Yuav siv li cas los tiv thaiv- txhais tes zoo li qub- tuav magnifier
Cov khoom siv: siab -density anti-static ABS ib puag ncig tiv thaiv yas, siab -zoo kho qhov muag iav lens
Anti- zoo li qub Performance index: 10 mus rau 6th hwj chim -10 mus rau 9th hwj chim
Kev sib txhuam voltage: tsawg dua 100V
Khoom hnyav: net hnyav 105 grams (tsis muaj roj teeb)
Khoom loj: 190x82x25mm (zoo lens loj 61.5mm)
Magnification: 4 zaug
Lub teeb pom kev zoo: 2 No. 7 roj teeb (tsis muaj roj teeb, koj yuav tsum tau yuav los ntawm koj tus kheej) 6 siab - teeb ci LED, ib qho yog zhaoguang banknote nrhiav teeb.
Siv txheej txheej: dav siv nyob rau hauv cov cheeb tsam electrostatic rhiab heev, tuaj yeem siv los ntxuav ib puag ncig (microelectronics, biology, kho mob, thiab lwm yam)
Cov lus hais: Permanently anti-static.
1. Yuav siv txhais tes li cas - tuav iav
①. Put the magnifying glass on the reading material first, and then slowly raise it until the content of the reading material is the clearest and the surrounding images are not deformed.
②. Keep the appropriate distance between the magnifying glass and the reading material, and move them closer or farther together to choose the most satisfactory field of view.
③. The most difficult thing when reading is that the hand holding the mirror is unstable and causes visual fatigue. You can put the hand holding the mirror on the reading material, or put the arm holding the mirror on the table.
④. When reading, many people with low vision like to stick their eyes on the magnifying glass in order to obtain the largest magnification and the largest field of view.
⑤. Adjust the position of the light source to avoid the shadow of the body and the magnifying glass covering the reading material, and avoid reflection and spotlight on the reading material.
⑥. The built-in light source hand-held magnifying glass generally uses a small battery, and the battery capacity is limited, so it is designed with a flexible switch, which is easy to use.