Objective Lens， Cemented Doublet Convex Lens Diameter 51.5mm for Student Physics Experiments Telescope Eyepiece Custom Processing Available,for Doublet Convex Lens

=========High-concerned chemical : None

• Made optical glass with precision polishing, ensuring stable performance and long service life.
• 51.5mm diameter cemented doublet convex lens, specially designed for student physics optical experiments and telescope eyepiece assembly.
• Achromatic cemented structure effectively corrects chromatic aberration, delivering clear and stable imaging for optical learning and observation.
• Made optical glass with fine polishing, ensuring high light transmittance, low distortion and reliable optical performance.
• Standard dimension for easy installation, widely used in optical teaching, laboratory research and DIY telescope making.
• Custom processing service is available to support personalized size, focal length and optical parameter requirements.