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AF 70~300 mm F/4-5 5 .6 Di LD Macro 1:2 (Model A17) Thank you for purchasing the Tamron lens as the latest addition to your photographic equipment. Di II lens (Digitally Integrated) series are designed for digital SLR cameras with image sensors equivalent to APS- C size.
ATTACHING AND REMOVING THE LENS How to mount the lens Remove the rear cap of the lens. Align the lens attachment mark (15) on the lens barrel with its counterpart on the camera mount and insert the lens. Rotate the lens clockwise until it click-locks.
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ZOOMING (Ref. Figs.1 & 2) Rotate zooming ring (9) of the lens while viewing through the camera's viewfinder and compose your image at the chosen focal length. LENS APERTURE AND AE MODE (Ref. Figs. 1, 7, & 8) Setting lens f-numbers with Canon & Sony cameras Set the f-number with aperture setting device of the camera body in accordance with the selected photographing mode.
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Lens Hood (Ref. Figs. 1, 12 to 17) When attaching and detaching the lens hood for the A17, be sure to set your camera or lens to MF mode. The hood attaching bayonet ring (5) turns as the the focusing ring (8) turns. Trying to attach the lens hood when the camera or lens is set in AF mode forces the focusing ring (8) to turn and will damage the camera or lens.
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Switching to Macro Photography (Ref. Figs. 1, 18 to 21) The model A17 allows macro photography by operating the macro selector switch. Switching to Macro Photography First, turn the zoom ring to align the zoom between 180-300mm. Next, slide the macro switch (22) from the Normal to the Macro position.
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A17 employs an internal focusing (IF) system. Because of the characteristics of this optical design, the angles of view at distances other than infinity are wider than that of the lenses applying an ordinary focusing system.