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Important parameters -
after-sale service
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Lens positioning: 135mm full frame lens Lens usage: Ultralong focal lens Lens structure: 14 groups of 20 pieces Lens mount: Canon RF bayonet Nearest focusing distance: 0.9m Focus mode: No data temporarily Maximum aperture: F4.5 Minimum aperture: F32-54
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Warranty policy: National joint insurance, enjoying three guarantees service; The warranty period is 1 year