Lens · macro
SMC Pentax 67 100mm f/4 Macro
Pentax · 1998-c.2009
Discontinuedmedium-format
The SMC Pentax 67 100mm f/4 Macro is a true macro lens, roughly 50mm equivalent. It reaches about 1:1.9 on its own and up to 1.12x with the supplied Life-Size Converter, which screws onto the front. SMC Pentax 67 100mm f/4 Macro: 6 elements in 4 groups, 8 aperture blades, 0.443m minimum focus, 77mm filter thread, 600g.
- Focal length
- 100mm
- Max aperture
- f/4
- Mount
- Pentax 67
- Format
- medium-format
- Elements / groups
- 6 / 4
Known for
- Macro
- Product
- Close-up
- Flat artwork
Considerations
- Needs the supplied Life-Size Converter to reach 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 resistance4, level 4 of 5
CA control5, level 5 of 5
Vignetting control4, level 4 of 5
Distortion control5, level 5 of 5
Bokeh: Macro flat field
Rendering: Excellent close-up
Colour: Neutral
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Common issues
- Helicoid can stiffen
Buying guide
Alternative to 135mm Macro. Check helicoid.
Specifications
| Mount | Pentax 67 |
| Focal Length | 100mm |
| Max Aperture | f/4 |
| Min Aperture | f/32 |
| Aperture Blades | 8 |
| Min Focus | 0.443m |
| Filter Size | 77mm |
| Weight | 600g |
Optical design
| Formula | unknown |
| Elements | 6 |
| Groups | 4 |
| Coating | SMC (Pentax) |
| Special | Floating mechanism |
Pricing
- Typical used price (US market)
- $350 - $600
- Mint
- ~$750
Indicative, no dated source.