Smartphone and camera eyepiece adaptors for scopes, namely, firearm scopes, spotting scopes, crossbow scopes, bow scopes, and telescopes; Riflescopes; Spotting scopes; Digital beam-splitters sold as a feature of a riflescope; Electronic and digital angle degree indicators; Electronic and digital angle degree indicators sold as a component of a riflescope or spotting scope; Electronic and digital wind sensors; Electronic and digital wind sensors sold as a component of a riflescope or spotting scope; Ballistic trajectory calculation software and devices for measuring and calculating ballistic trajectory; Electronic and digital level used for measuring incline angles; Electronic and digital devices used for measuring cant angles; Electronic and digital level used for measuring incline angles sold as a component of a riflescope or spotting scope; Electronic and digital devices used for measuring cant angles sold as a component of a riflescope or spotting scope; Electronic and digital adjustment revolution counters and click value devices for riflescopes; Electronic and digital adjustment revolution counters and click value devices sold as a component of a riflescope or spotting scope; Level indicators for mounting on riflescopes or firearms; Measuring apparatus, namely, level indicators and angle indicators sold as a component of a riflescope or spotting scope