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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Kalimar | Kalimar SR200 | 1 |
| 2 | Adox | Adrette II | 1 |
| 3 | Montgomery Ward | Thornward Dandy | 1 |
| 4 | Coronet Camera | Super Flash | 1 |
| 5 | Fuji Optical | Fujifilm GA 645 W | 1 |
| 6 | Fodor | Fodorcord | 1 |
| 7 | Kuribayashi (Petri) | Semi First (B) | 1 |
| 8 | AGFA | Rapid | 1 |
| 9 | Taron | Taron Auto SE | 1 |
| 10 | New Taiwan | Sceptre YN 500 (Sceptre Optical Color Lens) | 1 |
| 11 | Fuji Optical | MX-700 (FinePix 700) | 1 |
| 12 | Krauss G.A. | Knirps | 1 |
| 13 | New Taiwan | Canon Q8200 (Optical Lens Focus Free) | 1 |
| 14 | Asahi | Pentax MZ-S | 1 |
| 15 | Seneca Camera | Pocket Seneca No.31 | 1 |
| 16 | Asahi | Pentax ZX 5N | 1 |
| 17 | Debrie | Sept I | 1 |
| 18 | Asahi | Pentax LX 2000 | 1 |
| 19 | Polaroid | Image Elite | 1 |
| 20 | Riley Research | Riley Press (Rilex Press) | 1 |
| 21 | Ansco | Junior | 1 |
| 22 | Houghton | Sylvar | 1 |
| 23 | Sanderson | Field Camera (full plate) | 1 |
| 24 | Photo Porst | Porst Happy | 1 |
| 25 | New Taiwan | Yunon YN 500 (Optical Color Lens) | 1 |
| 26 | Whitehouse | Optomax Color | 1 |
| 27 | Polaroid | Spectra Onyx | 1 |
| 28 | Birmingham Photographic | Criterion | 1 |
| 29 | Sands & Hunter | Imperial | 1 |
| 30 | Nikon | Coolpix P510 | 1 |
| 31 | Tougodo | Buena 35 S | 1 |
| 32 | Sony | Cyber-shot DSC-F505 | 1 |
| 33 | Fuji Optical | Fujica HD 1 | 1 |
| 34 | Beier | Voran | 1 |
| 35 | Bentzin | Primarflex (Primar Reflex) | 1 |
| 36 | Kodak Eastman | Folding Rainbow Hawk-Eye Special No.2 | 1 |
| 37 | Kodak Eastman | Six-16 (UK) (black) | 1 |
| 38 | Foto-Quelle | Revue 400 EF | 1 |
| 39 | Canon | PowerShot A540 | 1 |
| 40 | Minolta | Freedom 101 | 1 |
| 41 | Ercsam SA | Camex HS | 1 |
| 42 | Balda | Record | 1 |
| 43 | Kodak Eastman | Six-20 Bull"s-Eye Brownie | 1 |
| 44 | Ricoh | Caplio GX100 | 1 |
| 45 | Yashica | Yashica FFT | 1 |
| 46 | AGFA | Easy Flash (Culture Trip 2) | 1 |
| 47 | Balda | Multina | 1 |
| 48 | Minolta | Riva Zoom 90 EX | 1 |
| 49 | Pignons | Alpa 6c (black) | 1 |
| 50 | Herbert George | Official Brownie Scouts (Mark XII) | 1 |
| 51 | Spirotechnique | Aquamatic (I) | 1 |
| 52 | Burke & James | Rexo 3 | 1 |
| 53 | Linhof | Kardan Color | 1 |
| 54 | Taron | Taron V18 | 1 |
| 55 | Sinclair | Una Deluxe | 1 |
| 56 | Fuji Optical | Fuji Discovery 60 | 1 |
| 57 | Utility MFG | Falcon Model 1 | 1 |
| 58 | Vivitar | Spree Plus | 1 |
| 59 | Leitz | Leica M4 black/chrome | 1 |
| 60 | Fuji Optical | X-A1 | 1 |
| 61 | SEM | Semflex II | 1 |
| 62 | Nikon | D3400 | 1 |
| 63 | FED | FED C (S) | 1 |
| 64 | Asahi | Pentax IQ-Zoom 60 | 1 |
| 65 | Kodak Eastman | Kodak No.2 | 1 |
| 66 | Konishiroku (Konica) | Konica EFP 20 | 1 |
| 67 | Panasonic | Panasonic C-425 AF | 1 |
| 68 | Kodak Eastman | EasyShare C613 | 1 |
| 69 | Laboratorios Mecanicos | Joya (reflex) | 1 |
| 70 | Zeiss Ikon | Trona 210/1 | 1 |
| 71 | Nikon | Nikkorex 35-2 | 1 |
| 72 | Agfa Berlin | Movexoom 6 MOS | 1 |
| 73 | Keystone | K-32 | 1 |
| 74 | Contessa-Nettel | Duchessa Stereo (focal plane shutter) | 1 |
| 75 | Krasnogorsk | Quarz 1x8 S-2 | 1 |
| 76 | Wefo | Meister Korelle | 1 |
| 77 | Nikon | Lite-Touch Zoom 140ED | 1 |
| 78 | Hasselblad | 2000 FC | 1 |
| 79 | Kodak Eastman | Star AF | 1 |
| 80 | Zeiss Ikon | Maximar 207/9 | 1 |
| 81 | Keystone | Aircraft F-8 | 1 |
| 82 | Simmon Brothers | Omega 120 (USN) | 1 |
| 83 | Tiranti | Summa Report | 1 |
| 84 | Sakar | Digital (27286) | 1 |
| 85 | Pentax | Optio RZ18 | 1 |
| 86 | Yashica | Yashica FX-A Quartz | 1 |
| 87 | Mamiya | Mamiya 35 II | 1 |
| 88 | Kodak Eastman | Star 235 | 1 |
| 89 | Panasonic | Lumix DMC-ZS1 (Lumix DMC-TZ6) | 1 |
| 90 | Frankonia | Robinette | 1 |
| 91 | Krasnogorsk | Zenit Automat | 1 |
| 92 | DeVry | Mod.60 | 1 |
| 93 | Rodehüser | Panta (6x6) | 1 |
| 94 | Ricoh | Ricoh AF-50 D | 1 |
| 95 | GAF | Anscomatic 236 | 1 |
| 96 | Plaubel | Luftbildkamera (Aerial) | 1 |
| 97 | Bauer-Bosch | Bauer C 21 | 1 |
| 98 | Houghton | Ensign Midget Silver Jubilee (S55) | 1 |
| 99 | Barbieri | Tropical Camera | 1 |
| 100 | New Taiwan | Mitsuba (Focus Free) | 1 |