This CVLIFE 2.5-10x40e Red & Green Illuminated Scope offers a magnification at: 2.5-10X with 40mm objective and a Field of View at 100 yards of 32.5′ @ 2.5x – 8.9′ @10x. Clearer Image and multi-coated green lens boast much higher light transmittance compared with blue lens competitors. This scope is also highly durable and made of high strength aircraft aluminum.