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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Butcher & Son | Klimax Model I | 1 |
| 2 | Miranda | Mirax Laborec I | 1 |
| 3 | Rollei | Wide-Angle Rolleiflex | 1 |
| 4 | Leitz | Leica Leicina 8SV | 1 |
| 5 | Concord Cameras | Concord 850 Slim Line | 1 |
| 6 | Hasselblad | 500 C/M "Gold Exclusive" (30th anniversary) | 1 |
| 7 | Lancaster | Special Brass Bound Instantograph | 1 |
| 8 | Stereo-Corporation | Contura | 1 |
| 9 | Ricoh | Ricoh 35 L | 1 |
| 10 | Kobayashi Seiko | Crownflex | 1 |
| 11 | Adox | Adrette II | 1 |
| 12 | Olympus | D-580 Zoom (C-460 Zoom) | 1 |
| 13 | unknown companies | U.S. News Panaview | 1 |
| 14 | Eumig | C8 | 1 |
| 15 | Nikon | D850 | 1 |
| 16 | Haking | Microntaflex | 1 |
| 17 | Zeiss Ikon VEB | Prakti II | 1 |
| 18 | Polaroid | Supercolor Elite | 1 |
| 19 | Kodak Eastman | EasyShare V803 | 1 |
| 20 | Elmo | Elmoflex III C | 1 |
| 21 | Murer & Duroni | Murer (strut-folding, focal, 4.5x6) | 1 |
| 22 | Dacora Dangelmaier | Color Digna I | 1 |
| 23 | Minolta | Vectis 200 | 1 |
| 24 | Kodak Eastman | Target Hawk-Eye Junior No.2A (colored) | 1 |
| 25 | Keystone | K-776L (Regal) | 1 |
| 26 | Fodor | Fodor Record | 1 |
| 27 | Bell Camera | Panorama Camera | 1 |
| 28 | Sands & Hunter | Imperial | 1 |
| 29 | Houghton | Victo (Triple Victo) | 1 |
| 30 | Nagel Dr. August | Vollenda No.52 (4x6.5) | 1 |
| 31 | Kodak Eastman | Cartridge Premo No.2C | 1 |
| 32 | Kodak Eastman | Folding Brownie No.3 Model B | 1 |
| 33 | Kodak Eastman | DC240 | 1 |
| 34 | Photo Porst | Porst Reflex C-TL II | 1 |
| 35 | Foto-Quelle | Revue 350 Automatic | 1 |
| 36 | Rouch | Eureka | 1 |
| 37 | Konishiroku (Konica) | Top"s | 1 |
| 38 | ICA | Cupido (6x9, plate) | 1 |
| 39 | Clarus Camera | Wescon | 1 |
| 40 | Olympus | Trip XB401 | 1 |
| 41 | Olympus | AF-10 XB | 1 |
| 42 | Polaroid | Supercolors LM | 1 |
| 43 | New Taiwan | Ouyama 2000H (Optical Lens Focus Free) | 1 |
| 44 | Olympus | OM-D E-M1 | 1 |
| 45 | Yashica | Minitec Super (Finesse Micro AF) | 1 |
| 46 | Kodak Eastman | Folding Hawk-Eye No.3 Model 3 | 1 |
| 47 | Fuji Optical | FinePix 6900 Zoom | 1 |
| 48 | Siva | Siva | 1 |
| 49 | Mamiya | Super Deluxe (I) | 1 |
| 50 | Certex S.A. | Werlisa MN | 1 |
| 51 | Ricoh | Ricoh AF-303 | 1 |
| 52 | Bilora (Kürbi & Niggeloh) | Boy (red) | 1 |
| 53 | Kodak Eastman | Folding Pocket No.3 Mod C3 | 1 |
| 54 | Minolta | Minolta FS 35 Big Finder | 1 |
| 55 | Polaroid | Polaroid PZ2001 | 1 |
| 56 | Balda | Baldixette I | 1 |
| 57 | Graflex | XL Standard | 1 |
| 58 | Dacora Dangelmaier | Dacora D404 Rapid | 1 |
| 59 | Kamerette | Kamerette Junior No.2 | 1 |
| 60 | Polaroid | Polaroid 3200 | 1 |
| 61 | SeaLife | Reefmaster CL (SCL520) | 1 |
| 62 | Minolta | Riva Zoom AF5 | 1 |
| 63 | unknown companies | Photo Flex MX-35 | 1 |
| 64 | New Taiwan | Suntone MM-253 (Focus Free) | 1 |
| 65 | National | C-R1 | 1 |
| 66 | Zeiss Ikon VEB | Penti I (silver) | 1 |
| 67 | Apparat & Kamerabau | Arette A | 1 |
| 68 | Bencini | Comet 235 | 1 |
| 69 | HP | Photosmart 620 | 1 |
| 70 | Toa (Toakoki Seisakusho) | Gelto Semi (1939) | 1 |
| 71 | Minolta | Minolta Auto Semi | 1 |
| 72 | Kodak Eastman | Retina I (016) | 1 |
| 73 | Ernemann | Tropen Klapp-Camera (1911) | 1 |
| 74 | LuPa | Studio Camera | 1 |
| 75 | Taiyodo Koki | Beauty 35 I | 1 |
| 76 | Minolta | Dynax 8000i Prestige | 1 |
| 77 | Agfa Berlin | Movexoom S2 | 1 |
| 78 | Bolta (Photavit) | Photina III | 1 |
| 79 | Polaroid | SUN 660 (transparent) | 1 |
| 80 | Vivitar | Vivitar PS 15 | 1 |
| 81 | Intova | Snap Sights (SS01) | 1 |
| 82 | Asanuma Trading | Acmel MX | 1 |
| 83 | Rodenstock | Rodar II | 1 |
| 84 | Certo | Super Sport Dolly (rangefinder) | 1 |
| 85 | ICA | Minimum Palmos (9x12, 456) | 1 |
| 86 | Nikon | D800E | 1 |
| 87 | Marvel (Comics) | The Incredible Hulk | 1 |
| 88 | Pignons | Alpa Si 2000 | 1 |
| 89 | Yamato | Pal M4 | 1 |
| 90 | Zeiss Ikon | Tenax (folding) | 1 |
| 91 | Kodak Eastman | Deportiva | 1 |
| 92 | Canon | PowerShot SD780 IS (Digital IXUS 100 IS / IXY Digital 210 IS) | 1 |
| 93 | Nikon | Coolpix P310 | 1 |
| 94 | Wirgin | Edixa Reflex Ba | 1 |
| 95 | Toyo Optic | Toyo Field 45 A | 1 |
| 96 | Cam-o-Corp | Cam-o | 1 |
| 97 | Canon | PowerShot A520 | 1 |
| 98 | Alfa Optical | Cosmoflex | 1 |
| 99 | Kodak Eastman | VR 35 K60 | 1 |
| 100 | Lumiere & Cie | Optax (II) | 1 |