Optical Instrument
Mother assisting son in puzzle sitting at home
Side view of scientist using microscope on table
Portrait of man holding smart phone on table
High angle view of pen with adhesive notes and calculator on wooden table
Close-up of pen on open blank book at table
Vintage camera, film, retro lenses on white table,
Asian woman taking off vr from her face in the office
Man wearing mask
Close-up of camera lens on table
Close-up of pen on open blank book at table
Cropped image of scientist by microscope in laboratory
Scientist looking at liquid based cytology pap smear samples through a microscope.
Close-up of smartphone lens
Happy young businesswoman holding diary against white background
Young scientist working at laboratory
Portrait of girl looking down on table
Young woman wearing hat standing against built structure
Portrait of woman wearing mask
Close-up of coin-operated binoculars against sky
Close-up of eyeglasses on book
Rear view of woman working
Close-up of microscope and chemical in flask against white background
Midsection of person working
High angle view of pen with crumpled papers and financial reports on desk in office
Portrait of young doctor holding microscope over white background
High angle view on two standing women in the office, one with vr and another with tablet
Midsection of man preparing food in kitchen
High angle view of eyeglasses and artificial mustache on wooden table
Close-up of equipment
Young doctor holding microscope over white background
Close-up of scientist looking through microscope
Close-up of woman holding ice cream
Scenic view of sea against sky
Young scientist working at laboratory
Close-up of alarm clock with eyeglasses and book on table
Close-up of multi colored chemicals in test tube with scientist in background
Man with arms raised
Close-up of scientist looking into microscope
Portrait of girl sitting on table
Young scientist working in laboratory
Directly above shot of camera and various tools on table
Midsection of scientist examining chemical in laboratory
Portrait of mature man holding camera
Close-up of eyeglasses on wooden table
Close-up of eyeglasses on table
Scientist wearing mask experimenting at hospital
Close-up of microscope against white background
Close-up of camera lens
Close-up of coin-operated binoculars against sky
Close-up of camera
Young scientist working in laboratory
Zero point clamping system
Portrait of woman holding camera
Eye doctor using digital tablet
Portrait of confident young woman in formalwear holding eyeglasses against black background
Rear view of man photographing landscape by plants
Close-up of bitcoin on table
Close-up of a hand holding digital camera
Smartphone lens for macro-type
Scientist working in laboratory
Girl consulting with eye doctor
High angle view of eyeglasses on wooden table
Directly above shot of pen on blank book by eyeglasses at gray background
Below view of boy and his father looking through binoculars against the sky. copy space.
Close-up of microscope in laboratory
Midsection of woman looking at camera
Digital composite image of scientist analyzing liquid using microscope
Mid adult woman looking at camera
Male scientist experimenting at laboratory
Mid adult man holding camera while standing against white background
High section of woman against building in city
Close-up of snow capped binocular against mountain silhouette
Mid adult man looking at camera
Close-up of coin-operated binoculars against clear sky
Close-up of pen on open blank book at table
Woman with arms outstretched
Directly above shot of pie charts with office supplies on desk in office
Fixed binoculars of parque del oeste in madrid, spain with the cityscape in the background
Camera lens against white background
Young woman on table at home
Mid adult woman looking at camera
Close-up of microphone
Woman with curly hair trying on vr in the office
Young doctor holding microscope over white background
People working
Midsection of man holding mobile phone
Rear view of man photographing sea against sky
High angle view of camera on table
Mid adult man looking at camera
Microphone on table
Portrait of man wearing sunglasses outdoors
Close-up of camera
Midsection of woman working
Mature man using smart phone
Side view of man photographing with smart phone
Close-up of pen on open blank book at table
Side view of senior man working
Close-up of hand-held telescope against cityscape
Close-up of pen on open blank book at table
Portrait of smiling young man