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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Leitz | Leica R3 "Oskar Barnack" Gold | 1 |
| 2 | Showa Kogaku | Leotax K3 | 1 |
| 3 | Beck | Folding Frena (No. 6 - 8) | 1 |
| 4 | Certex S.A. | Werlisa MN | 1 |
| 5 | Kigawa | Gotex | 1 |
| 6 | Canon | PowerShot SD450 (Digital IXUS 55 / IXY Digital 60) | 1 |
| 7 | Nikon | Coolpix L120 | 1 |
| 8 | Foitzik | Unca (6x6) | 1 |
| 9 | Soho | Soho Reflex Tropical | 1 |
| 10 | Dacora Dangelmaier | Dignette 300 LK | 1 |
| 11 | Konishiroku (Konica) | Revio II | 1 |
| 12 | Canon | PowerShot A3100 IS | 1 |
| 13 | Kodak Eastman | Kodak Fun Gold 2 (I-touch) | 1 |
| 14 | Newman & Guardia | Twin Lens Pattern | 1 |
| 15 | OPL (Foca) | Foca * | 1 |
| 16 | Monarch | Remington Flex-Master | 1 |
| 17 | Mendel Georges | Field Camera | 1 |
| 18 | Pentax | K-5 IIs | 1 |
| 19 | AGFA | Le Box Camera Flash | 1 |
| 20 | Bolex-Paillard | 480 Macrozoom | 1 |
| 21 | Vredeborch | Optomax Syncrona | 1 |
| 22 | Ernemann | Bob 0 (folding) | 1 |
| 23 | Kuribayashi (Petri) | Petri PX 5 | 1 |
| 24 | Rollei | Wide-Angle Rolleiflex | 1 |
| 25 | unknown companies | Mexico | 1 |
| 26 | Bell & Howell | F3-5 | 1 |
| 27 | Argus | Argus Instant Load 284 | 1 |
| 28 | Asahi | Pentax K1000 Anniversary | 1 |
| 29 | Stereo-Corporation | Contura | 1 |
| 30 | Fuji Optical | Fujifilm GA 645 W | 1 |
| 31 | Ricoh | Ricoh 35 L | 1 |
| 32 | Sears Roebuck | 126 Reflex TLS | 1 |
| 33 | Kodak Eastman | Rainbow Hawk-Eye No.2 | 1 |
| 34 | Argus | Solid State Electronic | 1 |
| 35 | Bradac | Companion | 1 |
| 36 | Zeiss Ikon VEB | Prakti II | 1 |
| 37 | Chinon | Chinon 35 | 1 |
| 38 | Arca Swiss | Arca Swiss Reflex | 1 |
| 39 | Kodak Eastman | Advantix T550 | 1 |
| 40 | Nikon | Nikon F Photomic "flag" | 1 |
| 41 | Leitz | Leica IIIc Luftwaffen-Eigentum chrome | 1 |
| 42 | Sony | Cyber-shot DSC-RX100 | 1 |
| 43 | Demaria-Lapierre | LT Aerial Camera | 1 |
| 44 | Minolta | Freedom Zoom 150 | 1 |
| 45 | Sakar | Princess (16031) | 1 |
| 46 | Sands & Hunter | Imperial | 1 |
| 47 | Canon | Canonet S | 1 |
| 48 | Nagel Dr. August | Vollenda No.52 (4x6.5) | 1 |
| 49 | Kodak Eastman | Folding Brownie No.3 Model B | 1 |
| 50 | Kodak Eastman | Kodak HD | 1 |
| 51 | Foto-Quelle | Revue 350 Automatic | 1 |
| 52 | Rouch | Eureka | 1 |
| 53 | ICA | Cupido (6x9, plate) | 1 |
| 54 | Olympus | AF-10 XB | 1 |
| 55 | Polaroid | Supercolors LM | 1 |
| 56 | Fuji Optical | Nexia 250 IX Z MRC | 1 |
| 57 | Mackenstein | Detective Camera | 1 |
| 58 | Yashica | Minitec Super (Finesse Micro AF) | 1 |
| 59 | Aires Cameras | Airesflex IV | 1 |
| 60 | Ernemann | Minor (Tropical) | 1 |
| 61 | Krasnogorsk | Prinzflex 500 | 1 |
| 62 | Light Ind Prod | Seagull DF | 1 |
| 63 | Yashica | Yashica T4 Zoom (T Zoom) | 1 |
| 64 | Siva | Siva | 1 |
| 65 | Beier | Lotte II | 1 |
| 66 | Ricoh | Ricoh AF-303 | 1 |
| 67 | Kodak Eastman | Folding Pocket No.3 Mod C3 | 1 |
| 68 | Minolta | Minolta 16 (blue) | 1 |
| 69 | Kodak Eastman | EasyShare M763 | 1 |
| 70 | Konishiroku (Konica) | Panorama Zoom | 1 |
| 71 | Nikon | Coolpix S9 | 1 |
| 72 | Balda | Narol | 1 |
| 73 | Polaroid | Polaroid 3200 | 1 |
| 74 | DeJur Amsco | Dejur Reflex Model DR-20 | 1 |
| 75 | Krügener | Delta Klapp (Folding, 1900) | 1 |
| 76 | Kodak Eastman | Kodak Junior 616 | 1 |
| 77 | Canon | PowerShot G9 | 1 |
| 78 | Bolex-Paillard | H16 Leader | 1 |
| 79 | unknown companies | Cyprea | 1 |
| 80 | National | C-R1 | 1 |
| 81 | Zeiss Ikon VEB | Penti I (silver) | 1 |
| 82 | FED | FED C (S) | 1 |
| 83 | Hanimex | 35 C 1 | 1 |
| 84 | Nikon | Coolpix 900S | 1 |
| 85 | Vivitar | Vivitar 2001 Z | 1 |
| 86 | Toa (Toakoki Seisakusho) | Gelto Semi (1939) | 1 |
| 87 | Olympus | Trip 100R | 1 |
| 88 | Condor | Condor IIIS | 1 |
| 89 | Taiyodo Koki | Beauty 35 I | 1 |
| 90 | Bencini | Rolet | 1 |
| 91 | Agfa Berlin | Movexoom S2 | 1 |
| 92 | Leitz | Leica V-Lux 2 | 1 |
| 93 | Rodenstock | Rodar II | 1 |
| 94 | ICA | Minimum Palmos (9x12, 456) | 1 |
| 95 | Chinon | Chinon CX | 1 |
| 96 | Hüttig | Merkur | 1 |
| 97 | Photo Porst | Carena Zoomex Pocket | 1 |
| 98 | Pignons | Alpa Si 2000 | 1 |
| 99 | Yamato | Pal M4 | 1 |
| 100 | Zeiss Ikon | Tenax (folding) | 1 |