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Tamron A18 Owner's Manual
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Tamron A18 Owner's Manual

Af 18~250 mm f/3.5-6.3 di-ii ld aspherical [if] macro
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Download this manual See also: User Manual
AF 18~250 mm F/3.5-6.3
Di-II LD Aspherical [IF] Macro
(Model A18)
Thank you for purchasing the Tamron lens as the latest addition to
your photographic equipment. Di II lens (Digitally Intigrated) series are
designed for digital SLR cameras with image sensors equivalent to
APS-C size. Before using you new lens, please read the contents of
this Owner's Manual thoroughly to familiarize yourself with your lens
and the proper techniques for creating the highest quality images pos-
sible. With proper handling and care, your Tamron lens will give you
many years of photographing beautiful and exciting pictures.

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Summary of Contents for Tamron A18

  • Page 1 AF 18~250 mm F/3.5-6.3 Di-II LD Aspherical [IF] Macro (Model A18) Thank you for purchasing the Tamron lens as the latest addition to your photographic equipment. Di II lens (Digitally Intigrated) series are designed for digital SLR cameras with image sensors equivalent to APS-C size.

  • Page 4: Specifications

    Distance scale Focusing ring Zooming ring Focal length scale Zoom index mark Zoom lock switch (A18) Figs 3 & 4 Lens mount/Lens mount contacts (Nikon) AF-MF altering switch (Canon Fig 5 & 6) Lens attachment mark Bayonet tab on the hood...
  • Page 5 At infinity, make sure the image in the viewfinder appears sharp. The infinity position on the A18 is made with certain allowances to insure proper focus under a variety of conditions...

  • Page 6: Attaching And Removing The Lens

    Some Canon digital SLR cameras have index marks for attaching both EF lenses (red) and EF-S lenses (white) on the bayonet mount. To attach Tamron Di-II lenses, align the lens attachment mark on the lens (15) with the index mark for EF lenses (red). Do not forcibly align the indicator on the kens (15) with the index mark for EF-S lens (white).
  • Page 7 (Fig. 7, No. 1) and then rotate it clockwise to secure (Fig. 7, No. 2). The lens hood will be securely held as the mark "TAMRON O" comes to the top (Fig. 8, No. 3). When attaching the lens hood, hold the focusing and zoom control rings so that they are not rotated unintentionally.
  • Page 8 This is inherent to the design of the camera and not an indication of error. When using a special filter such as a PL filter on the A18, use low-profile filters. The thick rim of a normal filter may cause vignetting.
  • Page 9 TO ENSURE LONG-TERM SATISFACTION Avoid touching the glass element surface. Use a photographic lens cloth or a blower to remove dust from the lens element surface. When not using the lens, always place a lens cap on it for protection. Use a lens cleaning tissue or lint cloth with a drop of cleaning solution to remove fingerprints or dirt on the glass lens surface with a rotary motion from the cen- ter to the edges.