New Lens: Olympus 14-150 f/4-5.6
By Andrew Alexander, SLRgear Review, June 11, 2010
Announced in November 2009, the Olympus 14-150mm ƒ/4-5.6 ED M.Zuiko Digital is the all-in-one ''vacation lens'' for the PEN digital camera. Because of the small size of the four-thirds camera sensor, the lens has an effective field of view of 28-300mm.
The lens is designed specifically for the micro-four-thirds camera format. It isn't a "constant"lens, in that as you increase the focal length, the largest aperture rating increases. The following table reflects the changes:
| Focal length | 14mm | 25mm | 45mm | 70mm | 100mm | 150mm |
| Largest aperture | ƒ/4 | ƒ/4.7 | ƒ/5.4 | ƒ/5.4 | ƒ/5.6 | ƒ/5.6 |
| Smallest aperture | ƒ/22 | |||||
These figures just correspond to the focal lengths marked on the lens; in actual usage, the widest aperture adjusts quite precisely in conjunction with the focal length setting. As you zoom in and out at the widest aperture, you can see the aperture changing in one-tenth increments.
A lens hood is available separately, the LH-61C Lens Hood. The lens takes 58mm filters and will be available shortly for around $700.
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