Maker | Sigma Corporation |
---|---|
Technical data | |
Focus drive | Ultrasonic motor |
Focal length | 150mm |
Aperture (max/min) | f/2.8 – f/22 |
Close focus distance | 38 cm / 15.0 in. |
Max. magnification | 1:1 |
Diaphragm blades | 9 |
Construction | 16 elements in 12 groups |
Features | |
Short back focus | No |
Lens-based stabilization | Yes |
Macro capable | Yes |
Application | Macro / Telephoto |
Physical | |
Max. length | 137 mm / 5.4 in. |
Diameter | 79.6 mm / 3.1 in. |
Weight | 895 g / 31.6 oz. |
Filter diameter | 72 mm |
Accessories | |
Lens hood | Barrel |
Angle of view | |
Diagonal | 16.4º |
History | |
Introduction | January 2006 |
Retail info | |
MSRP | $880.00 USD |
The Sigma 150mm f/2.8 APO Macro EX DG HSM is a telephoto macro prime lenses made by Sigma Corporation.
The lens was produced for the SA mount, Canon EF mount, Four Thirds System, and the Nikon F-mount; all have the same optical formula.
The Sigma 150mm f/2.8 APO Macro EX DG HSM is a consumer-level macro lens. It is constructed with a plastic body and a metal mount. This lens features a distance window with magnification scale. A nine-blade, maximum aperture of f/2.8 gives this lens the ability to create very shallow depth of field effects. The optical construction of this lens is made up of 16 lens elements, including two SLD (Special Low Dispersion) elements. This lens uses an inner focusing system, powered by a ring type HSM motor. Auto focus speed of this lens is slow in absolute terms, being a macro lens it is not as fast as most ring HSM lenses. The front of the lens does not rotate nor extend when focusing. This lens is compatible with Sigma teleconverter lenses. [1]
The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) design and development. Four Thirds refers to both the size of the image sensor (4/3") as well as the aspect ratio (4:3). The Olympus E-1 was the first Four Thirds DSLR, announced and released in 2003. In 2008, Olympus and Panasonic began publicizing the Micro Four Thirds system, a mirrorless camera system which used the same sensor size; by eliminating the reflex mirror, the Micro Four Thirds cameras were significantly smaller than the Four Thirds cameras. The first Micro Four Thirds cameras were released in 2009 and the final Four Thirds cameras were released in 2010; by that time, approximately 15 Four Thirds camera models had been released by Olympus and Panasonic in total. The Four Thirds system was quietly discontinued in 2017, six years after the final cameras were released.
Nikkor is the brand of lenses produced by Nikon Corporation, including camera lenses for the Nikon F-mount.
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Sigma Corporation is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai, Fukushima, Japan. Although Sigma produces several camera models, the company is best known for producing high-quality lenses and other accessories that are compatible with the cameras produced by other companies.
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The 18-50mm f/2.8-4.5 DC OS HSM is a wide-angle zoom lens produced by Sigma Corporation. The lens has four different variates, fitting on the Canon EF mount, Pentax K mount, Minolta A-mount, and the Nikon F-mount. It features internal focusing and internal zooming, as well as two SLD elements and three aspherical lenses.
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