Lens · macro
SMC Takumar 50mm f/4 Macro
Asahi Optical · from 1971
Vintage35mm
A 4-element, 3-group macro lens for close-up work, with 23cm minimum focus and a native 1:2 magnification (M42Lens).
- Focal length
- 50mm
- Max aperture
- f/4
- Mount
- M42 Screw
- Format
- 35mm
- Elements / groups
- 4 / 3
Known for
- Macro photography
- Copy work
- Product photography
- Technical work
Considerations
- f/4 maximum limits general use
- Needs extension for 1:1
Optical characteristics
Silverlog's editorial rating: our own judgement, not measured data.
Sharpness (wide)5, level 5 of 5
Sharpness (stopped)5, level 5 of 5
Contrast5, level 5 of 5
Flare resistance5, level 5 of 5
CA control5, level 5 of 5
Vignetting control4, level 4 of 5
Distortion control5, level 5 of 5
Bokeh: Clean, neutral
Rendering: Flat field, clinical sharpness
Colour: Accurate, punchy with SMC
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Common issues
- Extended helicoid wear
- Dust in elements
Buying guide
Check the helicoid extends smoothly and the elements are clean.
Specifications
| Mount | M42 Screw |
| Focal Length | 50mm |
| Max Aperture | f/4 |
| Min Aperture | f/22 |
| Aperture Blades | 5 |
| Min Focus | 0.234m |
| Filter Size | 49mm |
| Weight | 247g |
Optical design
| Formula | other |
| Elements | 4 |
| Groups | 3 |
| Coating | SMC (Pentax) |
| Special | Optimised for close focus |
Pricing
- Typical used price
- £100 - £180
- Mint
- ~£250
Indicative, no dated source.