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Top 100 least often collected cameras by CollectiBlend members:
| No. | Manufacturer | Model | Number of collectors |
| 1 | Foto-Quelle | Revue 250 BS | 1 |
| 2 | Minox | Minox GT-E Stereo | 1 |
| 3 | unknown companies | Transparent | 1 |
| 4 | Yashica | Yashica T4 Zoom (T Zoom) | 1 |
| 5 | Birnbaum Rumburk | Super Perforetta | 1 |
| 6 | Minox | Minox CD 25 | 1 |
| 7 | Olympus | Olympus 35 UC | 1 |
| 8 | GAF | 136 XF | 1 |
| 9 | unknown companies | Kitty | 1 |
| 10 | Lüttke & Arndt | Folding Camera (Plattenkamera, vertical) | 1 |
| 11 | Bermpohl & Co | Bildmeister (Fotomeister) | 1 |
| 12 | Minolta | Riva Pico | 1 |
| 13 | Ihagee Westberlin | Exakta Twin TL | 1 |
| 14 | Voigt | Voigt | 1 |
| 15 | Yashica | Contax ST | 1 |
| 16 | Foto-Quelle | Revueflex SL | 1 |
| 17 | Canon | PowerShot S70 | 1 |
| 18 | Nikon | 1 V1 | 1 |
| 19 | Leullier Louis | Summum | 1 |
| 20 | ICA | Stereolette (610) | 1 |
| 21 | Siemens & Halske | F | 1 |
| 22 | Demilly | Midelly (Boyer Topaz) | 1 |
| 23 | Keystone | K-625 | 1 |
| 24 | Canon | EOS-1Ds | 1 |
| 25 | Concord Cameras | Concord EyeQ Ir | 1 |
| 26 | Konishiroku (Konica) | Koniflex | 1 |
| 27 | Fex - Indo | Tourist | 1 |
| 28 | Goldammer | Perle | 1 |
| 29 | Ricoh | Ricoh RW-1 | 1 |
| 30 | Canon | Sure Shot Caption Zoom (Prima Auto Zoom / New Autoboy) | 1 |
| 31 | Dacora Dangelmaier | Dacora D101 Rapid | 1 |
| 32 | Houghton | Holborn Ilex No.5 P.C. | 1 |
| 33 | Kigawa | Tsubasa Semi | 1 |
| 34 | Vivitar | Vivicam X014 | 1 |
| 35 | Burke & James | Rexoette 2A | 1 |
| 36 | Orionwerk | Orion Box (rollfilm) | 1 |
| 37 | Ricoh | Professional Auto 35H | 1 |
| 38 | Olympus | Trip XB401 | 1 |
| 39 | Condor | Avigo | 1 |
| 40 | Kenngott | Supra (9x12) | 1 |
| 41 | Bradac | Kamarad I | 1 |
| 42 | Murer & Duroni | Murer (strut-folding, 4.5x6) | 1 |
| 43 | Zeiss, Carl VEB | Jenaflex AC1 electronic | 1 |
| 44 | Bradac | Kamarad II (Kamerad) (Export) | 1 |
| 45 | Mackenstein | Field Camera (tailboard) | 1 |
| 46 | New Taiwan | Rokinon Digital | 1 |
| 47 | Olympus | OM-D E-M1 | 1 |
| 48 | Hasselblad | 2000 FC/M | 1 |
| 49 | Miranda | Miranda Auto Sensorex EE-2 (black) | 1 |
| 50 | Ernemann | Saecular | 1 |
| 51 | Ginfax | King"s Cigarettes | 1 |
| 52 | Fuji Optical | Fuji DL 180 Tele (Discovery 180 Tele / Tele Cardia 180) | 1 |
| 53 | Mamiya | Crown | 1 |
| 54 | Sumida | Million Proud | 1 |
| 55 | CIA (Camera-Industrie A.G.) | CIA Stereo Box | 1 |
| 56 | Eisenschimmel & Wachtel | Reisekamera (Field Camera) | 1 |
| 57 | Orionwerk | Tropen Rio 5 C (Tropical) | 1 |
| 58 | Polaroid | One Step 2 | 1 |
| 59 | Beier | Edith I | 1 |
| 60 | Ansco | Ansco Special No.2A | 1 |
| 61 | Rochester Optical | Stereo Premo | 1 |
| 62 | Coronet Camera | Fildia (folding) | 1 |
| 63 | SeaLife | Reefmaster RC (SL515) | 1 |
| 64 | Minolta | Minolta AF Big Finder | 1 |
| 65 | Balda | Micky Rollbox Model III | 1 |
| 66 | Agilux | AgiFlash 44 | 1 |
| 67 | Zeiss Ikon | SL 706 (10.3700) | 1 |
| 68 | New Taiwan | Suntone MM-253 (Focus Free) | 1 |
| 69 | unknown companies | Anny | 1 |
| 70 | Wirgin | Edixa I-L | 1 |
| 71 | Krasnogorsk | Zenit BE-2 | 1 |
| 72 | New Taiwan | Canon Q8200 (Optical Lens Focus Free) | 1 |
| 73 | 3D TECHNOLOGY | 3D Trio | 1 |
| 74 | Leidolf | Automatic Unimark III | 1 |
| 75 | unknown companies | Mini 110 | 1 |
| 76 | Tougodo | Meisupii Ia | 1 |
| 77 | Cosina Co | Cosina CS-1 | 1 |
| 78 | Goerz C.P. Wien | Minicord III (brown) | 1 |
| 79 | Konishiroku (Konica) | Aerial Camera (GSK 99) | 1 |
| 80 | Futura | Futura P | 1 |
| 81 | Foto-Quelle | Revue Pocket 10 | 1 |
| 82 | Royer | Savoyflex II | 1 |
| 83 | Ihagee | Victor 530 | 1 |
| 84 | Minolta | Minolta C10 | 1 |
| 85 | Olympus | Olympus Flex BI | 1 |
| 86 | Yashica | Yashica L AF | 1 |
| 87 | Olympus | Trip 201 | 1 |
| 88 | Technicolor | Techni-Pak 1 | 1 |
| 89 | New Taiwan | Suprema GP 101 (Focus Free) | 1 |
| 90 | Lomography | La Sardina Czar | 1 |
| 91 | Minolta | Vectis GX 4 | 1 |
| 92 | Ansco | Buster Brown No.0 red | 1 |
| 93 | Yashica | Samurai Z-L | 1 |
| 94 | Hasselblad | 503 CW "Gold Supreme" (50th Anniversary) | 1 |
| 95 | Nikon | Coolpix P600 | 1 |
| 96 | Vinten London | Aerial Camera | 1 |
| 97 | Argus | Argus A21 | 1 |
| 98 | Kowa | Light Super | 1 |
| 99 | Canon | PowerShot A540 | 1 |
| 100 | Korsten | Litote Stereo | 1 |