Len kính lồi phẳng
- Mã sản phẩm: 3-6967-20
- Quy cách (Đóng gói): 1 piece
- Giá nhà sản xuất: 2,185,000 ¥
Đặc tính và thông số kỹ thuật
Outer diameter (φmm): 20
Focus distance (mm): 50
Bag focus (mm): 46.7
Medium thickness (mm): 4.5
Koba meat (mm): 2.3
Material: Synthetic quartz
Design wavelength: 587.6nm
Refractive index: 1.45850/nd
Chamfer (45°): 0.2 – 0.5mm
Tolerance range
▼Outer diameter: φ+0/-0.1mm
▼Center thickness: ±0.2mm
▼Focal length: ±2％
▼Surface quality: MIL60-40
▼Eccentricity: within 3 minutes (3′)
*When use as a collimator lens, Use it in the opposite direction.
