, E-PL1s, E-P5, E-P3, E-P2, E-P1, E-PM2 and E-PM1.
Image StabilizationNo
AutofocusNo
FeaturesBEAUTIFUL BOKEH Boke is one of the most popular subjects in photography. A 9-blade aperture diaphragm delivers beautiful, soft backgrounds which makes photographs visually appealing, forcing us to focus our attention on a particular area of the image.
Dimensions2 x 1.5 x 2 in.
Weight4.8 oz.

Questions about this item

Does the 49 mm filter thread need any special care or periodic replacement?

The 49 mm thread is a standard metal mount; keep it clean and use a protective filter to prevent damage, but no scheduled replacement is required.

What optical limit appears first when shooting wide open at f/2.8 for extended periods?

The six-element, five-group design with one super-low dispersion element controls chromatic and spherical aberration, so the practical limit is depth of field rather than optical degradation.

How much heat or noise does the all-metal barrel produce during all-day manual focus use?

The passive metal construction generates no electronic noise and only ambient warmth; handling comfort depends on environment, not the lens itself.

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