LM Digital SLR Widefield DSLR/microscope Adapter for NIKON f mount

  

I have been using this for macro photography for the last several years. This allows you to connect your DSLR through the eyepiece of a microscope. LM Digital SLR Widefield Adapter for full frame sensor with special hard anti-reflection coating, plan achromatic optics for 23.2mm eyepiece and 42mm photo tube, inclusive Nikon camera lens mount adapter.