canon powershot a is and a feb , at : pre-pma : next up are two new . mp a series digital cameras boasting digic iii processors, face detection technology and iso . the a is a fairly predictable upgrade to the entry-level a , with the a is throwing optical image stabilization, full manual control and...
properties optical losses anti-reflection coatings ar coating color dlarc surface texturing material thickness light trapping lambertian rear reflectors . reducing recombination recombination losses current losses due to recombination voltage losses due to recombination surface recombination . top contact...
dentistry: visualization & posture microscopes do not only provide better visualization during dental surgery. they also help ensure correct posture to avoid back pain and neck... leica science lab ophthalmic surgical panel discussion - summary prof. kei shinoda invited four surgeons, all experts in optical...