Lets meet with entry level tele-photo lens Sony Alpha SAL85F28 85mm f/2.8. Its 85 mm focus is fixed, diaphragm can be set in f/2.8 – f/22 range with use of 7 diaphragm blades; it is attached to camera via Sony A mount. Field of view with 35 mm full-frame sensors is 29 degrees, with APS-C sensors : 19 degrees. Objective lens supports automatic focusing with use of Smooth Autofocus Motor ( SAM ), which is useful for videos recording; and does not support optical image stabilization ( which camera can perform by itself via sensor shifting, if it supports such function ). Minimal focusing distance is 0.6 m. It has only 5 lens elements in 4 groups, this reduces light dissipation and internal reflections amount, all glasses are covered with protective and anti-reflective multicoating. There is ability to attach 55 mm optical filters to it; its sizes are 52.1 ( length ) x 70.1 ( diameter ) mm, and mass is 173 g. Package contains : Sony Alpha SAL85F28 85mm f/2.8 photo-lens itself, frontal and rear caps, carrying and storage case and user’s guide. This is good entry-level tele-photo lens with small glasses amount and auto-focusing, which can be used for video recording, if camera supports image stabilization, and which fits very well for photos making by novice and experienced photographers.
