| Subclass 01 | Photographic cameras and film cameras |
| C0049 | Camcorders | C0095 | V0179 |
| C0051 | Cameras (Cinematographic –) | C0092 | K0035 |
| C0052 | Cameras (Television –) | C0093 | T0240 |
| C0404 | Cinematographic cameras | C0092 | K0035 |
| D0088 | Diaphragms [photography] | D0139 | B0159 |
| F0098 | Filming apparatus | F0124 | F0188 |
| P0196 | Photographic cameras | P0267 | F0160 |
| P0197 | Photographic cameras [digital/numerical] | P0268 | F0161 |
| S0343 | Shutters [photography] | O0006 | Z0012 |
| T0134 | Television cameras | C0093 | T0240 |
| Subclass 02 | Projectors and viewers |
| D0091 | Diaprojection apparatus | D0145 | D0045 |
| F0096 | Film projectors | P0789 | F0191 |
| F0100 | Films (Viewers for –) | F0132 | F0186 |
| O0069 | Overhead projectors | R0204 | I0048 |
| P0462 | Projection apparatus (Diapositive –) | D0145 | D0045 |
| P0465 | Projectors (Film –) | P0789 | F0191 |
| S0467 | Slide projectors | D0145 | D0045 |
| S0473 | Slides (Viewers for –) | V0137 | D0043 |
| V0084 | Viewers for slides | V0137 | D0043 |
| Subclass 03 | Photocopying apparatus and enlargers |
| B0307 | Blueprint apparatus | P0256 | K0299 |
| E0010 | Easels for photographic enlarging | C0496 | Á0049 |
| E0090 | Enlargers [photography] | A0091 | N0009 |
| F0009 | Facsimile machines | F0002 | S0139 |
| M0150 | Microfilm reading apparatus | L0105 | M0198 |
| M0151 | Microfilming apparatus | M0204 | M0197 |
| P0193 | Photocopying apparatus | P0257 | M0070 |
| P0448 | Printers [photography] | T0227 | N0109 |
| R0096 | Reading apparatus (Microfilm –) | L0105 | M0198 |
| T0252 | Toner cartridges for office copying apparatus | C0223 | F0123 |
| Subclass 04 | Developing apparatus and equipment |
| B0152 | Baths (Developing –) [containers] for photography | C1069 | E0157 |
| D0074 | Developing baths [containers] for photography | C1069 | E0157 |
| F0094 | Film developing apparatus and implements | D0120 | F0187 |
| P0457 | Prints (Developing equipment for photographic –) | E0233 | F0159 |
| T0059 | Tanks for developing films | C1066 | K0165 |
| Subclass 05 | Accessories |
| C0117 | Cardboards frames [photography] | C0050 | K0249 |
| C0223 | Cassettes (Film –) | C0260 | F0190 |
| C0225 | Cassettes for microfilms | C0261 | K0159 |
| C0642 | Controls (Remote –) for diapositive projectors [other than wireless] | C0687 | T0175 |
| C0678 | Corners (Mounting –) for photographs | C0659 | K0256 |
| D0089 | Diapositive loaders | C0368 | D0042 |
| D0090 | Diapositives (Holders for –) | C0597 | T0065 |
| E0119 | Exposure meters | P0706 | M0093 |
| E0120 | Exposure tables [photography] | T0021 | E0223 |
| F0093 | Film cassettes | C0260 | F0190 |
| F0095 | Film loaders [photography] | C0369 | F0184 |
| F0097 | Film splicers | C0665 | F0193 |
| F0099 | Films | F0125 | F0185 |
| F0105 | Filters [photography] | F0145 | S0592 |
| F0191 | Flash apparatus [photography] | F0173 | V0020 |
| F0193 | Flashlamps for photography | F0173 | V0020 |
| F0300 | Frames (Cardboard –) [photography] | C0050 | K0249 |
| F0312 | Frames for transparencies [slides] | C0044 | K0247 |
| H0198 | Holders for diapositives | C0597 | T0065 |
| L0194 | Loaders (Diapositive –) | C0368 | D0042 |
| L0195 | Loaders (Film –) [photography] | C0369 | F0184 |
| M0068 | Masks (Printing –) [photography] | C0030 | M0071 |
