Darkfield loupe
Deluxe magnifier
Dental binoculars
Device combined functionable telescope with microscope
Device for cleaning contact lenses
Device for elevating the lenses of eyeglasses
Digital microscope
Digital microscope
Digitally enhanced night vision device
Display hanger for eyeglasses
Display hanger for eyeglasses
Display viewer
Disposable hand held verifier
Dolly track switch
Door viewer
Door viewer
Door viewer
Dot sight for a range finder
Double lens microscope
Drafting machine scale magnifier attachment