The MHL2800 series of biological microscopes are equipped with excellent infinite-field flat-field achromatic objectives and wide-field eyepieces, offering clear imaging and a broad field of view. Designed with ergonomics in mind, they feature a low-positioned focusing knob, an inward-type objective turret, and an integrated handle design, enhancing ease of operation, comfort, spaciousness, and safety in transportation. These products are widely applicable in fields such as biology, medicine, industry, and agriculture, and are ideal for medical, educational, and research institutions.