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| Olympus 8x40 DPS I | Kowa 8x30 YF | Celestron Nature DX 8x42 | Celestron 8x42 Nature | Hawke Nature-Trek 8x42 | Vanguard Spirit XF 10x42 | |
| Approx Price: | $50 / £45 | $105 (£150) | $140 / £145 | $100 / £100 | $120 / £110 | $200 (£150) |
| Weight: | 25ozs (710g) | 16.7ozs (475g) | 22.2ozs (629g) | 27 oz (765 g) | 23.5oz (665g) | 23.5oz (665g) |
| Length: | 7.2in (18.2cm) | 4.6in (11.8cm) | 5.3in (13.5cm) | 5.7in (14.4cm) | 5.6in (14.1cm) | 5.9in (15.0cm) |
| Width: | 5.5in (13.9cm) | 6.3in (16cm) | 4.9in (12.4cm) | 4.3in (11cm) | 5in (12.7cm) | 5.1in (13.0cm) |
| Eye Relief: | 10 - 12mm? | 16mm | 17.5mm | 18mm | 18mm | 16mm |
| Min Focusing Dist: | 13.1ft | 6.9ft | 6.5ft | 9.2ft | 6.6ft | 6.9 feet |
| FOV at 1000yds: | 429ft | 396ft | 388ft | 369ft | 388ft | 332ft |
| Exit Pupil: | 5mm | 3.75mm | 5.25 | 5.25mm | 5.25mm | 4.2mm |
| Prism Type: | Porro | Porro | Roof | Roof | Roof | Roof |
| Prism Glass: | Not Specified | BAK-4 | BAK-4 | BAK-4 | BAK-4 | BAK-4 |
| Phase Correction: | Not Needed | Not Needed | Yes | No | No | No |
| Anti-Reflection Coatings: | Monolayer coating | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated |
| Waterproof: | No | Yes | Yes | Yes | Yes | Yes |
| Fogproof: | No | Yes | Yes | Yes | Yes | Yes |