| Lens | Focal length | Max aperture | Weight | Price | Notable points | |------|--------------|--------------|--------|-------|----------------| | | 85 mm | f/1.8 | 371 g | $598 | Faster aperture but less compression; more “classic” portrait length. | | Sigma 135 mm f/1.8 DG DN | 135 mm | f/1.8 | 665 g | $999 | Faster aperture, but longer; heavier and pricier. | | Tamron 70‑180 mm f/2.8 Di III VXD (zoom) | 70‑180 mm | f/2.8 | 705 g | $1199 | Versatile zoom, but larger and slower focusing; not as “prime‑sharp”. | | EYAN‑180 f/2.8 | 180 mm | f/2.8 | 540 g | $1,149‑$1,299 | Compact prime, superb edge‑to‑edge sharpness, silent AF, weather‑sealed. |
“Developed by as the successor to the popular EYAN‑150 , the EYAN‑180 incorporates [new material/algorithm/feature] that improves [efficiency, durability, accuracy, etc.] by up to [percentage] while maintaining compatibility with existing [systems/equipment] .”
The term EYAN-180 might refer to a specific compound, measurement, or experimental result in scientific research.
| Lens | Focal length | Max aperture | Weight | Price | Notable points | |------|--------------|--------------|--------|-------|----------------| | | 85 mm | f/1.8 | 371 g | $598 | Faster aperture but less compression; more “classic” portrait length. | | Sigma 135 mm f/1.8 DG DN | 135 mm | f/1.8 | 665 g | $999 | Faster aperture, but longer; heavier and pricier. | | Tamron 70‑180 mm f/2.8 Di III VXD (zoom) | 70‑180 mm | f/2.8 | 705 g | $1199 | Versatile zoom, but larger and slower focusing; not as “prime‑sharp”. | | EYAN‑180 f/2.8 | 180 mm | f/2.8 | 540 g | $1,149‑$1,299 | Compact prime, superb edge‑to‑edge sharpness, silent AF, weather‑sealed. |
“Developed by as the successor to the popular EYAN‑150 , the EYAN‑180 incorporates [new material/algorithm/feature] that improves [efficiency, durability, accuracy, etc.] by up to [percentage] while maintaining compatibility with existing [systems/equipment] .”
The term EYAN-180 might refer to a specific compound, measurement, or experimental result in scientific research.
