Lens SAL-70300G Sony 70-300mm F/4.5-5.6 G SSM    Box contents Front and rear caps, hood, carrying case and users manual.  Build quality Good, to very good.  Additional information Huge upgrade optically and mechanically from the cheap Sony 75-300mm.  Specifications below  Optical configuration 16 elements in 11 groups  Angle of view 34°-8° full frame, 23°-5° APS-C.  Aperture 9 blades, circular  Full frame and APS-C Yes, made for full frame. APS-C equivalent, 105-450mm  Depth of field and focus scales? Focus distance window.  Minimum focus, image plane to subject 48"" (1.2m)  Minimum focus, end of lens barrel to subject 33.5"" (851mm)  Hard stop at infinity focus? No  Length changes when focusing? No  Focus ring turns in AF? No  Filter size 62mm  Filter ring rotates? No  Distance encoder? Yes    Max magnification 0.25x  Min. F/stop F/22-29  Sony teleconverter compatible? No  Length changes when zooming? Yes  Dimensions WxL (my measurements) 3.2"" x 5.3"" 82mm x 135mm  Maximum extended length (my measurements) 7.8"" (197mm)  Weight bare (my scale) 27oz (767g) 28oz (795g) with caps, hood 2.2oz (61g)