Monga momwe mutuwo ukusonyezera, magalasi a varifocal ndi abwino kwambiri pojambula zithunzi za nyama zakuthengo ndipo pakadali pano ndi amodzi mwa ma lens otchuka kwambiri pojambula zithunzi za nyama zakuthengo. Kusinthasintha kwa kutalika kwa focal, liwiro loyang'ana, komanso kukhazikika kwa zithunzi za magalasi a varifocal zimathandiza ojambula kujambula mwachangu nthawi yochepa...
Poyerekeza ndi ma lens a varifocal, ma lens okhazikika amapereka chithunzi chabwino kwambiri, kuphatikizapo resolution yapamwamba, kupotoza pang'ono, komanso kubwereza mitundu bwino, zomwe zimapangitsa kuti akhale chisankho chabwino kwambiri kwa ojambula ambiri ojambula zithunzi. Mu kujambula zithunzi za malo, ma lens okhazikika okhala ndi ma foca osiyanasiyana...
Magalasi a M12 ndi ang'onoang'ono, ali ndi mawonekedwe ang'onoang'ono, ndipo ndi osavuta kuwaphatikiza. Nthawi zambiri amapereka chithunzi chapamwamba kwambiri ndipo ndi abwino kwambiri pakugwiritsa ntchito malo ochepa, zomwe zimathandiza kuti chipangizocho chizigwira ntchito pang'ono. Ali ndi ntchito zambiri pa kujambula zithunzi zachipatala. Pankhani yojambula zithunzi zachipatala,...
Poyerekeza ndi magalasi wamba, magalasi a M12 otsika kupotoza amapereka ubwino waukulu pankhani ya khalidwe la chithunzi ndi zochitika zogwiritsidwa ntchito, zomwe zimakwaniritsa zosowa za mapulogalamu omwe amafunikira kulondola kwambiri kwa chithunzi. Pansipa, tiwona zabwino zake zazikulu mwatsatanetsatane: 1. Kukhulupirika kwambiri pazithunzi ndi kupotoza kochepa...
Magalasi a telephoto, monga momwe dzinalo likusonyezera, ali ndi kutalika kwakutali kwa focal ndipo motero ndi malo opapatiza owonera, zomwe zimapangitsa kuti akhale oyenera kujambula zithunzi za anthu akutali. Pa astrophotography, magalasi a telephoto nthawi zambiri samakhala abwino kujambula thambo la usiku, makamaka pazithunzi zazikulu za malo akuluakulu...