Helios
Helios was a type of camera lenses, made in the USSR by a range of lens manufacturers such as KMZ, MMZ and Valdai. They were usually supplied with Zenit SLR cameras and thus usable with other M42 lens mount cameras. Some later Helios models were built also for the Pentax K mount. The Helios-40 and Helios-44 and are derivatives of the Carl Zeiss Biotar optical formula; the Helios-44 is has a strong aberration at the margins, resulting in a characteristic 'swirl' which is reminiscent of Petzval lenses.
Model | Mount | Focal Length | Maximum Aperture | Minimum Aperture |
Helios-1 | 50mm | ƒ/2.0 | ||
Helios-2 | M42 | 45mm | ƒ/2.0 | ƒ/16 |
Helios-3 | 100mm | ƒ/2.0 | ||
Helios-23 | 35mm | ƒ/2.0 | ||
Helios-27 | 135mm | ƒ/2.0 | ||
Helios-29 | 25mm | ƒ/1.5 | ||
Helios-31 | 40mm | ƒ/1.4 | ||
Helios-32 | 15mm | ƒ/2.0 | ||
Helios-33 | M28 | 35mm | ƒ/2.0 | ƒ/16 |
Helios-34 | 15mm | ƒ/4.0 | ||
Helios-35 | 15mm | ƒ/1.5 | ||
Helios-39 | 25mm | ƒ/4.0 | ||
Helios-40 | LTM | 85mm | ƒ/1.5 | ƒ/22 |
Helios-40-2 | M42 | 85mm | ƒ/1.5 | ƒ/22 |
Helios-41 | 150mm | ƒ/2.0 | ||
Helios-42 | 27mm | ƒ/2.8 | ||
Helios-43 | 19mm | ƒ/1.5 | ||
Helios-44 | LTM, M42, Pentax K | 58mm | ƒ/2.0 | ƒ/16 – ƒ/22 |
Helios-49 | 75mm | ƒ/1.5 | ||
Helios-50 | 100mm | ƒ/1.5 | ||
Helios-51 | 200mm | ƒ/1.5 | ||
Helios-52 | 150mm | ƒ/1.5 | ||
Helios-53 | M42 | 200mm | ƒ/2.5 | ƒ/16 |
Helios-54 | 135mm | ƒ/2.0 | ||
Helios-55 | 200mm | ƒ/2.5 | ||
Helios-57 | 9mm | ƒ/3.5 | ||
Helios-58 | 10mm | ƒ/1.6 | ||
Helios-61 | 80mm | ƒ/2.5 | ||
Helios-62 | 29mm | ƒ/1.8 | ||
Helios-64 | 44mm | ƒ/1.8 | ||
Helios-65 | M42 | 52mm | ƒ/2.0 | ƒ/22 |
Helios-66 | 10mm | ƒ/3.5 | ||
Helios-67 | 200mm | ƒ/1.5 | ||
Helios-68 | 200mm | ƒ/1.5 | ||
Helios-70 | M42, Pentax K | 52mm | ƒ/1.9 | ƒ/16 |
Helios-76 | 35mm | ƒ/2.0 | ||
Helios-77 | 75mm | ƒ/2.0 | ||
Helios-77M | M42, Pentax K | 52mm | ƒ/1.8 | ƒ/16 |
Helios-77M-4 | M42, Pentax K | 50mm | ƒ/1.8 | ƒ/16 |
Helios-79 | 45mm | ƒ/2.0 | ||
Helios-81 | Nikon F | 52mm | ƒ/2.0 | ƒ/16 |
Helios-85 | M42 | 85mm | ƒ/2.0 | ƒ/16 |
Helios-88 | M42 | 50mm | ƒ/1.9 | ƒ/16 |
Helios-89 | 30mm | ƒ/1.9 | ƒ/16 | |
Helios-94 | Contax-Kiev | 50mm | ƒ/1.8 | ƒ/16 |
Helios-97 | M42 | 52mm | ƒ/2.0 | ƒ/16 |
Helios-98 | M42 | 28mm | ƒ/2.8 | ƒ/16 |
Helios-101 | M42 | 52mm | ƒ/1.8 | ƒ/16 |
Helios-103 | Contax-Kiev | 53mm | ƒ/1.8 | |
Helios-107 | M42 | 65mm | ƒ/2.8 | ƒ/22 |
Helios-113 | M | 40mm | ƒ/1.8 | |
Helios-123 | 50mm | ƒ/1.4 |