Lee 100mm Filter Holder Kit lens mount_M42 A compact little prime lens

A compact little prime lens

it might actually be a good idea

which is visible in the viewfinder but does not affect function

front and rear caps

but an old guy at Canon told us about what happened the last time someone put a Nikon in one of these and let's just say it's best if it never happened again

Lee 100mm Filter Holder Kit lens mount_M42 A compact little prime lensThis Lee filter holder kit includes two standard 3 slot filter holders, lens adapters for 58mm and 77mm threads, and rotating coupler so you can stack the holders together. Use them together or apart it's all modular. In excellent condition. Filters sold separately.