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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Hüttig | Afpi | 1 |
| 2 | Kodak Eastman | Kodak No.1 | 1 |
| 3 | unknown companies | Lexxus | 1 |
| 4 | Reporter Kaufhof | Reporter (King Regula Diplomatic) | 1 |
| 5 | Alsaphot | Ajax IIIs | 1 |
| 6 | Kodak Eastman | Star 300 MD | 1 |
| 7 | Adams & Co | Vesta Deluxe | 1 |
| 8 | Fex - Indo | Fex | 1 |
| 9 | AGFA | Optima flash | 1 |
| 10 | Yashica | Yashica 300 AF | 1 |
| 11 | Balda | Front-Box (1935) | 1 |
| 12 | Gundlach | Korona View (4x5) | 1 |
| 13 | Nikon | Nikon F (eyelevel, black, F-250) | 1 |
| 14 | Bauer-Bosch | Bauer C 4 Super | 1 |
| 15 | Minolta | Minoltaflex | 1 |
| 16 | AGFA | Futura Fixfocus 3 | 1 |
| 17 | Yamato | Pax Ruby | 1 |
| 18 | Canon | Canon IVF | 1 |
| 19 | Asahi | Pentax Espio Junior | 1 |
| 20 | unknown companies | CMC Camera (gray) | 1 |
| 21 | Olympus | VG-160 | 1 |
| 22 | Vivitar | Vivitar L.A. Brites | 1 |
| 23 | Polaroid | SUN 635 QS SE | 1 |
| 24 | Cambo | Miniportrait 20 | 1 |
| 25 | Voigtländer | Bessa R4 A | 1 |
| 26 | Fuji Optical | FinePix S5100 Zoom (FinePix S5500) | 1 |
| 27 | Kodak Eastman | Retina II (150) | 1 |
| 28 | Ricoh | Ricoh FF-3 AFD Super | 1 |
| 29 | Sears Roebuck | Tower 51 | 1 |
| 30 | Argon Optical | Argon | 1 |
| 31 | Komlosy | Komlosy (Aerial) | 1 |
| 32 | Plaubel | Peco Universal III | 1 |
| 33 | Ihagee | Night-Exakta | 1 |
| 34 | Kodak Eastman | DC290 | 1 |
| 35 | Eho-Altissa | Altix V (colored) | 1 |
| 36 | Futura | Futura S (f/1.5) | 1 |
| 37 | OPL (Foca) | Foca Marly | 1 |
| 38 | Rheinmetall VEB | P66 | 1 |
| 39 | Zeiss Ikon | Donata (68/1) | 1 |
| 40 | Kodak Eastman | Folding Brownie No.3 Model D | 1 |
| 41 | Fotobras | Brasilmatic | 1 |
| 42 | ICA | Corrida | 1 |
| 43 | Montgomery Ward | Thornward Dandy | 1 |
| 44 | Carena SA | Zoomex S | 1 |
| 45 | Edixa | Edixa Tele Flashmatic 100 | 1 |
| 46 | Hasselblad | 500 C "Clear" | 1 |
| 47 | Yashica | Yashica-Mat 124 B | 1 |
| 48 | Goerz C.P. | Manufoc-Tenax Tropen (Tropical) | 1 |
| 49 | Ricoh | Ricoh Shotmaster 130Z | 1 |
| 50 | Leidolf | Lordox Junior B | 1 |
| 51 | Pentax | K-5 IIs | 1 |
| 52 | Taron | Taron Auto SE | 1 |
| 53 | AGFA | Box England No. 1 | 1 |
| 54 | Hanimex | 35 EE Micro | 1 |
| 55 | Asahi | Pentax PC 550 Date | 1 |
| 56 | Kodak Eastman | EasyShare CX7220 | 1 |
| 57 | Konishiroku (Konica) | Hexar Silver | 1 |
| 58 | Panasonic | Lumix DMC-GF2 | 1 |
| 59 | Bell & Howell | 240A | 1 |
| 60 | Asahi | Pentax MZ-S | 1 |
| 61 | Seneca Camera | Pocket Seneca No.31 | 1 |
| 62 | Canon | Sure Shot K | 1 |
| 63 | Balda | Supermatic | 1 |
| 64 | Polaroid | Image Elite | 1 |
| 65 | Riley Research | Riley Press (Rilex Press) | 1 |
| 66 | Fuji Optical | Nexia 30 Auto | 1 |
| 67 | Hanimex | Hanimex Mini 110 | 1 |
| 68 | Seneca Camera | Seneca No.9 | 1 |
| 69 | Itoh Camera | Itohflex III | 1 |
| 70 | Kodak Eastman | Camp Fire Girls Kodak | 1 |
| 71 | Kobayashi Seiko | Kopil Zoom 8 EE | 1 |
| 72 | Photo Porst | Porst Happy | 1 |
| 73 | Ernemann | Minor (Tropical) | 1 |
| 74 | Match King | Pickwik | 1 |
| 75 | New Taiwan | Quickshot DI-4410 Mango (New Color Optical Lens) | 1 |
| 76 | Lumiere & Cie | Dialux | 1 |
| 77 | Kodak Eastman | Advantix F620 | 1 |
| 78 | Whitehouse | Optomax Color | 1 |
| 79 | Braun Carl | Super Paxette II L | 1 |
| 80 | Chinon | Chinon Auto GLX | 1 |
| 81 | Nikon | Coolpix S630 | 1 |
| 82 | Kowa | Kowa SETR | 1 |
| 83 | Blair | Folding Hawk-Eye No.3 Model 7 | 1 |
| 84 | Sands & Hunter | Imperial | 1 |
| 85 | Tougodo | Buena 35 S | 1 |
| 86 | Boots | Instapac | 1 |
| 87 | Kodak Eastman | Ordinary Kodak C | 1 |
| 88 | Minolta | Maxxum 5xi | 1 |
| 89 | Konishiroku (Konica) | Konica MR 70 | 1 |
| 90 | Foto-Quelle | Revue 400 EF | 1 |
| 91 | Ercsam SA | Camex HS | 1 |
| 92 | Keystone | A-9 Criterion | 1 |
| 93 | Houghton | Ensign Selfix 12-20 | 1 |
| 94 | AGFA | Optima Sensor | 1 |
| 95 | Fex - Indo | Weber Fex 2 C | 1 |
| 96 | Yashica | Yashica FFT | 1 |
| 97 | unknown companies | Le Platoscope | 1 |
| 98 | Kodak Eastman | Folding Brownie No.3 Model C | 1 |
| 99 | Meopta | Flexaret I | 1 |
| 100 | Minolta | Riva Zoom 90 EX | 1 |