Check the listing for details. Focusable F mount to C mount microscope adapter compatible for Nikon DSLR Camera. Condition: New. Listed at 158.00 USD. Focus adjustable Microscope Camera adaper M42 nikon F mount to C mount adapter for Nikon DSLR Camera NOTE: This product is only suitable for Regular DSLR cameras it is not compatible with Micro DSLR cameras Nikon F mount to C mount adapter instruction This Adapter is Specially designed for Nikon DSLR camera, so that the DSLR camera can be connected to the trinocular microscope for capture image or recording video This adapter has Fine focus adjust Ring, it can adjust parfocal between microscope eyepiece and Camera This Adapter's Connect size (1).Top Outside Diameter: F mount (fit Nikon DSLR camera) (2).Bottom Inner Thread: C mount (25.4 mm) NOTE: (1) The Microscope should has C mount Adapter. (2) This Adapter only working for Nikon DSLR camera (DSLR=Digital Single Lens Reflex) High quality Optical lens built-in this adapter The Adapter Pictures The Adapter Working Picture This F to C adapter can let Nikon DSLR camera working with Different Trinocular Bilogical Microscope, Stereo Microscope or Monocular lens Note: the Microscope or Lens should has C mount adapter F to C adapter working with Nikon D5200 Camera+Olympus CX31 Microscope The Camera image without Black cornor or distortion F to C adapter working with Nikon D5200 Camera+Lecia Stereo Microscope TheCamera image without Black cornor or distortion F to C adapter working with Nikon D5200 Camera+Monocular lens TheCamera image without Black cornor or distortion NOTE When our this adapter working with Full Frame Camera, there maybe dark conner on the image, because Full frame camera large size sensor, please check follow picture F mount to C mount adapter size The F mount inner thread size: M42x1mm F mount to C mount adapter Packing Warranty: 1 year