About this product
Model: borg_2555
Part Number: borg_2555
Borg Fluorite Objective Assembly (Black).
Specifications:
- Focal length: 250mm (fluorite)
- Native f/ratio: 4.5
- Length: 95mm
- Weight: 205g
- Interface (rear): M57/P0.75
- Interface (front): 58mm filter thread in front of hood
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