These would be perfect for medium to long-range security surveillance, wildlife observation and even birding at longer distances like on the coast where the birds are usually a little further away. Fully Multi-Coated Optics Right Eye Diopter Field of View:235FT/1000YDS BAK7 Prism Material Prism System: Paul Twist-up Eyecups If you're interested, you can click the purchase link below:https://www.apexeloptic.com/product/apexel-10-30x50-binoculars/