Lens Summary
Brand: Olympus
Also Known As: Olympus 12-40mm f/2.8
Lens Type: Zoom Lens
Format: Four Thirds
Focus: Autofocus
Lens Mount: Micro Four Thirds
Release Date: 2013-09-10
MSRP Price: $999
Made in: Japan
Production Status: In Production
Lens Description: This large-aperture 3.3X Zoom lens is the first in the newly created “M.ZUIKO PRO” category. Covering a 35mm equivalent focal length of 24-80mm, this lens features all metallic construction and makes extensive use of high grade optical components including Dual Aspherical, High Refractive and ED lens elements configured in 9 groups to assure the highest level of reproduction. A fast maximum aperture of f/2.8 throughout the zoom range, a manual focus clutch as well as Splash-proof, Dust-proof and Freeze-proof construction make it suitable for the most demanding professionals and enthusiasts. An “MSC” (movie and still compatible) AF lens drive system ensures fast and quiet auto-focusing – especially important when shooting HD movies. A seven blade circular aperture produces pleasing background defocusing effects.
Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO Specifications
| Lens Specifications | |
|---|---|
| Lens Type | Zoom Lens |
| Focal Length | 12-40mm |
| Mount Type | Micro Four Thirds |
| Format | Four Thirds |
| Compatible Format(s) | Micro Four Thirds |
| Compatible with Teleconverters | No |
| Zoom Ratio | 3.33x |
| Maximum Reproduction Ratio | 0.3x |
| Image Stabilization | No |
| Aperture Information | |
| Aperture Ring | No |
| Maximim Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (APS-C or smaller format) | 84° |
| Minimum Angle of View (APS-C or smaller format) | 30° |
| Optical Information | |
| Lens Elements | 14 |
| Lens Groups | 9 |
| Diaphragm Blades | 7 |
| Extra-Low Dispersion Glass Elements | 2 ED glass elements, 2 HR glass elements, 1 EDA glass element, 1 HD glass element |
| Aspherical Elements | 1 aspherical element, 1 dual-sided aspherical element, |
| Focus Information | |
| Focus | Autofocus |
| Built-in Focus Motor | Yes |
| Internal Focusing | Yes |
| Minimum Focus Distance | 0.20m |
| Distance Information | Yes |
| Filter Information | |
| Filter Size | 62mm |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | Yes |
| Mount Material | Metal |
| Dimensions | 69.9 x 84mm |
| Weight | 382g |
| Other Information | |
| Available in Colors | Black |
Lens Construction and MTF Chart
Has anyone used this lens for infrared? If yes how was it?