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Plössls
50° Apparent Field Eyepieces
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| 40-mm | |
| Model # | EPL-40.0 |
| Focal Length (mm) | 40 |
| Barrel Size (in.) | 1¼" |
| Apparent Field of View (deg.) | 43 |
| Eye Relief (mm) | 28 |
| Weight (lb / oz) | 0.41 / 6.6 |
| Field Stop Diam. (mm) | 27 |
| Compare to similar focal lengths | |
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In the 1¼" series we included a long eye-relief 40mm focal length in the series with a 43° apparent field. Like the 55mm, its focal plane is at the barrel edge for maximum field in the 1¼" format.