150mm PMMA Fresnel Lens Magnifier, Acrylic Optical Lens, Focal Length 55-200mm for Reading & DIY Projects(150mmx140mm)

High-Clarity PMMA Material – Crafted from optical-grade acrylic with 92% light transmission, delivering sharp, bright magnification for reading, crafting, or inspection tasks. Versatile Focal Length Options – Choose from 55, 70, 80, 90, 100, 120, 140, or 200 mm focal lengths to suit close-up viewing, projection experiments, or solar focusing applications. Thin & Lightweight devise – At just 2 mm thick and ~50 g, this 150 mm round lens is easy to handle, mount, or integrate into frames, holders, or optical rigs without added bulk. Threaded Edge for Secure Mounting – The precision-cut circular edge allows stable fitting into custom housings or stands, reducing optical distortion and keeping the lens firmly in place during use. Multi-Purpose Utility – Ideal for magnifying small text, inspecting fine details, educational science projects, or as a replacement lens in optical devices, compatible with standard 150 mm holders.