18mm
Common bolt diameter
18mm is a measurement of eighteen millimeters, commonly used for camera lenses, watch bands, and small mechanical parts.
In photography, an 18mm lens is a wide-angle lens that captures broad scenes: I shot the landscape with my 18mm.
The measurement appears frequently in specifications for jewelry, hardware, and precision equipment.
Ornamental personal accessories
- glassTransparent solid from sand
- gemstoneOrnamental cut mineral
- braceletOrnamental wrist band
- necklaceNeck-worn ornament
strand · spacer · lampwork · crystal · Czech · pearl · pendant · stringing
Light-focusing curved glass
- mountClimb up or steed
- focal lengthLens-to-convergence-point distance
- apertureAdjustable optical inlet
- wide-angleEncompassing broad vistas
prime · mirrorless · sensor · depth of field · bokeh · f-stop · full-frame · street photography
Threaded rod for nuts
- nutHard-shelled seed
- socketHollow receiving cavity
- wrenchTool for turning fasteners
- hexMalevolent incantation
spanner · torque · thread · metric · hardware · ratchet · washer · grade
jewelry
Ornamental personal accessories
necklace · strand · spacer · lampwork · crystal · Czech · pearl · pendant · stringing · craft
lens
Light-focusing curved glass
- mountClimb up or steed
- focal lengthLens-to-convergence-point distance
- apertureAdjustable optical inlet
wide-angle · prime · mirrorless · sensor · depth of field · bokeh · f-stop · full-frame · street photography · vlogging
bolt
Threaded rod for nuts
hex · spanner · torque · thread · metric · hardware · ratchet · washer · grade · stainless
ear
Auditory organ
stretched · lobe · jewelry · body modification · taper · organic · stone · wood · acrylic · silicone
camera
Image capturing device
- movieRecorded visual narrative
- celluloidTransparent flammable synthetic material
- projectorLight-casting display device
amateur · home movies · vintage · reel · spool · cartridge · Super 8 · format · analog · footage