Zoom lock mechanism the zoom lock
Lista zoom lock mechanism the zoom lock
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* zoom lock mechanism * the zoom lock prevents unwanted barrel extension when carrying the lens/camera combinationmultiple-layer coatings on cemented surfaces of plural elements) and multiple-layer coating technology on ordinary elements, ghosting and flare due to the reflections that occur when light enters through the front element and reflections caused by the imagers themselves are reduced to the absolute minimum* enhanced peripheral illumination * peripheral light fall-off is minimized when compared with that of conventional lenses for film cameras, so images are uniformly bright from the center to the periphery8 xr di ii p/ canon ** ** pronta entrega ** compatÃvel com todas as cameras canon dslr com encaixe ef-s * não é compatÃvel com full-frame * optimized for digital slr * the use of xr (extra refractive index) glass optimizes the overall distribution of optical power, and also reduces various aberrations to the absolute minimum while achieving remarkable compactness* ld glass * an ld (low dispersion) glass element is used to accomplish effective compensation of on-axis and lateral chromatic aberrations, a critical factor for enhancing optical quality in digital photography, in order to achieve outstanding optical performance over the entire zoom rangein addition, suitable positioning of two hybrid aspherical elements serves to maintain imaging performance and to shorten and compress the entire optical systemfocal length 17 to 50mm maximum aperture f/2* internal surface coating to reduce ghosting and flare * by employing "internal surface coatings" (i63" / 27 cm optical design 16 elements in 13 groups diaphragm blades 7 focus type autofocus image stabilization none filter size 67 mm (front) dimensions (ø x l) 222x minimum focus distance 10** tamron 17-50mm f/28 minimum aperture f/32 lens mount canon ef-s format compatibility aps-c angle of view 78° to 31° maximum magnification 0
Brasil
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3 oz (520 g) the ultimate super-telephoto zoom lensthe opteka 420-800mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alikeit's an extremely powerful telephoto zoom lens with the versatility that you needfor photographers seeking the ultimate super-telephoto zoom lens, the opteka 420-800mm hd ii delivers unrivaled consistency, long range performance and image quality in the most demanding situationsthis lens is great for the wildlife or nature photographer who wants to be hidden while taking photos of the subjectadvances in ultra high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-design / computer-aided-manufacturing), are combined to produce lenses of unprecedented qualityessa é a lente perfeita para passáros e fotografia a longa distância definição, desfoque e qualidade incriveis! marca |opteka acompanha: 01 lente 01 anel adaptador 01 caixa 01 capa para guardar ======== specifications zoom type: push/pull (two-touch) focus mode: manual focus minimum focus distance: 5lente manual importada para mount canon, funcionas em todas as da seria t3i, t4i, t5i, t6i, 50d, 60d, 70d, 7d, etc, consulte nova sem uso na embalagem original, fotos reais feitas com a lente originalan advanced lens that draws peak performance from d-slrs, it's an ideal choice for photographers who want to keep their gear cost to a minimum while on super-telephoto assignmentsthere is a built-in, rotating tripod mount for easily attaching to your tripod or monopoddiamond-cut from crystal-clear, water-white optical glass, opteka lenses are ground and polished to a precision3-16 filter size: 62mm length: 885" at full zoom) weight: 186 m) aperture: f/8
Brasil
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That is, the anti - theft performance of the lock can be improved by pasting the lockinformation notify:once the lock is switched through the app, the app will push the switch lock information in real time and save the history for the user to viewattached lock body with capacitive touch switch,slide up and down to switch the lock accordingly30 ° angle design doesnt affect the use of the door handlepackage included1 × smart stick lock sunique anti-theft mode:enable anti-theft mode on the appthis makes it impossible for thieves to unlock the doorspecificationbrand:name:smart stick lock sunlock mode: four intelligent switch lockssupport system: ios7detachable lithium batterycro usb charging port, convenient and quick3m industry is as stable as rock in humid and hot weather3 and aboveelectrical capacity:3800mahservice time:about 1 year (rechargeable)type:right open lockleft open lockfeatures:1suitable for android & ios system,fashion design, also can be nice gifts
Brasil