Fotodiox B50 Front Lens Cap for Hasselblad C, C T Lenses, 100mm f3.5, 105mm f4.3, 120mm f5.6, 135mm f5.6, 150mm f4, 250mm f5.6 C, C T Style: Bay 50 (B50) Front Cap for Hasselblad Lenses Premium Grade High Impact Plastic material 24 Months Warranty