Mipira yopera ya 100mm ndi mtundu wa media womwe umagwiritsidwa ntchito pochita migodi, makamaka pogaya mphero.Mipirayi imapangidwa ndi chitsulo ndipo ndi yayikulu kukula kuposa mitundu ina yamagetsi opera, monga 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 80mm, 90mm, ndi 125mm mipira yopera.Kukula kwakukulu kwa mipirayi kumawathandiza kugwiritsa ntchito mphamvu zowononga komanso zophwanyidwa, zomwe ndizofunikira pakupera ndi kukonzanso miyala yaiwisi.Pakugaya zitsulo, mipira yachitsulo imeneyi imagwira ntchito yofunika kwambiri pophwanya miyala kuti ikhale tinthu ting'onoting'ono.
Kugwiritsiridwa ntchito koyambirira kwa mipira yopera 100mm mu migodi ndi pogaya zitsulo, kumene zimakhala ngati zofalitsa zazikulu zogaya.Mipira imeneyi imagwiritsidwa ntchito pogaya ndi kuyenga miyala yaiwisi, zomwe zimapangitsa kuti tinthu tating'onoting'ono tomwe titha kukonzedwanso kuti tipeze mchere wamtengo wapatali.Kukula kwakukulu kwa mipirayi kumawathandiza kugwiritsa ntchito mphamvu zowononga komanso zophwanyidwa, zomwe ndizofunikira pakupera ndi kukonzanso miyala yaiwisi.
Mwachidule, mipira yopera 100mm ndi gawo lofunikira la mphero za ore pogwira ntchito zamigodi.Kukula kwawo kokulirapo kumawathandiza kugwiritsa ntchito mphamvu zambiri komanso kuphwanya mphamvu, zomwe ndizofunikira kwambiri pogaya ndi kuyeretsa miyala yaiwisi.Mipira yachitsulo imeneyi imagwira ntchito yofunika kwambiri pophwanya miyala yamtengo wapatali kuti ikhale tinthu ting'onoting'ono timene timatulutsa timadzi timene timatulutsa timadzi tambirimbiri tomwe timapanga.