Shooters committed to the Four Thirds System, take note. Here is Serious Glass. This pro-caliber 70-200mm equivalent zoom ($2,200, street) — the world’s fastest in its focal-length range — packs four elements of ED glass, one element of Super ED glass, and all-metal construction with rubber seals to keep out moisture and dust.
It’s heavy and — ouch! — expensive, but it
promises optical performance that, in many circumstances (low light
with moving subjects, for example), could give a pro a significant
35-100mm (34.24-93.96mm tested)
f/2 (f/1.99- 2.02 tested)
21 elements in 18 groups.
Focusing turns 460 degrees counterclockwise.
Zoom ring turns 60 degrees clockwise.
Focal lengths marked at 35-, 50-, 75-, and 100mm.
Diagonal view angle: 34-12 degrees.
Weight: 4.04 lb.
Filter size: 77mm.
Mount: Olympus AF Four Thirds.
Included: Lenshood, softcase, tripod mount.
Street price: $2,200.