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Sigma 10-20mm F4-5.6 EX DC HSM AF Lens For Canon Digital Cameras : The Sigma lens offers an ultra wide zoom solution to digital cameras, and was exclusively designed to suit the characteristics of digital SLR cameras. The lens Works with Canon EF-S mount cameras. DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is made to match the smaller dimensions used for the image sensor on digital cameras. As a result, these lenses are also more compact and lightweight, and are better matched to digital SLR cameras. The lens offers powerful super wide-angle capability for both indoor and landscape photography. Multi coated lens elements reduce surface reflections, lens flare and ghosting to produce images with higher contrast and colour fidelity. Correction for various types of aberration provided by three Special Low Dispersion glass element and two aspherical lenses. The lens is equipped with the silent, responsive and high speed Hyper Sonic Motor and provides fulltime manual focus override. The lens features minimum focusing distance of 9.4" at all focal lengths. The Internal Focusing design offers smooth and fast autofocus and non-rotating filter attachment. A rounded 7-blade diaphragm helps to produce an attractive out-of-focus quality. The lens is supplied with front and rear lens caps for safe storage and worry free transportation. Sigma 10-20mm F4-5.6 EX DC HSM AF Lens For Canon Digital Cameras is available at Microglobe at discounted price. Microglobe is largest online sport optics store of the UK. Sigma 10-20mm f/4-5.6 EX DC HSM Autofocus Lens For Canon Digital SLR Cameras Kit Contents: Sigma 10-20mm f/4-5.6 EX DC HSM Autofocus Lens For Canon Digital SLR Cameras Lens Hood Front Lens Cap Rear Lens Cap User Operating Instructions Manual Manufacturers Warranty For more information about, Sigma 10-20mm F4-5.6 EX DC HSM AF Lens For Canon Digital Cameras . Customer Reviews on Sigma 10-20mm F4-5.6 EX DC HSM AF Lens For Canon Digital Cameras by Sigma£199.00 by Sigma£279.00 by Sigma£749.00 by Sigma£259.00 by Sigma£651.57 by Sigma£719.00
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većina fotografskih entuzijasta koristite zoom objektive , a ne fiksne žarišne duljine . Sigma proizvodi široku lepezu zoom objektivima , uključujući i 8-16 mm f/4.5-5.6 DC HSM , u 17 do 50 mm f/2.8 EX DC OS HSM , u 17-70 mm f/2.8-4.0 DC Macro OS HSM ,50-200 mm f/4.0-5.6 DC OS HSM , 18-50 mm f/2.8-4.5 DC OS HSM . Dodatni zoom su žarišne duljine 18-50 mm , 18-125 mm , 18-200 mm , 18-250 mm i 10-20 mm . DC fiksne žarišne duljine fiksne duljine fokusa obično se koristi rad stručnjaka koji zahtijevaju veću kvalitetu slike i razlučivost od onoga što se nalazi u zoom objektivima . Fiksne žarišne duljine često nazivaju premijera leće , iako je premijera leće zapravo predstavljaju normalne žarišne duljine objektiva za određeni filmski format . Za APS - C formata kamere , Sigma čini tri modela - .4,5 mm f/2.8 EX DC HSM Kružna Fisheye , na 10 mm f/2.8 EX DC HSM Fisheye i 30 mm f/1.4 EX DC HSM DC objektiva Kompatibilnost Sigma DC objektivi kompatibilni s većinom DSLR fotoaparata . Nisu svi objektivi su u potpunosti kompatibilan sa svakim kamere napraviti i model . DC objektivi kompatibilni su sa Sigma , Canon, Nikon, Konica Minolta /, Sony, Pentax , Kodak, Fujifilm , Olympus i Panasonic i Leica kamerama . DC objektivi nisu kompatibilni sa 35 mm filmskoj ili full - frame DSLR fotoaparata . DC vs DG objektivi Iako su obje linije leće su u skladu s digitalnim fotoaparatima , DG objektiv linija nudi velik otvor , širokokutne leće s kratkim naglaskom minimalna udaljenosti . Za razliku od DC objektiva , DG objektivi su također kompatibilan sa full frame DSLR fotoaparata i 35 mm filmske kamere . APS - C vs Full Frame APS - C senzor , koristi na mnogim DSLR fotoaparata , su kompaktni ili ne- full frame senzor . Full frame senzor mjeri iste veličine kao full frame 35 mm filma , odnosno 36 mm i 24 mm. Kompaktni ili APS - C veličini senzora su manji od punog kadra od 35 mm filma . Kad koristite fotoaparat s kompaktnim senzorom ,žarišne duljine objektiva dobiva množi s nečim što se zovefaktor usjeva . Na primjer , kada se koristi Sigma 30 mm f/1.4 EX DC HSM objektiv na fotoaparat sa APS-C senzor koji ima faktor 1,6 x obrezivanje ,30 mm žarišne duljine ima jednaku vidno polje od 48 mm objektivom na standardni full frame fotoaparata . From:http://hr.365electric.com/cameras/camera-lenses/1016053868.html