Pentax DA 18-135mm f/3.5-5.6ED AL (IF) DC WR Review
Weather-resistant finish for use in all manner of conditions
How we test
Every piece of equipment that comes our way, whether a camera, a lens or an accessory, gets the same level of careful scrutiny. We discover what products are good at and what they are not so you don’t have to. Tests are not just made in the lab, but our technical findings are also investigated in practical situations to establish what readers can expect in real-world conditions.
Meet some of our experts
Canon EF 70-300mm f/4-5.6L IS USM Review
A well-built, pro-spec lens boasting excellent performance
Panasonic Lumix G-Vario 100-300mm f/4-5.6 Mega OIS Review
With an equivalent length of 600mm at the telephoto end, this lens is great for getting in close
Samyang 35mm f/1.4 AS UMC Review
A fully-manual prime lens with a fast aperture at a bargain price
Tokina’s AT-X 16-28mm f/2.8 PRO FX Review
Wide-aperture, wideangle zoom lens great for full-frame coverage
Sigma 50-200mm f/4-5.6 DC OS HSM Review
A sub-£200 optic with Optical Stabilisation and a Hyper-Sonic Motor - too good to be true or an absolute steal?
Nikon AF-S 24-120mm f/4G ED-IF VR Review
An update to an already good performer, is this the ideal all-purpose lens for Nikon bodies?
Sigma APO 50-500mm f/4.5-6.3 EX DG OS HSM Review
An impressive 10x zoom range for just over £1100, but has Sigma been a little over-ambitious with this superzoom optic?
Nikon AF-S 16-85mm f/3.5-5.6G ED VR DX Review
With a second-generation VR system and handy focal range, is this the ideal all-purpose lens for Nikon DX-format bodies?