Here is the rewritten and improved English version of your content, with additional details added to reach over 500 characters and make it more natural and human-like: --- **Product Specifications:** - **Model No.:** NK-07 - **Shape:** Triangular Prism - **Principle:** Optics - **Optical Principle:** Biological - **Eyepiece:** WF10X (Optional: WF16X) - **Objective Lenses:** 4X, 10X, 40X (Spring-loaded), 100X (Oil immersion) - **Stage:** Plain stage with slide clips (90x90mm) - **Trademark:** AMZ - **Origin:** China - **HS Code:** 9011100000 This student microscope is designed for educational use, offering a clear and stable optical system ideal for biology labs. It features an achromatic objective lens set, providing high-quality images at various magnifications. The monocular head is angled at 38 degrees for comfortable viewing. The stage includes clips to secure slides securely during observation. The microscope also comes with a single-lens condenser (N.A. 0.65) and a six-stop dial diaphragm for optimal lighting control. The coarse focusing mechanism allows smooth adjustment with an 8mm travel range. A concave reflector (Ø42mm) ensures even illumination, making it suitable for both classroom and home use. It’s a reliable and affordable option for students and educators looking for a basic yet functional biological microscope. --- Let me know if you'd like this formatted as a product listing or for a website!

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