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This large aperture zoom lens has improved optical performance and retains close-up ability with a minimum focusing distance of 100cm/39.4in and maximum magnification ration of 1:3.5. This lens is suitable for taking all type of subjects such as portraits, landscape, and close-up pictures. Two SLD (Special Low Dispersion) and three 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. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. 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. A removable tripod collar (TS-21) is included as a standard component. When this lens is used with the optional 1.4x EX DG APO or 2x EX DG APO Tele Converters, it becomes a 98-280mm F4 AF telephoto zoom lens or a 140-400mm F5.6 AF telephoto zoom lens respectively.
Submitted by kingkong a Professional
Date Reviewed: April 13, 2011
Strengths: - AF fast and quiet with HSM
- 140mm to 400mm of focal-length for 4/3 DSLRs
- f/2.8 may be a merit of aperture.
- moderate selling price in high P/Q ratio
Weaknesses: - No AF distance-selector
This zoom lens may be the first choice of alternative for Oly ZD 4/3 lens. High optical quality and solid-built design with HSM as well. It is a versatile zoom-lens for portrait, sport and wild-life purpose in term of 135 with the focal-length from 140mm to 400mm in f/2.8.
Duration Product Used: 21+ years
Price Paid: $700.00
Purchased At: Hong Kong SAR, CHINA
Similar Products Used: ZD50-200 SWD
Type of photography: Other
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