| Announced: | May 1952 |
| Mount: | M37 |
| Format: | 36 × 24mm |
| Shutter type: | Focal-plane |
| Shutter model: | Mechanical |
| Speeds: | 1/20 - 1/500 + B |
| Exposure metering: | No |
| Also known as: | Tower 23 |
| Announced: | May 1953 |
| Mount: | M37 |
| Format: | 36 × 24mm |
| Shutter type: | Focal-plane |
| Shutter model: | Mechanical |
| Speeds: | 1/25 - 1/500 + B |
| Exposure metering: | No |
| Also known as: | Tower 23 & 24 |
| Announced: | Nov 1954 |
| Mount: | M37 |
| Format: | 36 × 24mm |
| Shutter type: | Focal-plane |
| Shutter model: | Mechanical |
| Speeds: | 1/25 - 1/500 + B |
| Exposure metering: | No |
| Also known as: | Tower 22 |
| Announced: | Feb 1955 |
| Mount: | M37 |
| Format: | 36 × 24mm |
| Shutter type: | Focal-plane |
| Shutter model: | Mechanical |
| Speeds: | 1/2 - 1/500 + B, T |
| Exposure metering: | No |
Japan's first 35mm SLR system. The first camera in the lineup - Asahiflex I (1952), received a quick-return mirror mechanism: when the shutter-release button was pressed, the mirror was raised and held in the raised position, and after releasing the shutter button, it returned to its original position, reopening the viewfinder. In 1953, the Asahiflex IA was released, which received standardized shutter speeds. The Asahiflex IIB (1954) was one of the first cameras with an instant-return mirror mechanism, which no longer required the release of the shutter button. Asahiflex IIA (1955) received an extended shutter speed range up to 1/2 sec.
All Asahiflex cameras used the original M37 screw mount. A small line of Takumar lenses was produced, consisting of compact standard and moderate telephoto prime lenses, as well as 500mm super telephoto lens. All lenses are equipped with preset diaphragm, with the exception of 50/3.5 (1952) and 500mm, which have manual diaphragm.
| Standard prime lenses | |||||||
| Asahi Takumar 50mm F/3.5 • M37 • Pancake lens | 1952 ● | ||||||
| Asahi Takumar 50mm F/3.5 • M37 • Pancake lens | 1953 ● | ||||||
| Asahi Takumar 58mm F/2.4 • M37 | 1954 ● | ||||||
| Short telephoto prime lenses | |||||||
| Asahi Takumar 83mm F/1.9 • M37 | 1953 ● | ||||||
| Asahi Takumar 83mm F/1.9 • M37 | 1955 ● | ||||||
| Asahi Takumar 100mm F/3.5 • M37 | 1952 ● | ||||||
| Medium telephoto prime lenses | |||||||
| Asahi Tele-Takumar 135mm F/3.5 • M37 | 1953 ● | ||||||
| Super telephoto prime lenses | |||||||
| Asahi Tele-photo Takumar 500mm F/5 • M37 | Pro | 1953 ● | |||||
No dedicated lenses for landscape and architectural photography.
No dedicated lenses for architectural photography with perspective correction, professional macrophotography.
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