Features:
1. Fully coated achromatic objective lens is mounted in an anodized aluminum body.
2. The diopter is adjustable and the focal distance can be also changed by twisting the telescope collar.
3. The aid can be fixed on the frame by the screws.
Specifications:
1. Magnification: 2.5X
2. Lens diameter: 25mm
3. Lens system: achromatic
