While it might be best known for be­ing a lead­ing third-party lens pro­ducer, Sigma has also had a con­stant, low-key pres­ence within the camera mar­ket. Sigma’s lat­est line-up of in­ter­change­able-lens cam­eras, the Sd Qu­at­tro and Sd Qu­at­tro H, of­fer su­perb ima

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In line with Sigma’s ded­i­ca­tion to op­ti­cal ex­cel­lence, Sigma’s SD Qu­at­tro camera is a new mir­ror­less model that lever­ages the power of high-qual­ity lenses. Boast­ing a Foveon sen­sor that uses the lightab­sorp­tion prop­er­ties of sil­i­con, the Sigma SD Qu­at­tro of­fers an ex­cel­lent im­age qual­ity. Un­like con­ven­tional de­signs that place fil­ters in front of the sen­sor, the SD Qu­at­tro’s in­ner eye in­ter­prets colours by rec­og­niz­ing their dif­fer­ent en­ergy lev­els — or, more prac­ti­cally, how dif­fer­ent coloured light pen­e­trates the sen­sor to dif­fer­ent depths. As a re­sult, at base ISO, its res­o­lu­tion and colour-cap­ture are fan­tas­tic, sur­pass­ing the im­agery of APS-C Bayer CMOS sen­sors, and even sur­pass­ing some full-frame Bayer CMOS sen­sors by a whisker. The mir­ror­less Sigma SD Qu­at­tro H camera wields a 25.5MP Foveon XD Qu­at­tro sen­sor that cap­tures light and per­ceives colour dif fer­ently to con­ven­tional cam­eras and is thus ca­pa­ble of pro­duc­ing files with much higher lev­els of de­tail than you’d ex­pect from the same num­ber of megapix­els. The ‘H’ in the camera’s name refers to the use of an APS-H sen­sor, which is 30 per cent larger than an APS-C, with a 1.35x crop. The Qu­at­tro H has a dust- and splashre­sis­tant mag­ne­sium al­loy body, and is backed by a 1.62M-dot LCD rear screen. Plus, with a full-depth SA mount, the mir­ror­less camera is com­pat­i­ble with more than 39 lenses — mean­ing that the Qu­at­tro H pos­si­bly has the widest choice of own­brand lenses com­pared with any other mir­ror­less camera. For more in­for­ma­tion, please visit your lo­cal pho­to­graphic re­tailer.

SIGMA SD QU­AT­TRO H In­cred­i­ble im­age de­tail

SIGMA SD QU­AT­TRO Not your con­ven­tional camera

Pair it with: SIGMA 35MM F/ 1.4 DG HSM ART

Pair it with: SIGMA 30MM F/ 1.4 DC HSM ART

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