Sony SAL300F28G G Series 300mm f/2.8 G Telephoto Lens for Alpha DSLR's Essentials Kit

Product Details:

SSM (Super Sonic wave Motor) - A built-in lens motor for faster automatic focusing with high torque at low speed, quick start/stop response, and quiet, smooth operation.

ED (Extra-low Dispersion) Glass - Three precision ED Glass lenses correct chromatic aberrations to provide extremely sharp telephoto images distant subjects as well as dramatic sports close-ups.

Internal Focusing System - Internal lens elements move, so the overall length does not change creating an auto-focus zoom lens that doesn?t affect the balance of your camera.

2 DMF (Direct Manual Focus) Modes - Allow you to quickly revert to manual focus by just turning the manual focus ring of the lens.

Versatile Focus Hold - Four focus hold buttons in different lens locations, plus electronic slider focus range selector switch.

Lightweight Design - A strong, light magnesium lens barrel makes shooting more comfortable even on long wildlife or sports assignments.

Product Specifications:

Optics/Lens

• Lens Type: Telephoto & Telephoto Zoom
• Aperture (Max.): f/2.8
• Aperture (Min.): f/32
• Filter Diameter: 42mm (internal)
• Lens Groups-Elements: 12 groups, 13 elements
• Minimum Focus Distance: 6' 7" (2.0m)
• Aspheric Elements: no aspheric
• Distance Encoder: Yes
• Distance Scale: Yes
• Non-rotating Focusing Ring: Yes
• SSM Focusing: Built-in
• Tele-converter Compatibility - 1.4x: Yes
• Tele-converter Compatibility - 2.0x: Yes
• Aperture Blade: 9 aperture blades
• Focal Length (35mm equivalent): APS: 450mm (35mm Equivalent: 300mm)
• Focus-hold Button: Yes
• Magnification: x 0.18

Weights and Measurements

• Dimensions (Approx.): 5 13/16 x 9 3/8" (122 x 242.5mm)
• Weight (Approx.): 5lbs 1oz (2300g)