The Canon EF-S 55-250mm is a versatile tele-photo zoom lens that delivers some excellent lab result. Find out more in the full What Digital Camera lens review
Jon Tarrant
Canon EF-S 18-200mm f/3.5-5.6 IS Review
The Canon EF-S 18-200mm f/3.5-5.6 IS is is a versatile zoom lens and could well be your first kit lens upgrade
Samsung 20mm f/2.8 NX iFunction Pancake Review
The Samsung 20mm f/2.8 NX iFunction Pancake will have real size benefits when paired with a CSC body
Panasonic Lumix G Vario 45-200mm f/4.0-5.6 Mega OIS Review
The Panasonic Lumix G Vario 45-200mm f/4.0-5.6 Mega OIS offers an equivalent focal range of 90-400mm, making it an impressive sports and wildlife optic
Pentax DA* 200mm SMC f/2.8 ED (IF) SDM Review
The Pentax DA* 200mm SMC f/2.8 ED (IF) SDM is a high-end prime lens with an impressive specification
Sigma 50-150mm f/2.8 EX DC OS HSM Review
The Sigma 50-150mm f/2.8 EX DC OS HSM is a fast fixed-aperture telephoto zoom designed for APS-C DSLRs
Canon EF 24-105mm f/4L IS USM Review
Pro-spec, full-frame standard zoom with three-stop image stabilisation
Nikon 24-85mm f/3.5-4.5G ED-IF VR Review
This full-frame VR II lens has a stunning optical performance. How highly did it score on test? Find out below
Canon EF 24-70mm f/2.8L II USM Review
The Canon EF 24-70mm f/2.8L II USM is an improved version of a respected wide-aperture lens, but how does it perform?
Zeiss Distagon T* 18mm f/3.5 ZF.2 Review
Zeiss Distagon T* 18mm f/3.5 ZF.2 - The optical and build quality of the Zeiss 18mm show to be nothing short of stunning...
Nikon AF-S DX NIKKOR 18-300mm f/3.5-5.6G ED-IF VR Review
Nikon AF-S DX 18-300mm Review - A high-powered 16.7x superzoom for Nikon DX DSLRs
Nikon AF-S Nikkor 28mm f/1.8G Review
Nikon AF-S Nikkor 28mm f/1.8G review - Top-quality, full-frame, wide-angle lens
Pentax smc DA 50-135mm f/2.8 ED (IF) SDM Review
What Digital Camera tests the Pentax smc DA 50-135mm f/2.8 ED (IF) SDM lens to find out if it's as good as the price suggests.
Pentax smc D-FA 100mm f/2.8 Macro WR Review
We put the Pentax smc D-FA 100mm f/2.8 Macro WR to the test to find out its pros and cons
Tokina AT-X 17-35mm f/4 PRO FX Review
What Digital Camera reviews the Tokina AT-X 17-35mm f/4 PRO FX to find out how it performs optically.
F-stop numbers explained
Almost two years ago I had a go at explaining F-stop numbers but on re-reading that article I’m not sure how useful it was (and its over-simplification was sometimes so…
Macro Sharpness
Trying to evaluate the sharpness of macro lenses at macro reproduction ratios is tricky. Here is a quick look at the nature of the problem – and the real-world performance…
Pentax Lenses
Pentax has been the name on some outstanding photographic products over the years and now the company has unveiled its intended launches for the next two years. Let’s take a…
Nikon AF-S 35mm f/1.4G Review
What Digital Camera reviews the Nikon AF-S 35mm f/1.4G to find out if it's worth the high asking price
Samsung NX 18-200mm f/3.5-6.3 OIS i-Function Review
The Samsung NX 18-200mm f/3.5-6.3 OIS i-Function versatile superzoom lens has been optimised for video use. This What Digital Camera review finds out how it performs