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Tamron 70-300mm F4.5-6.3 Di III RXD Lens Owner Manual

Tamron 70-300mm F4.5-6.3 Di III RXD Lens FEATURE

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Tamron 70-300mm F4.5-6.3 Di III RXD Lens

Tamron 70-300mm F4.5-6.3 Di III RXD Lens PRODUCT

About Tamron

Tamron is a Japanese company that specializes in the design and manufacture of photographic lenses, optical components, and various other optical products. Founded in 1950, Tamron has a long history of producing high-quality lenses for a wide range of cameras, including DSLRs, mirrorless cameras, and other imaging devices. The company is known for its innovative lens designs and its commitment to providing affordable yet excellent optical products.


PART NAMES (Refer to Fig. 1)

  1. Lens hood
  2. Hood attaching alignment mark
  3. Hood locking mark
  4. Filter ring
  5. Hood release mark
  6. Zooming ring
  7. Focal length scale
  8. Focal length mark
  9. Focus ring
  10. Lens attachment mark
  11. Lens-camera interface contacts

MAIN SPECIFICATIONS Tamron-70-300mm-F4.5-6.3-Di-III-RXD-Lens-Owner-Manual-2


  • Length: From tip of front element to mount surface.
  • Specifications, appearance, functionality, etc. are subject to change without prior notice.


Remove the rear cap of the lens. Align the lens attachment mark ⑩ and mounting mark on the camera, and then insert the lens.

Turn the lens clockwise until it locks.

To remove the lens, turn the lens in the opposite direction while pressing the lens release button on the camera.

Turn off the power of the camera before attaching or removing the lens.

For details, please read the instruction manual of your camera.


Select the desired focus mode on the camera.

For manual focusing, turn the focus ring ⑨ to acquire the desired focus. For details, please read the instruction manual of your camera.

Under AF mode, there may be difficulty for autofocus to work depending on the subject.

ZOOMING (Ref. Fig. 1)

Turn the zooming ring ⑥ to adjust the focal length (Zoom position) to the desired position.

LENS HOOD (Ref. Figs. 2, 3)

A bayonet-type lens hood ① is provided as standard equipment.

We recommend shooting with the hood properly attached because the lens hood eliminates stray light that may affect the picture.

Using the lens hood (Ref. Fig. 2)

Align the hood attaching the alignment mark ② of the hood with the hood release mark ⑤ of the lens.

Rotate the hood ① in the direction of the arrow until the hood locking mark ③ meets the hood release mark ⑤.

Stowing the lens hood (Ref. Fig. 3)

You can stow the lens hood ① by attaching it in reverse.

Align the hood locking mark ③ of the hood with the hood release mark ⑤ of the lens. Rotate the hood ① in the direction of the arrow until the hood attaching alignment mark ② meets the hood release mark ⑤.

  • Be aware that the perimeter of the photographed image may be darkened if the hood ① is not attached properly.


  • An internal focusing (IF) system is employed to reduce the minimum focus distance. The angle of view may be wider than that of lenses with other focusing systems when shooting at a distance less than infinity.
  • The lens hood or the lens barrel may block the light from the flash. It is recommended to perform trial shooting in advance.
  • Differences in the display systems of cameras may cause them to show values different from the maximum and minimum aperture values from the specifications. This is not an indication of an error.
  • Do not touch the lens-camera interface contacts with your fingers. Otherwise, it may cause a malfunction.
  • If the temperature changes suddenly, condensation may form and cause malfunctions.
  • Never use benzene, thinner, or other organic solvents to clean the lens.
  • Store the lens in a clean and well-ventilated place.
  • For more details on the lens cleaning and storage, the compatibility with cameras, and other support information see our website. https://www.tamron.jp/en/support/

Precautions for Safe Use of Tamron Lenses

For safe operation be sure to carefully read the “Precautions for Safe Use of Tamron Lenses” and the manual before using the product.

After reading them, store them in a place where they can easily be reviewed whenever needed. Caution instructions are divided into the following two categories according to the degree of danger involved.


  • Do not view the sun or other strong light source directly through the lens or through a camera while using this lens. Doing so could cause loss of vision, damage to the lens and/or the camera, and possibly cause the lens and/or camera to ignite.
  • Do not disassemble, repair, or modify the lens. This could damage the lens or camera.
  • Keep the lens out of the reach of small children. There is a risk of injury if the lens is dropped or falls down.


  • Do not place the lens in direct sunlight or leave it in an extremely hot place such as inside a car. Doing such could damage the internal parts of the lens or cause a fire.
  • Always attach the lens cap whenever the lens is not in use.
  • When attaching the lens to the camera, ensure that the lens has been properly attached to the camera and firmly locked.
    If the lens is not attached properly, it could be difficult to remove or it could fall off causing damage or injury.
  • Do not use this lens for any application other than photography.
  • Do not transport the lens while it is still attached to a tripod.

FAQS About Tamron 70-300mm F4.5-6.3 Di III RXD Lens

Image stabilization is there with the Tamron 70-300?

Tamron accomplishes this, for instance, by disabling additional switches and the lens’ image stabilization.

What is the purpose of a Tamron 70-300mm lens?

Purchasing telephoto zoom lenses is common to cover focus lengths greater than that of a general-purpose zoom lens

Is the Tamron 70-300 weatherproof?

The 70-300mm lens from Tamron has a single barrel that extends and is completely weather-sealed.

Has the Tamron 70-300 lens has autofocus?

the capacity of all Nikon DSLR cameras, including the D40 and D40x, to autofocus.

What benefit does the 70-300mm lens offer?

This focal length range’s wide end is great for taking portraits.

The Tamron 70-300 IS full-frame, right?

Yes, full-frame cameras can use it.

Tamron 70-300mm is how long?

The 70-300mm F4. 5-6.3 flips the traditional idea of a telephoto lens on its head by being only 148mm (5.8 in) long, with a maximum diameter of 77mm, and weighing only 545g (19.2 oz).

A Tamron 70 300 is what size of thread?

Tamron SP 70-300mm F4-5.6 Di VC USD has a 62mm filter thread size.

A 70-300mm lens can zoom how far?

distance of 15 to 56 yards

70-300mm has how much zoom?

A 70-300mm zoom lens has a 4.3x zoom ratio, or 300/70 = 4.28571.

What is the weight of a Tamron 70-300mm F 4.5 6.3 di III Rxd?

1.22 lbs.

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