5 months search for original filters. After a 5 month search, finally found a single filter to fit 34.5 thread of my Nikkor 28 LTM. The search continues to find more Matching
EXC5 Canon 50mm F1.8 Lens For LEICA Screw Mount LTM L39 W/ Cap,Filter From JAPAN | eBay
LENZ LTM50100 Filter Replacement | Fluitek Part FLK22-00131
【MINT w/ Filter】 Canon 35mm f2.8 LTM L39 Leica Screw Mount Lens From JAPAN #1344 | eBay
Fluitek TMS1560 Filter Replacement | Fluitek Part
Fluitek TMS50100R5 Filter Replacement | Fluitek Part