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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Seneca Camera | Pocket Seneca No.3A | 1 |
| 2 | Gamma | Gamma III | 1 |
| 3 | Arnold | Karma-Flex (6x6, Model I) | 1 |
| 4 | FAP | Norca CMT | 1 |
| 5 | Minolta | Autopress Minolta | 1 |
| 6 | Braun Carl | Super Paxette II M | 1 |
| 7 | Schleussner | Adox 300 | 1 |
| 8 | Canon | PowerShot SX700 HS | 1 |
| 9 | Nikon | Coolpix 990 | 1 |
| 10 | Concord Cameras | Concord 110 TEF | 1 |
| 11 | Ernemann | Bob IV | 1 |
| 12 | Boots | Pacer 35 CLK | 1 |
| 13 | Ruberg & Renner | Fibiru | 1 |
| 14 | Agfa Berlin | Movexoom S2 | 1 |
| 15 | Ihagee | Patent Klapp Reflex | 1 |
| 16 | S.C.A.P | Scopa | 1 |
| 17 | Yashica | Contax T3 | 1 |
| 18 | Sears Roebuck | Sears TLS (500 MX) | 1 |
| 19 | Panasonic | Lumix DMC-FH2 (Lumix DMC-FS16) | 1 |
| 20 | AGFA | Agfaflex III | 1 |
| 21 | ICA | Klapp-Palmos (255) | 1 |
| 22 | Nikon | Nikon F (eyelevel, chrome, F-250) | 1 |
| 23 | Fotofex-Kaftanski | Visor-Fex | 1 |
| 24 | London Stereoscopic | Artist (Twin Lens Reflex) | 1 |
| 25 | Spartus | Spartus Box 116 | 1 |
| 26 | Yamato | Pal M4 | 1 |
| 27 | ICA | Volta (146) | 1 |
| 28 | Olympus | Stylus Tough 8000 (mju Tough 8000) | 1 |
| 29 | Crystar Optical | Crystar 35 | 1 |
| 30 | Kowa | Kallo W | 1 |
| 31 | Fex - Indo | Graf | 1 |
| 32 | Leitz | Leica MP | 1 |
| 33 | Riken | Ricohflex B | 1 |
| 34 | Shaw-Harrison Corp | Valiant 620 | 1 |
| 35 | unknown companies | Frica | 1 |
| 36 | Rochester Optical | Star Premo | 1 |
| 37 | Fuji Optical | FinePix S3 Pro | 1 |
| 38 | Konishiroku (Konica) | Konica IIA | 1 |
| 39 | Pho-tak | Macy 120 | 1 |
| 40 | Zeiss Ikon | Super Ikomat 530/16 | 1 |
| 41 | Sears Roebuck | Tower 120 Flash | 1 |
| 42 | Mansfield | Holiday Zoom MM (Meter Matic) | 1 |
| 43 | Krasnogorsk | Zenit ES (ЕС) | 1 |
| 44 | Jonte | Detective | 1 |
| 45 | Konica Minolta | Zoom 60 | 1 |
| 46 | Marvel | Marvel | 1 |
| 47 | Certo | Certo-Matic | 1 |
| 48 | AGFA | Rapid | 1 |
| 49 | Minox | Minox A "Cigarette Lighter" | 1 |
| 50 | Fuji Optical | Fujica Flash Date | 1 |
| 51 | Ansco | Readyset Special No.1A brown | 1 |
| 52 | Haking | Halina 35-600 (H-600) | 1 |
| 53 | Ricoh | Ricoh R1050 | 1 |
| 54 | Pentax | K-5 | 1 |
| 55 | Mamiya | Mamiya M 645 Pro | 1 |
| 56 | Bolex-Paillard | 480 Macrozoom | 1 |
| 57 | Takane | Mine Six Super 66 | 1 |
| 58 | Bourquin | Dragon Daguerreotype | 1 |
| 59 | Franka Werke | Solida (1953) | 1 |
| 60 | Kodak Eastman | Cameo Panoramic (Auto Focus) | 1 |
| 61 | Demaria Freres | Telka XX | 1 |
| 62 | Rollei | Rollei 35RF (2002) | 1 |
| 63 | GOMZ | Fotokor 3 | 1 |
| 64 | Sears Roebuck | Tower Flash 120 Model 8 | 1 |
| 65 | Herbert George | Official Girl Scout (Mark XII) | 1 |
| 66 | ICA | Delta (78) | 1 |
| 67 | Canon | Snappy K | 1 |
| 68 | Nikon | Nuvis 75i | 1 |
| 69 | Franka Werke | Solida 35 | 1 |
| 70 | SEM | Babysem (photo-hall) | 1 |
| 71 | Yashica | Yashica UP | 1 |
| 72 | Photo Porst | Carena Mini Zoom 70 S | 1 |
| 73 | One Minute | One Minute Camera | 1 |
| 74 | Asahi | Pentax Espio Junior | 1 |
| 75 | unknown companies | Excell AE100B | 1 |
| 76 | Leitz | Leica IIIc red curtain | 1 |
| 77 | Kodak Eastman | Advantix T60 | 1 |
| 78 | Unger & Hoffmann | Verax | 1 |
| 79 | Leidolf | Lordox (24x36, 1957) | 1 |
| 80 | Fujimoto | Semi Prince | 1 |
| 81 | Nikon | Coolpix S6000 | 1 |
| 82 | Konishiroku (Konica) | Konica Autoreflex A3 | 1 |
| 83 | Ernemann | Rolf II | 1 |
| 84 | Samsung | Slim Zoom 125 | 1 |
| 85 | Top Camera Works | Top | 1 |
| 86 | Canon | PowerShot G15 | 1 |
| 87 | Kodak Eastman | Folding Pocket No.3 Deluxe | 1 |
| 88 | Minolta | Maxxum 50 | 1 |
| 89 | Foto-Quelle | Revue (35) | 1 |
| 90 | Ross | Portable Divided Camera | 1 |
| 91 | Butcher & Son | Popular Carbine No.1A | 1 |
| 92 | Kodak Eastman | EasyShare CX7430 | 1 |
| 93 | AGFA | Tintin | 1 |
| 94 | Certo | Super 35 | 1 |
| 95 | Ricoh | Ricoh 500 ZF | 1 |
| 96 | Consolidated Industries | Super Foto | 1 |
| 97 | Houghton | Duo-Ensign 2 1/4 B (box) | 1 |
| 98 | AGFA | Agfamatic I a | 1 |
| 99 | Nitto | Elega 35 | 1 |
| 100 | Voigtländer | Bergheil 4.5x6 (Baby) | 1 |