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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Keys Stereo | Tri-Vision | 1 |
| 2 | Kodak Eastman | Kodak No.1 | 1 |
| 3 | unknown companies | Lexxus | 1 |
| 4 | FED | FED (Type 1a) | 1 |
| 5 | Reporter Kaufhof | Reporter (King Regula Diplomatic) | 1 |
| 6 | Kodak Eastman | Star 300 MD | 1 |
| 7 | Hanimex | 35 EE | 1 |
| 8 | Concord Cameras | Concord CAM-1 | 1 |
| 9 | Adams & Co | Vesta Deluxe | 1 |
| 10 | Ernemann | Ernoflex Model II | 1 |
| 11 | Yashica | Yashica 300 AF | 1 |
| 12 | Balda | Front-Box (1935) | 1 |
| 13 | Gundlach | Korona View (4x5) | 1 |
| 14 | Nikon | Nikon F (eyelevel, black, F-250) | 1 |
| 15 | Bauer-Bosch | Bauer C 4 Super | 1 |
| 16 | Minolta | Minoltaflex | 1 |
| 17 | Yamato | Pax Ruby | 1 |
| 18 | unknown companies | CMC Camera (gray) | 1 |
| 19 | Olympus | VG-160 | 1 |
| 20 | Vivitar | Vivitar L.A. Brites | 1 |
| 21 | AGFA | Le Box Freestyle | 1 |
| 22 | Polaroid | SUN 635 QS SE | 1 |
| 23 | Voigtländer | Bessa R4 A | 1 |
| 24 | Fuji Optical | FinePix S5100 Zoom (FinePix S5500) | 1 |
| 25 | Kodak Eastman | Retina II (150) | 1 |
| 26 | Ricoh | Ricoh FF-3 AFD Super | 1 |
| 27 | Sears Roebuck | Tower 51 | 1 |
| 28 | Komlosy | Komlosy (Aerial) | 1 |
| 29 | Plaubel | Peco Universal III | 1 |
| 30 | Kodak Eastman | DC290 | 1 |
| 31 | Futura | Futura S (f/1.5) | 1 |
| 32 | OPL (Foca) | Foca Marly | 1 |
| 33 | Rheinmetall VEB | P66 | 1 |
| 34 | Zeiss Ikon | Donata (68/1) | 1 |
| 35 | Kodak Eastman | Folding Brownie No.3 Model D | 1 |
| 36 | Gandolfi | Precision | 1 |
| 37 | Fotobras | Brasilmatic | 1 |
| 38 | Montgomery Ward | Thornward Dandy | 1 |
| 39 | Edixa | Edixa Tele Flashmatic 100 | 1 |
| 40 | Asahi | Pentax Efina AF 50 | 1 |
| 41 | Hasselblad | 500 C "Clear" | 1 |
| 42 | Yashica | Yashica-Mat 124 B | 1 |
| 43 | Ricoh | Ricoh Shotmaster 130Z | 1 |
| 44 | Leidolf | Lordox Junior B | 1 |
| 45 | Pentax | K-5 IIs | 1 |
| 46 | Contessa-Nettel | Altura | 1 |
| 47 | Agfa Berlin | Movex S Automatic | 1 |
| 48 | Taron | Taron Auto SE | 1 |
| 49 | Hanimex | 35 EE Micro | 1 |
| 50 | Kodak Eastman | EasyShare CX7220 | 1 |
| 51 | Konishiroku (Konica) | Hexar Silver | 1 |
| 52 | Panasonic | Lumix DMC-GF2 | 1 |
| 53 | Balda | Balda 844 X Electronic | 1 |
| 54 | Asahi | Pentax MZ-S | 1 |
| 55 | Seneca Camera | Pocket Seneca No.31 | 1 |
| 56 | Canon | Sure Shot K | 1 |
| 57 | Polaroid | Image Elite | 1 |
| 58 | Riley Research | Riley Press (Rilex Press) | 1 |
| 59 | Fuji Optical | Nexia 30 Auto | 1 |
| 60 | Seneca Camera | Seneca No.9 | 1 |
| 61 | Kodak Eastman | Camp Fire Girls Kodak | 1 |
| 62 | Kobayashi Seiko | Kopil Zoom 8 EE | 1 |
| 63 | Detrola Corp. | Detrola B | 1 |
| 64 | Franka Werke | Rolfix Junior | 1 |
| 65 | Photo Porst | Porst Happy | 1 |
| 66 | Ernemann | Minor (Tropical) | 1 |
| 67 | Match King | Pickwik | 1 |
| 68 | Goldammer | Goldeck I | 1 |
| 69 | New Taiwan | Quickshot DI-4410 Mango (New Color Optical Lens) | 1 |
| 70 | Lumiere & Cie | Dialux | 1 |
| 71 | Kodak Eastman | Advantix F620 | 1 |
| 72 | Whitehouse | Optomax Color | 1 |
| 73 | Birnbaum Rumburk | Rapid | 1 |
| 74 | Nikon | Coolpix S630 | 1 |
| 75 | Kowa | Kowa SETR | 1 |
| 76 | Sands & Hunter | Imperial | 1 |
| 77 | Tougodo | Buena 35 S | 1 |
| 78 | Bentzin | Roll-Primar | 1 |
| 79 | Kodak Eastman | Ordinary Kodak C | 1 |
| 80 | Minolta | Maxxum 5xi | 1 |
| 81 | Konishiroku (Konica) | Konica MR 70 | 1 |
| 82 | Bazin & Leroy | Reflex | 1 |
| 83 | Foto-Quelle | Revue 400 EF | 1 |
| 84 | Ercsam SA | Camex HS | 1 |
| 85 | Keystone | A-9 Criterion | 1 |
| 86 | AGFA | Optima Sensor | 1 |
| 87 | Ernemann | Tropen Klapp-Camera (Model I) | 1 |
| 88 | Yashica | Yashica FFT | 1 |
| 89 | unknown companies | Le Platoscope | 1 |
| 90 | Kodak Eastman | Folding Brownie No.3 Model C | 1 |
| 91 | Meopta | Flexaret I | 1 |
| 92 | Elbow Camera Firm | Elbowflex IIIB | 1 |
| 93 | Minolta | Riva Zoom 90 EX | 1 |
| 94 | Burke & James | Rexo Box | 1 |
| 95 | Demaria Freres | Quadra (tailboard) | 1 |
| 96 | Polaroid | Supercolor 1000 Deluxe | 1 |
| 97 | Chiba Symbol Optical | Symbolflex | 1 |
| 98 | Sinclair | Una Deluxe | 1 |
| 99 | Utility MFG | Falcon Model 1 | 1 |
| 100 | Bradac | Flexilette | 1 |