[DETAIL] M48 to M42, M52 to M48, M48 to M48 X 0.75 Thread Objective Metal Zoom Stereo Microscope Screw Adapter Ring Light Cassette Ring Features: 1.This is a ring adapter for SZM and SZ series stereo microscopes 2.It is used for the stereo microscopes to attach a ring light, or change the mounting thread to different size to attach Barlow lens. Specification: Material: aluminum Quantity: 1 piece Suit Microscope: stereo microscope Diameter: Outer 48 Inner 42mm,Outer 48 Inner 48mm,Outer 52 Inner 48mm,Outer 42 Inner 52mm,Outer 48 Inner 52mm. Package: 1pcs Picture show: M48 to M42, M52 to M48, M48 to M48 X 0.75 Thread Objective Metal Zoom Stereo Microscope Screw Adapter Ring Light Cassette Ring Features: 1.This is a ring adapter for SZM and SZ series stereo microscopes 2.It is used for the stereo microscopes to attach a ring light, or change the mounting thread to different size to attach Barlow lens. Specification: Material: aluminum Quantity: 1 piece Suit Microscope: stereo microscope Diameter: Outer 48 Inner 42mm,Outer 48 Inner 48mm,Outer 52 Inner 48mm,Outer 42 Inner 52mm,Outer 48 Inner 52mm. Package: 1pcs M52 to M48, M48 to M48, M48 to M42 X 0.75 Thread Metal Objective Adapter Ring for SZM and SZ Zoom Stereo Microscope [ATTRIBUTES] - Hign-concerned Chemical: None - Magnification: None - Model Number: 52143 - Hign-concerned Chemical: None - Magnification: None - Model Number: 52143 - Product Type: Other - Brand Name: VBNM - Origin: Mainland China - Material: aluminum - Suit Microscope: stereo microscope - Diameter: Outer 48 Inner 42mm,Outer 48 Inner 48mm,Outer 52 Inner 48mm,Outer 42 Inner 52mm,Outer 48 Inner 52mm