| Attribute | Value |
|---|---|
| Lens Construction | 8 elements in 5 groups, including 2 Aspherical elements |
| Diameter | 46 mm |
| Diagonal Angle of View | 49.50 degree |
| Aperture | 1.90 - 8.00 f |
| Notes | For use with Pentax Q compact system camera. Lens shutter. ND filter (2 stops light reduction). PENTAX SP (Super Protect) coating. Optional MH-RA len |
| Filter Size | 5 mm |
| Magnification Ratio | 0.05 x |
| Closest Focus | 0.2 m |
| Focus Details | Autofocus with electronic manual focus |
| Length | 23 mm |
| Diaphragm Blades | 5 |
| APS Equivalent | 47mm |
| Focal Length | 8.50 mm |
| Image Circle | Pentax Q-mount |
| Brand | Pentax |
| Name | Pentax 8.5mm f/1.9 01 Standard Prime |
| Weight | 37 g |
| Type | Standard Prime |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |