Feature: 1. Used for microscopes which use the CX photo port including some stereo microscopes and newer T490 series microscopes. 2. With exquisite workmanship, stable and reliable performance, easy to observe the internal structure of small objects. 3. This adapter allows the use of cameras with large image sensors (2/3in to 1in class), Practical microscope adapter. 4. The C mount installation method is adopted, and the installation and replacement method is simple. 5. Selected high quality alloy + optical glass materials, with good durability and stability, lightweight and compact. Specification: Item Type: Microscope Adapter Material: Alloy + Optical Glass Color: As shown in the picture Application: For microscopes which use the CX photo port including some stereo microscopes and newer T490 series microscopes. Camera Sensor Compatibility: 2/3in to 1in Compatibility: SM745T Microscope (not V203 or V331) T490 Camera Mount: C mount Adapter Type: C Mount Adapter Camera Connect Size: Approx.25mm / 0.98in (C Mount) Microscope Connect Size: Approx.38mm / 1.50in . Package List: 1 x Microscope Adapter Note: The lens is fragile, pay attention to bumps!