Sony DSLR-A200 Lenses and Accessories Selection Guide - Page 10
mm focal length, 200mm focal length - tripod
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Sony® G Lenses SAL70200G (70-200mm F2.8 G) Shooting distance index Shooting distance scale Focus ring Zoom ring Tripod mount index SAL70200G 3 buttons Electronic Teleconverter compatible ED (Extra-low Dispersion ) glass 70-200mm F2.8 G • Lens groups/elements: 16/19 • Minimum focus: 47-1/4" (1.2 m) • Filter diameter: 77 mm • Size: (diameter x length): 3-7/16 x 7-3/4" (87 x 196.5 mm) • Weight: 2 lb 15.3 oz (1340 g) (w/o tripod mount) High-performance lens for popular telephoto focal lengths that features fast, continuous F2.8 aperture and comfortable handling. Excellent contrast and clarity at all focal lengths, with minimal chromatic aberration because of its 4 ED glass elements. Quiet, responsive focusing comes courtesy of the SSM (Super Sonic wave Motor) and internal focusing. Two types of DMF (Direct Manual Focus) enable you to fine-tune focus, even during AF operation. Also includes 3 focus hold buttons and a focus range limiter. Focus hold button Operation switch Focal length scale 70mm focal length MTF 100 80 40 20 200mm focal length MTF 100 80 60 40 20 0 4 8 12 16 20 Distance from center of image (mm) 0 4 8 12 16 20 Distance from center of image (mm) Open 60R10 line pairs/mm T10 line pairs/mm R30 line pairs/mm T30 line pairs/mm For details of MTF, please refer to p17. F8 R10 line pairs/mm T10 line pairs/mm R30 line pairs/mm T30 line pairs/mm (R: radial target, T: tangential target) 18 Contrast (%) Contrast (%) Contrast (%) Sony G Lenses SAL300F28G 4 buttons Electronic Teleconverter compatible ED (Extra-low Dispersion ) glass 300mm F2.8G • Lens groups/elements: 12/13 (includes 1 filter) • Minimum focus: 78-3/4" (2.0 m) • Filter diameter: 42 mm (rear slide-in type) • Size: (diameter x length): 4-13/16 x 9-9/16" (122 x 242.4 mm) • Weight: 5 lb 1.5 oz (2310 g) (w/o tripod mount) Versatile wide-aperture telephoto lens that produces spectacular results with sports scenes, landscapes, portraits, and more. Provides exceptionally sharp image quality, with 3 ED glass elements to minimize chromatic aberration. Focusing is quiet and responsive due to the SSM (Super Sonic wave Motor) and internal focusing mechanism. Minimum focusing distance is a class-leading 2.0 m. Great operability comes from the pre-focus function, focus range switch, 2 DMF modes, lightweight design, and detachable tripod mount. A large carbon fiber hood provides effective light shielding. Depth of field scale Shooting distance scale Focus hold button Shooting distance index Tripod mount index Slot-in filter frame Focus ring Strap eyelet SAL300F28G (300mm F2.8 G) Focus mode switch DMF switch Focus range adjust layer Focus range switch Focus preset button Buzzer Focus hold/ pre-focus switch MTF 100 80 60 40 20 0 4 8 12 16 20 Distance from center of image (mm) Open R10 line pairs/mm T10 line pairs/mm F8 R10 line pairs/mm T10 line pairs/mm R30 line pairs/mm T30 line pairs/mm R30 line pairs/mm T30 line pairs/mm (R: radial target, T: tangential target) For details of MTF, please refer to p17. Teleconverters These attachments significantly boost the focal length of the primary lens, with no impact on resolving power. A handy tool for minimizing gear. Great for landscape or sports photography. Compatible lenses SAL70200G (70-200mm F2.8G)*1 SAL300F28G (300mm F2.8G)*1 SAL135F28 (135mm F2.8 [T4.5] STF)*2 *1 Compatible with MF and AF focusing modes. *2 Compatible with MF focusing mode only. SAL14TC 1.4x Teleconverter • Lens groups/elements: 4/5 • Size: (diam x length): 2-1/2 x 13/16" (64 x 20 mm) • Weight: 6 oz (170 g) SAL20TC 2x Teleconverter • Lens groups/elements: 5/6 • Size: (diam x length): 2-1/2 x 1-11/16" (64 x 43.5 mm) • Weight: 7.1 oz (200 g) Icons: Circular aperture Internal focusing Focus Hold Button Focus Range limiter ADI flash metering SSM (Super sonic wave motor) • For details, please refer to the Lens Technology section on p.26-28. 19