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70-200mm f/2.8 Di LD (IF) Macro AF Lens for Pentax AF


From Tamron | Model #: TA7020028MP

 

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70-200mm f/2.8 Di LD (IF) Macro AF Lens for Pentax AF

Product Description

The Tamron 70-200mm f/2.8 Di LD (IF) Macro Lens is a telephoto zoom lens that has a large maximum aperture of f/2.8 which remains constant throughout the zoom range. It also offers an excellent "close-focusing-distance" minimum of just 3.1' (0.95 m) throughout its entire zoom range, with a maximum macro magnification ratio of 1:3.1 at f=200mm. When mounted on an APS-C sensor size digital SLR camera, it provides a focal length equivalent of 105-300mm.

Di (Digitally Integrated Design) is a designation Tamron puts on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras. Features like LD glass elements and Internal Focusing put this lens in the same category as the much bigger and more expensive professional Tamron lenses.

Performance
Focal Length 70 - 200mm
Aperture Maximum: f/2.8
Minimum: f/32
Camera Mount Type Pentax K
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Pentax Digital (APS-C)
Angle of View 34° - 12°
APS-C Picture Angle: 22° - 7°
Minimum Focus Distance 3.12' / 95 cm
Magnification 0.32x
Maximum Reproduction Ratio 1:3
Optical Design 18 Elements in 13 Groups
Diaphragm Blades 9
Features
Image Stabilization No
Autofocus Yes
Tripod Collar Yes
Physical
Filter Thread 77 mm
Dimensions (DxL) Approx. 3.5 x 7.6" / 8.89 x 19.30 cm
Weight 2.53 lb / 1150 g
Warranty Length
USA Warranty Extension