Neu gekaufte WarenRestocken

Beschreibung 1、Adjusting Inner Diameter: The inner diameter of this aperture diaphragm is adjusting, which means that the aperture diaphragm can meet different requirements for use.2、Safe and Reliable: The aperture diaphragm is very safe and reliable and will not make people feel uncomfortable, so there is no need to worry when using it.3、Stable Performance: Our aperture diaphragm is very strong and durable, stable performance, can give you a nice experience when you use it.4、Easy to Operate: The aperture diaphragm is very easy to operate, and due to its light weight and compact design, it is also very easy to install and disassemble.5、Applicable Situations: The aperture diaphragm has 18 blades, which is ideal for daily laboratory experiments and other small experiments or for classroom demonstrations.