Zoom lock

NPhoto - - Test Team -

Most su­per­zoom lenses prac­ti­cally dou­ble in phys­i­cal length at their long­est zoom set­ting. When walk­ing about with the cam­era hang­ing off your shoul­der, use the zoom lock to stop the lens ex­tend­ing – you don’t want it to get an ac­ci­den­tal knock.

The di­rec­tion of zoom ring op­er­a­tion is the same in the Nikon and Tam­ron lenses, but re­versed in the Sigma lenses, which could take you by sur­prise if you’re used to one par­tic­u­lar brand.

The new Nikon AF-S DX 18-300mm f/3.56.3G ED VR is the only lens in our su­per­zoom test to lack a fo­cus dis­tance scale on its bar­rel.

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