Brand | Svbony | Svbony | Svbony | Svbony |
Focal Length | 6mm | 9mm | 15mm | 20mm |
Barrel Size | 1.25" (31.7mm) | 1.25" (31.7mm) | 1.25" (31.7mm) | 1.25" (31.7mm) |
Apparent Field of View | 68 Degree | 68 Degree | 68 Degree | 68 Degree |
Coating | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated |
Eye Relief | 17mm | 17mm | 17mm | 17mm |
Structure Design | 5-elements in 3 groups | 6-elements in 4 groups | 4-elements in 3 groups | 5-elements in 3 groups |
Lens material | Optical Glass Lenses | Optical Glass Lenses | Optical Glass Lenses | Optical Glass Lenses |
Body Material | Fully Metal | Fully Metal | Fully Metal | Fully Metal |
Filter Threads | Standard 1.25" Filter Thread | Standard 1.25" Filter Thread | Standard 1.25" Filter Thread | Standard 1.25" Filter Thread |
Rubber Eye Guard | Yes | Yes | Yes | Yes |
Net Weight | 133g | 141g | 116g | 126g |