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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Kuribayashi (Petri) | Petri EF35 | 1 |
| 2 | Taisei Koki | Super Westomat (I) | 1 |
| 3 | Western Camera | Cyclone No.3 | 1 |
| 4 | Certex S.A. | Wesa I | 1 |
| 5 | Deitz | Deitzflex | 1 |
| 6 | Certex S.A. | Werlisa Sport Zoom Super 60 | 1 |
| 7 | Haking | Halina Ansco Pixflash | 1 |
| 8 | Kodak Eastman | Retina II (122) | 1 |
| 9 | Haking | Halina Disc 408 | 1 |
| 10 | Ansco | Junior No.2C | 1 |
| 11 | Pignons | Alpa Si 2000 | 1 |
| 12 | Braun Carl | Paxina IIc | 1 |
| 13 | Chinon | Chinonflex TTL | 1 |
| 14 | Polaroid | One Step National Enquirer | 1 |
| 15 | unknown companies | Cecil camera | 1 |
| 16 | Zeiss Ikon | Contina-matic (Contina Ic) | 1 |
| 17 | Ciro Cameras | Ciroflex F (Graflex) | 1 |
| 18 | Simpro | Simpro-X | 1 |
| 19 | Leidolf | Lordox II S | 1 |
| 20 | Polaroid | Polaroid 252BV | 1 |
| 21 | Sea & Sea | Pocket Marine | 1 |
| 22 | Canon | PowerShot S300 (Digital IXUS 300) | 1 |
| 23 | Nikon | Coolpix A | 1 |
| 24 | Konishiroku (Konica) | Dr.Finder Jr. EPJ 10 | 1 |
| 25 | KW (KameraWerkstatten) | Praktica M 40 MD | 1 |
| 26 | Asahi | Pentax Pino 35 E | 1 |
| 27 | Foto-Quelle | Revue Superflex TTL | 1 |
| 28 | Sanei | Samoca 35 IV | 1 |
| 29 | Konishiroku (Konica) | Konica K Mini | 1 |
| 30 | Reflex Camera | Junior Reflex Camera | 1 |
| 31 | Compagnie Francaise de Photographie | Photosphere 1 (8x9) | 1 |
| 32 | Kodak Eastman | Bull"s Eye Special No.4 | 1 |
| 33 | Sanei | Samoca 28 (X) | 1 |
| 34 | Plaubel | Makinette (chrome) | 1 |
| 35 | GOMZ | Sputnik-2 | 1 |
| 36 | ICA | Reflex (748, 6x9, Künstler) | 1 |
| 37 | Lumiere & Cie | Cilmatic Electric 300 S | 1 |
| 38 | unknown companies | Getter 1001 | 1 |
| 39 | Bazin & Leroy | Reflex | 1 |
| 40 | AGFA | Colour King 400 | 1 |
| 41 | Leitz | Leica M6 TTL .85 black | 1 |
| 42 | Olympus | VG-160 | 1 |
| 43 | unknown companies | Hoca Junior | 1 |
| 44 | Rodenstock | Rodar | 1 |
| 45 | Konishiroku (Konica) | Konica Marine C35 | 1 |
| 46 | Talbot Romain | Errtee (Button) | 1 |
| 47 | Fotax | Fotima Reflex | 1 |
| 48 | Contessa-Nettel | Ergo | 1 |
| 49 | Marion | Oxford | 1 |
| 50 | Agfa Berlin | Moviematic C 100 | 1 |
| 51 | Canon | PowerShot S230 ELPH (Digital IXUS v3) | 1 |
| 52 | Rectaflex Starea | Rectaflex 1300 (Standard, f1.9) | 1 |
| 53 | Bolex-Paillard | 160 Macrozoom | 1 |
| 54 | Newman & Guardia | Twin Lens Pattern | 1 |
| 55 | OPL (Foca) | Foca * | 1 |
| 56 | Foto-Quelle | Revueflex TL 300 | 1 |
| 57 | Hanna Barbera | Fred Flintstone (126) | 1 |
| 58 | Mendoza | Tailboard | 1 |
| 59 | Montanus (Potthoff) | Amplion Reflex | 1 |
| 60 | Demaria-Lapierre | LT Aerial Camera | 1 |
| 61 | Haking | Halina Pocket 2000 | 1 |
| 62 | Ricoh | Ricoh Shotmaster 130Z | 1 |
| 63 | DeVry | Mod.77 | 1 |
| 64 | Panasonic | Lumix DMC-GF2 | 1 |
| 65 | Arnold | Linco Flex | 1 |
| 66 | Steiner Optik | Hunter 35 | 1 |
| 67 | SEM | Kim (II) | 1 |
| 68 | Richter KW | Siforflex | 1 |
| 69 | Riken | Ricolet S | 1 |
| 70 | Busch Emil | Folding Plate (Preis) | 1 |
| 71 | Canon | EOS 1 HS | 1 |
| 72 | Fuji Optical | Fuji G 617 (Panorama Professional) | 1 |
| 73 | Houghton | Flush Back Ensign | 1 |
| 74 | Seneca Camera | Seneca No.5 | 1 |
| 75 | Ansco | Buster Brown Folding No.1 | 1 |
| 76 | Yashica | Yashica Super-800 Electro | 1 |
| 77 | Photo Porst | Hapo 35 | 1 |
| 78 | Buisson | Detective Camera | 1 |
| 79 | Herbert George | Imperial Debonair (set) | 1 |
| 80 | New Taiwan | Panorama Normal (Focus Free Optical Lens) | 1 |
| 81 | Kodak Eastman | Kodak KB 32 | 1 |
| 82 | Eumig | C8 | 1 |
| 83 | Futura | Efka 24 | 1 |
| 84 | Nikon | Coolpix S620 | 1 |
| 85 | Asahi | Pentax Z-1 | 1 |
| 86 | Minolta | Minolta Best III (Vest) | 1 |
| 87 | Rochester Optical | Pony Premo No.4 | 1 |
| 88 | Classic Perless | Classic II | 1 |
| 89 | Elmo | Elmoflex III C | 1 |
| 90 | Canon | PowerShot G3 | 1 |
| 91 | Kodak Eastman | Folding Pocket No.4A | 1 |
| 92 | Foto-Quelle | Revue 35 XE | 1 |
| 93 | Chinaglia Dom AFIOM | Wega | 1 |
| 94 | Polaroid | Swinger II | 1 |
| 95 | Olympus | AF-10 XB | 1 |
| 96 | Polaroid | Supercolors LM | 1 |
| 97 | Yashica | Yashica EZ Matic 4 | 1 |
| 98 | Mackenstein | Strut Folding Camera | 1 |
| 99 | Bell & Howell | Gun Camera (NAVY) | 1 |
| 100 | Zeiss Ikon | Contax II (black) | 1 |