The weather sealing on these camera lenses is the greatest we’ve ever seen

Two new waterproof camera lenses from OM Digital Solutions have been announced: the OM System M.Zuiko 12-40mm f/2.8 Pro II and the OM System M.Zuiko 40-150mm f/4 Pro, both of which are certified IP53.

The previous industry gold star was an IPX1 grade, so the massive weather sealing of the OM System M.Zuiko 12-40mm f/2.8 Pro II (review) and OM System M.Zuiko 40-150mm f/4 Pro (review) lenses is very impressive. Of course, both lenses must be used in conjunction with a camera body that has an IP53 certification as well – which is provided by the Olympus OM-1, which was also just introduced by the manufacturer.

The 12-40mm f/2.8 Pro II is similar to the original Olympus 12-40mm f/2.8 Pro trinity lens, with the exception of the higher rating. There are 14 elements in 9 groups (with 4 aspherical elements), 9 aperture blades, a 62mm filter thread, a minimum focusing distance of 0.2m, and an ultra-compact body that is smaller than a soda can. The lens has an equivalent field of view of 24-80mm and has 14 elements in 9 groups (with 4 aspherical elements).

The OM System M.Zuiko 40-150mm f/4 Pro is a completely different proposition from the normal zoom, which is largely due to the fact that it has the same optical formula as the standard zoom.

This new f/4 version of the Olympus M.Zuiko 40-150mm f/2.8 Pro lens, which has “the same fundamental structure” as the previous f/2.8 version, shrinks the 160mm and 760g bulk of its big brother to a hilariously small 99.4mm (124mm when in use, un-retracted) and 382g frame – you can see the old and new lenses side-by-side in the gallery above. That translates to an 80-300mm comparable lens that can be carried around in your pocket!

When the lens is fully deployed, it includes 15 elements in 9 groups (2 of which are aspherical), an inner zoom mechanism (after the lens is fully deployed) that minimizes center-of-gravity variations while zooming, and a maximum magnification of 0.41x at the long end.

OM-System M.Zuiko 12-40mm f/2.8 Pro II will be available at the beginning of March for $999.99 / £899.99 (about AU$1,402.28), while the OM System M.Zuiko 40-150mm f/4 Pro will be available for $899.99 / £7999.99 (roughly AU$1,262.05).

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