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Pre-PMA 2008: Sigma has announced the launch of 70-200mm and 50-150mm constant f/2.8 lenses for Pentax and Sony owners wanting lovely bright, sensibly-priced telephoto zooms. Both are part of Sigma's premium EX range and include hypersonic focusing motors and apochromatic design.
The Sigma Corporation is pleased to announce the launch of the APO 70-200mm F2.8 II EX DG MACRO HSM large aperture telephoto zoom lens with a large aperture as well as APO 50-150mm F2.8 II EX DC HSM Compact, lightweight, large aperture telephoto zoom lens for Pentax and Sony fittings.
This large aperture zoom lens has improved optical performance and retains close-up ability with a minimum focusing distance of 100cm/39.4in. SLD （Special Low Dispersion） and ELD (Extraordinary Low Dispersion) glass elements provide excellent correction for all types of aberrations. High image quality is assured throughout the entire zoom range. The super multi-layer coating reduces flare and ghosting. The lens design incorporates an inner focusing and inner zooming systems. The overall length of the lens does not change during focusing and zooming, ensuring convenient handling. It is possible to attach optional Sigma APO teleconverters.
This F2.8 large aperture telephoto zoom lens is designed exclusively for
digital SLR cameras with APS-C size sensors and its compact, lightweight
body provides freedom of movement and versatility. The super multi-layer
lens coating reduce flare and ghosting and ensure sharp images throughout
the entire zoom range. The addition of the optional 1.4x EX DG APO or 2x
EX DG APO Tele Converters produce a 70-210mm F4 AF tele-zoom lens
and a 100-300mm F5.6 AF ultra-telephoto zoom lens respectively.
*If the camera body does not support HSM motor, AF does not work.
|Lens name||APO 70-200mm F2.8 II EX DG MACRO HSM||APO 50-150mm F2.8 II EX DG HSM|
|Lens construction||15 groups 18 elements||14 groups 18 elements|
|Angle of view (APS-C crop)||22.8°-8.1°||31.7°-10.8°|
|Closest focus distance||100cm / 39.4in||100cm / 39.4in|
|Maximum reproduction ratio||1:3.5||1:5.3|
|Filter attachment size||77 mm||67 mm|
|Focusing||HSM motor with manual focus override||HSM motor with manual focus override|
|Dimensions||86.5mm×189.8mm (3.4in × 7.5in)||76.5mm×139.7mm (3in × 5.5in)|
|Supplied accessories|| Case
Petal-type Hood (LH850-01)
Tripod socket (TS-21)
Petal-type Hood (LH732-01)