Lens · prime
SMC Pentax 67 45mm f/4
Pentax · 1989-c.2009
Discontinuedmedium-format
The SMC Pentax 67 45mm f/4 is the ultra-wide option for the system, equivalent to about 22mm on 35mm format. SMC Pentax 67 45mm f/4: 9 elements in 8 groups, 8 aperture blades, 0.37m minimum focus, 82mm filter thread, 485g.
- Focal length
- 45mm
- Max aperture
- f/4
- Mount
- Pentax 67
- Format
- medium-format
- Elements / groups
- 9 / 8
Known for
- Landscapes
- Architecture
- Interiors
- Creative perspectives
Considerations
- Chromatic aberration in the corners
- Vignetting
- Large 82mm filters
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 resistance3, level 3 of 5
CA control3, level 3 of 5
Vignetting control3, level 3 of 5
Distortion control3, level 3 of 5
Bokeh: Wide angle character
Rendering: Ultra-wide drama
Colour: Warm Pentax
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Versions
smc PENTAX-6x7
1980-1989
Engraved smc PENTAX-6x7 1:4 45mm
smc PENTAX 67
1989-c.2009
Engraved smc PENTAX 67 1:4 45mm
Same optics
Common issues
- Large front element vulnerable
Buying guide
Check front element carefully. Hood recommended.
Specifications
| Mount | Pentax 67 |
| Focal Length | 45mm |
| Max Aperture | f/4 |
| Min Aperture | f/22 |
| Aperture Blades | 8 |
| Min Focus | 0.37m |
| Filter Size | 82mm |
| Weight | 485g |
Optical design
| Formula | Retrofocus |
| Elements | 9 |
| Groups | 8 |
| Coating | SMC (Pentax) |
Pricing
- Typical used price (US market)
- $500 - $800
- Mint
- ~$950
Indicative, no dated source.