





1–4 dptr. 1–4 dptr. 1–4 dptr. Diopter compensation for difference between left and right eye 4 dptr. 4 dptr. 4 dptr. 4 dptr. Twilight factor 20.5 20.0 22.4 24.5 Geometric light value 17.6 39.1 25.0 17.6 Operational temperature –25° to +55°C range –13° to 131°F –25° to +55°C –13° to 131°F –25° to +55°C –13° to 131°F –25° to +55°C –13° to 131°F Storage temperature range –40° to +85°C –40° to 185°F –40° to +85°C –40° to 185°F –40° to +85°C –40° to 185°F –40° to +85°C –40° to 185°F Eyebase 56–74mm 5