| Feature | Sony Ultra Wide Converter Full-frame Ultra-wide Converter SEL28F20 | AstrHori 18mm F8 (APS-C) Macro Probe Lens for Canon EF |
|---|---|---|
| Image |  |  |
| Product Code | SEL075UWC | A21B-CE |
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Retail Price | $250 USD | $719 USD |
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Maximum Aperture | 3 F-Stop | 8 F-Stop |
Minimum Aperture | 22 F-Stop | 28 F-Stop |
Min Focal Length | 21 mm | 18 mm |
Max Focal Length | 21 mm | 18 mm |
Maximum Magnification | 0 x | |
Max View Angle | 92 Degrees | 76 Degrees |
Min View Angle | 92 Degrees | 76 Degrees |
Lens Groups | 4 Lens Groups | 17 Lens Groups |
Lens Elements | 4 Lens Elements | 23 Lens Elements |
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| Compare | Compare to another camera lens | Compare to another camera lens |