1. Model: 2.5x17.5mm.
2. Material: all metal frame, strong and durable, good hand feel.
3. Focusing method: rotate focusing.
4. Mirror information: high quality composite all-achromatic optical lenses.
5. Eyepiece diameter: about 8mm.
6. Objective lens...
- SKU:
- OG5547J
- Variant ID:
- 366787