Canon yatulutsa RF 100-500mm F4.5-7.1L IS USM, lens yake yoyamba yapamwamba kwambiri ya RF mount. Si mandala othamanga kwambiri m'banjamo, koma ndiwabwino kwambiri pamasewera ndi kujambula nyama zakuthengo. Kukhazikika kwa kuwala kumathandizira kuchepetsa kugwedezeka ndi kuyimitsidwa kasanu, ndipo pali mitundu itatu ya IS yomwe mungasankhe: yokhazikika, poto kapena yogwira panthawi yowonekera.
Ma lens a kuwala amakhala ndi zinthu 20 m'magulu 14. Zinthu zisanu ndi chimodzi ndi UD (kubalalika kotsika kwambiri), imodzi ndi Super UD. Zinthu izi zimathandizira kuchepetsa kusintha kwa chromatic. Magulu awiri a magalasi omwe akulunjika amayendetsedwa ndi Nano USM mota yachangu komanso yabata autofocus. Ma lens amapitilira pamene akuyandikira. Canon imati ngakhale ndikuwonjezera, mandala amatetezedwa bwino ku fumbi ndi chinyezi.
Zitsamba zisanu ndi zinayi za RF 100-500mm zimathandizira kupanga mawonekedwe ozungulira a zotsatira za bokeh. Magalasiwo amagwirizana ndi zosefera za 77mm ndipo amalemera magalamu 1365 opatsa chidwi. Model yogwirizana ndi , ngakhale mandala ayenera kukhazikitsidwa ku 300mm kapena kupitilira apo kuti amangiridwe.
Mwa njira, kuphatikiza ndi mawonekedwe okhazikika azithunzi okhazikika pakusintha kwa sensor mu makamera opanda galasi opanda mawonekedwe. ΠΈ Magalasi amatha kupereka pafupifupi magawo asanu ndi limodzi okhazikika. RF 100-500mm F4.5-7.1L IS USM ipezeka mu Seputembala pa $2699.
Zotsatira:
Source: 3dnews.ru