Features 1、The magnification of this auxiliary objective lens is 1.5X, which can effectively expand the field of view. 2、Selected high-quality aluminum alloy and glass materials, durable in ues and long service life. 3、Superb technology, stable and reliable performance, can be widely used in stereo microscopes. 4、Easy to install and use, easy to observe the internal structure of small objects. 5、The installation size is 48mm and the working distance is about 45mm. It is a practical microscope accessory. Specification Condition: 100% Brand New Item Type: Auxiliary Objective Lens Material: Aluminum Alloy+Glass Microscope Auxiliary Objective: 1.5X Working Distance: Approx. 45mm / 1.77in Installation Size: Approx. 48mm / 1.89in Package List 1 x 1.5X Auxiliary Objective Lens