Lens · prime
Takumar/6x7 400mm f/4
Pentax · from 1969
Discontinuedmedium-format
The earlier non-ED Takumar 6x7 400mm f/4, with a manual diaphragm. It preceded the M* 67 400mm f/4 ED [IF] of 1986. Takumar/6x7 400mm f/4: 5 elements in 5 groups, 12 aperture blades, 8.0m minimum focus, 77mm filter thread, 2570g.
- Focal length
- 400mm
- Max aperture
- f/4
- Mount
- Pentax 67
- Format
- medium-format
- Elements / groups
- 5 / 5
Known for
- Wildlife
- Sports
- Nature
Considerations
- More CA than ED version
- Heavy
Optical characteristics
Silverlog's editorial rating: our own judgement, not measured data.
Sharpness (wide)4, level 4 of 5
Sharpness (stopped)5, level 5 of 5
Contrast4, level 4 of 5
Flare resistance4, level 4 of 5
CA control3, level 3 of 5
Vignetting control4, level 4 of 5
Distortion control5, level 5 of 5
Bokeh: Super telephoto
Rendering: Long reach
Colour: Warm
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Versions
Takumar/6x7
1969-1971
Engraved TAKUMAR/6x7 1:4/400
Super-Takumar/6x7
1971-1981
Engraved SUPER-TAKUMAR/6x7 1:4/400
Same optics
Super-Multi-Coated Takumar/6x7
1981-?
Engraved Super-Multi-Coated TAKUMAR/6x7
Same optics
Common issues
- Tripod mount wear
Buying guide
Check aperture operation, focus smoothness and the condition of the glass and coatings.
Specifications
| Mount | Pentax 67 |
| Focal Length | 400mm |
| Max Aperture | f/4 |
| Min Aperture | f/45 |
| Aperture Blades | 12 |
| Min Focus | 8m |
| Filter Size | 77mm |
| Weight | 2570g |
Optical design
| Formula | Telephoto |
| Elements | 5 |
| Groups | 5 |
| Coating | SMC (Pentax) |
Pricing
- Typical used price (US market)
- $800 - $1400
- Mint
- ~$1700
Indicative, no dated source.