Sea & Sea DX Macro Port Base #30105 and Sea & Sea DX Macro Port 50 #30106 and extra O - Ring set #62101 - 280 $ us
Perfect for the Nikon 105mm macro lens.
Sea & Sea 5 pin sync cable - 50 $ us
Sea & Sea SX Extension Ring #50261 - 85 $ us
Prices are not including postage.
Everything is in very fine condition. No scratches on glass or anything like that.
Let me know if you want more pictures.