Lub Khob Loj ErgoDeflection Tshiab:

1. Muaj qhov loj ntawm 3.5x, 4x, 5x thiab 6x.
2. Daim ntawv pov thawj patent tos deflection prism.
3. Ib cheeb tsam dav dav ntawm thaj chaw ua haujlwm tuaj yeem pom ncaj qha hauv qab lub qhov muag.
4. Cov thav duab panoramic tilt muab kev tiv thaiv qhov muag zoo tshaj plaws.
5. Qhov txwv siab tshaj plaws ntawm qhov deb ua haujlwm pab txuag cov nqi kho thiab lub sijhawm tsis ua haujlwm ntev
tshwm sim los ntawm kev nyeem cov kev hloov pauv Rx.
6. Cov iav thiab cov ntaub ntawv kho qhov muag qib siab tshaj plaws.
7. Txheej txheej tiv thaiv kev cuam tshuam ntau txheej.