The Nikon Fieldscope Eyepiece Wide DS offers a maximum magnification of 40x, making it ideal for observing distant objects with clarity and precision. With a wide range of magnifications available, from 40x to 75x, this eyepiece is perfect for a variety of outdoor activities such as birdwatching, hunting, or stargazing. Designed by the reputable brand Nikon, you can trust in the quality and performance of this binocular accessory.