| M0152 | Microfilms (Cassettes for –) | C0261 | K0159 |
| M0271 | Mounting corners for photographs | C0659 | K0256 |
| P0191 | Photo reels | B0282 | F0192 |
| P0203 | Photometers [photography] | P0271 | F0165 |
| P0452 | Printing masks [photography] | C0030 | M0071 |
| P0464 | Projection screens | E0054 | V0120 |
| P0467 | Projectors (Spools for film –) | B0283 | O0066 |
| R0140 | Reels (Photo –) | B0282 | F0192 |
| R0178 | Releases (Shutter –) [photography] | D0024 | E0222 |
| R0182 | Remote controls for diapositive projectors [other than wireless] | C0687 | T0175 |
| S0134 | Screens (Projection –) | E0054 | V0120 |
| S0341 | Shutter releases [photography] | D0024 | E0222 |
| S0465 | Slide frames [photography] | C0044 | K0247 |
| S0592 | Splicers (Film –) | C0665 | F0193 |
| S0599 | Spools for film projectors | B0283 | O0066 |
| S0686 | Stands for photographic or cinematographic cameras | P0287 | Á0048 |
| T0021 | Tables (Exposure –) [photography] | T0021 | E0223 |
| T0222 | Titlers for films | T0243 | F0092 |
| T0325 | Transparencies (Frames for –) [slides] | C0044 | K0247 |
| T0376 | Tripods for cameras [photography] | T0353 | H0118 |
| V0085 | Viewfinders [photography] | V0133 | K0243 |
| Subclass 06 | Optical articles |
| A0144 | Anti-dazzle spectacles | L0204 | F0173 |
| A0182 | Arms of spectacle frames | B0478 | S0296 |
| B0250 | Binoculars | J0061 | B0143 |
| B0514 | Bridges for spectacle frames | A0267 | N0092 |
| D0228 | Doors (Spy-holes for –) | M0216 | K0308 |
| F0034 | Fastenings for glasses | A0344 | S0387 |
| F0068 | Field glasses | J0061 | B0143 |
| F0315 | Frames (Spectacle –) | M0299 | S0385 |
| G0099 | Glasses (Fastenings for –) | A0344 | S0387 |
| G0100 | Glasses (Magnifying –) | L0193 | N0010 |
| G0101 | Glasses (Opera –) | J0062 | S0476 |
| G0129 | Goggles | L0209 | V0154 |
| G0206 | Gun sights | V0134 | L0240 |
| H0172 | Hinges for spectacles | C0384 | C0238 |
| J0038 | Judas-holes | M0216 | K0308 |
| L0101 | Lenses (Combination of –) | O0001 | O0035 |
| L0102 | Lenses, simple | L0111 | O0034 |
| M0018 | Magnifying glasses | L0193 | N0010 |
| M0159 | Microscopes | M0211 | M0206 |
| M0200 | Mirrors [optics] | M0243 | T0458 |
| M0239 | Monocles | M0274 | M0223 |
| O0030 | Opera glasses | J0062 | S0476 |
| O0032 | Optical articles, not included in other classes or subclasses | O0045 | O0033 |
| P0135 | Peepholes for doors | M0216 | K0308 |
| P0178 | Periscopes | P0235 | P0135 |
| P0234 | Pince-nez | L0187 | L0224 |
| P0458 | Prisms [optics] | P0782 | P0256 |
| R0146 | Refractors | R0131 | R0054 |
| S0364 | Sights (Gun –) | V0134 | L0240 |
| S0365 | Sights (Telescopic –) for firearms | L0211 | I0047 |
| S0564 | Spectacle frames | M0299 | S0385 |
| S0565 | Spectacle glasses | V0078 | S0386 |
| S0566 | Spectacles | L0203 | S0383 |
| S0567 | Spectacles (Anti-dazzle –) | L0204 | F0173 |
| S0568 | Spectacles (Hinges for –) | C0384 | C0238 |
| S0626 | Spyglasses | L0207 | K0382 |
| S0627 | Spy-holes for doors | M0216 | K0308 |
| S0730 | Stereoscopes | S0372 | S0582 |
| S0856 | Sunglasses | L0210 | N0024 |
| T0129 | Telescopes | T0144 | T0237 |
| T0130 | Telescopic sights for firearms | L0211 | I0047 |
| Subclass 99 | Miscellaneous |
| M0158 | Microscope slides | L0017 | M0205 |
| S0472 | Slides (Microscope –) | L0017 | M0205 |
| WIPO Locarno Classification - Class 16 |