Wide-angle zoom lens system

Wide-angle zoom lens system having a high vari-focal ratio

Wide-angle zoom lens system having a high varifocal ratio

Wide-angle, high-zoom-ratio zoom lens

Wide-angle, single focus lens

Wide-conversion lens and a zoom lens with it

Wide-field exposure optical system

Wide-field eyepiece

Wide-field eyepiece lens

Wide-field eyepiece lens system

Wide-field eyepiece with inside focus

Wide-projection angle liquid crystal projection lens system

Wide-range, wide-angle, rotatable compound zoom

Wideangle four group zoom lens

Wideangle-range-covering zoom lens

Wideband apochromatic lens system

Window structure with non-radial mounting support having graded

Windowed optical system having a tilted optical element to...

Work-magnifying face shield

Working force quantity imparting member, working force quantity