23.04.2012 | Ultra-telephoto G lens - Sony 70-400mm F4-5.6 G the SSM

Sony 70-400 mm F4-5.6 G-the SSM support format lens can be used for the FF-frame and APS-C, with the internal focus design, which means that the front of the lens and use with the orientation and rotation, C-PL filter. Before the Nikon Coolpix S80 Charger  original study to this end mirror is speed due to the focal length too long, to make sacrifices, but thanks to the SSM ultrasonic focus motor is offer fast and quiet focusing experience while shooting, plus distance has allowed border focus button, for many topics close and far to limit the focusing distance of the lens users, effectively reduce the focus focus faster travel.

The most important parameters

Equivalent focal length of "105 600 mm"

Lens construction 12 group 18

Aperture blades number "9 (circular aperture)"

"Minimum focusing distance of 1.5 m"

Maximum magnification of × 0.27

Smallest aperture, F22-32

Lens caliber "φ77mm"

Maximum diameter x length 94.5 × 196 mm

Weight 1500g (NW)

Sony 70-400 mm F4-5.6 G SSM with a focus lock button, very for the need of useful trap-shoot of the user after the focus focus and continue this button press, is the camera temporarily disable the auto-focus, but give the image until the finish, let the shutter just completed, filming, moments Shoudaoqinlai; 12 Group 18, use lens design contains two ED low dispersion lens, even 400 mm keep end nor excellent image quality, and 9 turns soft focus of the Bokeh can get aperture blades, but increases the Acer Aspire 1690 CPU Fan  beauty of the screen, but also more clearly stand out on the subject.

Like a zoom lens in the distance, the Sony camp with Sony 70-400 mm F4-5.6 G-the SSM is to shoot the birds, aviation, sport or theatrical performances, the topic of choice when her connection to the A77 and other APS-C body borders that focal lengths in one fell swoop came 105-600 mm high-sensitivity capability for capturing distant landscape is even more powerful, but the weight of the  HP Pavilion DV7 Keyboard   lens barrel, with a weight of 1.5 KG handheld shooting more than five minutes, I think that all those who are concerned may not, and also due to the hand tremor caused by image blur, so use this mirror, it is recommended that additional shoot better tripod.

By focusing distance border button reach quickly the purpose of focus. If a trap focus needs of the user button locks focus on the subject to capture.

03:10 Publié dans Digital Camera Guide | Lien permanent | Commentaires (0) | | Tags : sony, lens, 70-400mm f4-5.6 g ssm telescope