| Feature | Sony FE 20mm F1.8 G Full-frame Ultra-wide Prime G Lens | Irix Lens 21mm f/1.4 Dragonfly for Pentax K |
|---|---|---|
| Image |  |  |
| Product Code | SEL20F18G | IL-21DF-PK |
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Retail Price | $900 USD | $699 USD |
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Maximum Aperture | 2 F-Stop | 1 F-Stop |
Minimum Aperture | 22 F-Stop | 16 F-Stop |
Min Focal Length | 20 mm | 21 mm |
Max Focal Length | 20 mm | 21 mm |
Maximum Magnification | 0 x | |
Max View Angle | 94 Degrees | 90 Degrees |
Min View Angle | 94 Degrees | 90 Degrees |
Lens Groups | 12 Lens Groups | 11 Lens Groups |
Lens Elements | 14 Lens Elements | 15 Lens Elements |
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| Compare | Compare to another camera lens | Compare to another camera lens |