This product has two parts: Rear Lens Cover & Camera body cap Camera body cap is used when storing your camera body or after the lens has been removed from your camera body. It helps to keep dust from your camera mechanism, especially to reduce the dirt on CCD/CMOS. Another part-rear lens cap is used to store your lens solely after the lens is removed from your camera. This set of body cap and rear cap are made of hard plastic material. To replace original cap 14025 & 16064 & 14028 Suitable for for T/L system Lenses and Lens Adapters for following cameras: LE1CA for T TL TL2 CL SL SL2, PANAS0NIC DC-S1 S1M S1R S1RM S1H, for FP For specified lenses: LE1CA APO-SUMMICRON-SL 35 f/2 ASPH. SUMMILUX-SL 50 f/1.4 ASPH. APO-SUMMICRON-SL 50 f/2 ASPH. APO-SUMMICRON-SL 75 f/2 ASPH. APO-SUMMICRON-SL 90 f/2 ASPH. SUPER-VARIO-ELMAR-SL 1635 f/3.54.5 ASPH. VARIO-ELMARIT-SL 2490 f/2.84 ASPH. APO VARIO-ELMARIT-SL 90280 f/2.84 Elmarit-TL 18 f/2.8 ASPH. Summicron-TL 23 f/2 ASPH. Summilux-TL35 f/1.4 ASPH. APO-Macro-Elmarit-TL 60 f/2.8 ASPH. Super-Vario-Elmar-TL 1123 f/3.54.5 ASPH. Vario-Elmar-TL 1856 f/3.55.6 ASPH. APO-Vario-Elmar-TL 55135 f/3.54.5 ASPH. PANAS0NIC LU-MIX S 24-105mm F/4 Macro OIS (S-R25105) LU-MIX S PRO 50mm f/1.4 (S-X50) LU-MIX S PRO 70-200mm f/4 OIS (S-R70200) for 35mm F1.4 for DG HSM | Art (L mount) for 135mm F1.8 for DG HSM | Art (L mount), etc. The back mount of Mount Adapter: M-Adapter L and R-Adapter L, etc. Note: it is not suitable for LE1CA S/R/for M mount system, not for LE1CAFLEX Film series and PANAS0NIC M43 system 1 X Rear Cap or 1 X Body Cap