SMC Pentax-DA 18-135mm f/3.5-5.6 ED AL [IF] DC WR

SMC Pentax-DA 18-135mm f/3.5-5.6 ED AL [IF] DC WR: Features

An impressive feature set starts with the simplified weather resistant construction. This makes it difficult for water to gain ingress and shooting in the rain becomes a real possibility. The SP (Super Protect) coating also repels water, dirt and grease, further aiding bad weather use.

The KAF3 mount means that this lens has no AF drive shaft and therefore needs the newer generation of Pentax DSLR bodies, starting with the K10D providing that it has been updated to firmware v1.30 or above and with the K-5, K-r, K-7, K-x, K-m, K20D, K200D and K100D Super being fully compatible. Older bodies will mean using the lens for manual focus only.

The lens is constructed with 13 elements in 11 groups and the 7 blade diaphragm ensures a virtually round aperture for enhanced bokeh.

The new DC motor is silent and swift and the lens is also enabled for Quick Shift, a Pentax feature whereby after AF is achieved the focus point can be tweaked manually. This is especially useful in macro photography and, although not a macro lens, the maximum magnification approaches a useful 1:4.

The lens is quite chunky,taking 62mm filters, and weighs a solid 405g. The 35mm-equivalent range is 27.5-207mm. The metal bayonet is firmly secured by five screws, giving reassurance that the construction is solid and will wear well.

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