- Incredibly compact size and low weight for ultimate portability
- Fixed f/4 aperture throughout the zoom range ideal for low light shooting
- Versatile wide to telephoto focal range together with macro close-up capability
- Comprehensive weather sealing protects against freezing and dust
Om System Digital ED 12-45mm f/4 PRO Lens Summary
One of the main benefits of the micro four thirds system is the compact size a smaller sensor offers. To this end the new OM System M.Zuiko Digital ED 12-45mm f/4 PRO zoom lens is currently the world’s lightest fixed aperture zoom lens. It weighs just 245g. and is only 70mm long, setting it apart from comparable compact zooms available on the market today. The zoom is from the comprehensive range of Om System lenses and inherits its advanced optical design from the highly regarded  sibling. This new offering provides a longer telephoto reach as well as macro capabilities and as the PRO naming suggests is aimed at professionals and serious amateurs who require the best possible equipment. Extensive weather sealing ensures the 12-45mm f/4 PRO lens can be used in harsher conditions as well as for interior work.Â
The 12-45mm is capable of rendering extremely high resolutions together with noticeably sharp results across the frame and throughout the zoom range. Another benefit to this lens is the macro capability, providing 1:2 close-ups at an impressive 12cm close focus distance at the wide-angle end, and 23cm at the telephoto end. This allows photographers to get extremely close to their subjects and ensures this lens is versatile enough for many situations. With an effective range of 24mm to 90mm (full-frame equivalent) this model covers a comprehensive workhorse range. Compatibility is designed for any micro 4/3 sensor camera s
Om System Digital ED 12-45mm f/4 PRO Lens in detail
With nine points of weather sealing and aspherical special glass elements, the Om System 12-45mm is well deserving of its’ PRO naming. Furthermore, the inclusion of ZERO (Zuiko extraa-low Reflection Optical) coating aids with the reduction of ghosting and flaring when shooting atowards bright light sources. Focus stacking features from bodies including OM-D E-M1X, OM-D E-M1 Mark II, OM-D E-M5 Mark III will be fully compatible with this model after a firmware update has been implemented. This enables an entire scene including macro images to be pin sharp from front to back, combined into one easy to use frame. The new body  provides these capabilities right away for those upgrading their camera .
Optional Accessories
Om System M.Zuiko Digital ED 12-45mm f/4 PRO Zoom Lens Specifications
| Lens Type | wide to telephoto zoom |
| Focal length | 12-45mm Focal length (equiv. 35mm) 24-90mm |
| Aperture range | f/4-22 |
| Image stabilisation | N/A |
| Compatible cameras | Micro Four Thirds System |
| Dimensions | Length 70mm Diameter 63.4mm |
| Filter diameter | 58mm |
| Weight | 254g |
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| Offers: N/A |
| Offer Category: Camera Lenses |
| Offer Product Type: Micro Four Thirds Lenses |
| Autofocus: Yes |
| Aperture ring: N/A |
| Constant Aperture: Yes |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): 63 |
| Length (mm): 70 |
| Weight (g): 19595 |
| Distance scale: N/A |
| DoF scale: N/A |
| Elements: 12 |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: 24 – 90 mm |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: N/A |
| Groups: 9 |
| Hood supplied: Yes |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: 90 |
| Maximum magnification: 0.5 |
| Maximum aperture (number): 4 |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: 24 |
| Lens Minimum focus distance (m): 0.12 |
| Minimum aperture (number): 22 |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: 7 |
| Power zoom: N/A |
| Special elements / coatings: 1 DSA, 1 Super HR, 2 HR, 2 aspherical, 2 ED elements + ZERO coating |
| Tripod collar: N/A |
| Lens type: N/A |
| Wide/Tele: N/A |
| Lens Level: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: Yes |
| Best For Interior and Architecture: Yes |
| Best For Fashion and Portrait: Yes |
| Best For Macro and Still Life: N/A |
| Best For Astro: N/A |
| Best For Street: Yes |
| Best For Wildlife and Sport: N/A |
| Zoom lock: N/A |
| Zoom method: N/A |
| Notes: N/A |

















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