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Specifications
- Description: Achromatic Hand Figured Lens in Push-Pull style cell
- Lens Diameter: 234mm
- Clear Aperture: 228mm
- Number of Elements: 2
- Focal Length: 1800mm
- Focal Ratio: f/7.7
- Type of Coating: Broadband Multilayer Film (Yellow)
- Fully Multi-Coated: Yes
- Average Strehl Ratio: 0.88
- Weight (Incl. Cell): 5.4 kg (11.88 lbs)
- Cell OD: ---
- Hand Figured: Yes