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Nikon D200 and Sigma HSM support
Dennis Hissink : December 27th 2005 - 18:20 CET
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 Nikon D200 and Sigma HSM support : AF function of Sigma HSM equipped lenses do not operate when AF operation button on the back of the body of a Nikon D200 digital SLR camera (recently introduced to the market by Nikon) is used. This problem is caused due to a firmware bug of Sigma HSM equipped lenses. Sigma regret any inconvenience that may cause to Sigma's customers who own a Nikon D200 D-SLR camera. Sigma are committed to making this situation right. In this respect, Sigma will immediate start updating firmware of these lenses free of charge. Please also note that if "shutter button" is used for AF operation of HSM equipped lenses, camera and lens combination works without any problem.
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 Sigma lens - Hyper Sonic Motor
This problem occurs with Sigma HSM equipped lenses only. Non-HSM models of Sigma lenses function properly with a D200 digital SLR camera. The Sigma HSM lens models provide quiet high-speed auto-focus shooting, as well as full-time manual focus. The Hyper Sonic Motor (HSM) driven by ultrasonic waves is used by a HSM driven lens to ensure the fast and quite results. Professionals or semi-pro's who are used to speed find the HSM lens a perfect match with their digital SLR equipment.
Sigma HSM fixed focal lenses
- 14mm F2.8 EX ASPHERICAL HSM
- 30mm F1.4 EX DC HSM
- APO MACRO 150mm F2.8 EX DG HSM
- APO MACRO 180mm F3.5 EX HSM
- APO MACRO 180mm F3.5 EX DG HSM
- APO 300mm F2.8 EX HSM / APO 300mm F2.8 EX DG HSM
- APO 500mm F4.5 EX HSM / APO 500mm F4.5 EX DG HSM
- APO 800mm F5.6 EX HSM / APO 800mm F5.6 EX DG HSM
Sigma HSM zoom lenses
- 10-20mm F4-5.6 EX DC HSM
- 12-24mm F4.5-5.6 EX DG ASPHERICAL HSM
- 17-35mm F2.8-4 EX DG ASPHERICAL HSM
- APO 50-500mm F 4-6.3 EX HSM / APO 50-500mm F 4-6.3 EX DG HSM
- APO 70-200mm F 2.8 EX HSM / APO 70-200mm F 2.8 EX DG HSM
- APO 100-300mm F4 EX HSM / APO 100-300mm F 4 EX DG HSM
- APO 120-300mm F 2.8 EX HSM / APO 120-300mm F 2.8 EX DG HSM
- APO 300-800mm F 5.6 EX HSM / APO 300-800mm F 5.6 EX DG HSM
About Sigma
The corporate name, Sigma is a Greek letter equivalent to "S" in English. This character has been used as a sign of the total sum in mathematics. It expresses our business concept symbolized by a concert, consisting of technology, knowledge, experience and wisdom. We believe that SIGMA products embody the high technology, experience and thoughtfulness of each of our staff members. The products have been manufactured with our consolidated power at Aizu Factory equipped with the latest facilities. This plant utilizes a process production system as an "Intelligent Factory" on which all steps of production, sales and technology are focused. Now the plant has become our base of production where quality and high performance products are manufactured. We deal in a wide variety of image devices around the world. We have decided to contribute through our business achievements to the improvement of communication and the future living standards of the people in the world.
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