Sigma 10mm f/2.8 EX DC HSM Di­ag­o­nal Fish­eye

For ex­treme wide-angle shots, this lens is a great sec­ond-hand buy

NPhoto - - Niko Pedia Q & A -

Re­leased (year): 2008 Price new: £600/$900 Price used: From £200/$250

Like other ‘di­ag­o­nal’ fish­eye lenses (some­times con­fus­ingly re­ferred to as ‘full-frame’ fisheyes), this lens pro­duces an im­age cir­cle that cov­ers the whole of the cam­era’s im­age sen­sor. In this case, it’s for a DX sen­sor. Whereas cir­cu­lar fisheyes give a 180-de­gree view­ing angle on both the hor­i­zon­tal and ver­ti­cal planes, di­ag­o­nal ones give a nar­rower view­ing angle of 180 de­grees on the di­ag­o­nal of the frame. Even so, that still gives stu­pen­dous wide-angle cov­er­age.

This Sigma is fairly com­pact and light­weight, and de­liv­ers very good im­age qual­ity. The ex­tremely short 13.5cm clos­est fo­cus­ing dis­tance and enor­mous depth of field make it great for funky close-ups (see page 42). The lens comes with a built-in ‘hy­per­sonic’ aut­o­fo­cus sys­tem, com­pat­i­ble with your D5200, and a built-in lens hood that helps pro­tect the bul­bous front el­e­ment. As with any fish­eye lens, you can’t screw fil­ters onto the front, but a gelatin fil­ter holder is built into the rear of the lens.

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