The AF 70-300mm F-4-5.6 Di LD is a lens from Tamron especially designed for the Canon digital single reflex cameras. The lens is constructed with 13 elements in 9 groups. This is a telephoto zoom lens with macro 1: 2 function where the macro switchover mechanism allows you to click pictures with a minimum focus distance of 0.95 m within the focal length of 180 - 300 mm. The high mechanical quality is combined with the excellent optical qualities in the telephoto lens for effective results.
The design of the Tamron AF 70-300mm F-4-5.6 Di LD Macro lens is carefully done with a rotation optical construction. The number of diaphragm blades in the diaphragm of the aperture in the Tamron lens is 9. These diaphragm blades help you to click photos by allowing the light to enter and hit the camera sensor to produce images. The maximum viewing angle of this lens is 34Â° 21'. The Tamron Di LD Macro lens is ideal for a digital APS-C sized or a full frame camera.
The aperture with the minimum focal length is 4 and the aperture with the maximum focal length is 5.6 to give you optimal quality images. The minimum aperture of the lens is F/32. The minimum and maximum focal lengths of the Tamron Di LD Macro lens are 70 mm and 300 mm. The dimensions of the Tamron telephoto zoom lens are 116.5 mm x 76.6 mm in length and diameter. In spite of the 9 groups of 13 elements, the lens just weighs 435 g.
The filter attachment in the Tamron lens is 62 mm and lets you add different kinds of filters to your photography, creating new moods in them. The closest focusing distance that allows you to capture the details measures 1.5 m. The AF/M button lets you choose between the autofocus and manual focus options available in this lens according to your requirement. You can easily fill your frame with a lot of objects or subjects of approximately 5 x 7 cm size at a maximum magnification ratio of 1: 2 at a minimum focus distance as short as 95 cm. This ratio in the Tamron AF 70-300mm F-4-5.6 Di LD Macro lens is best suited tocapture small objects like insects and flowers.