Telescope Objective Lens, 42mm Focal Length 50mm Convex Lens Coated K9 Optical Glass Optics Biconvex Double Magnifier Telescope Projector Lenses,Parts
Product Description
Telescope Objective Lens, 42mm Focal Length 50mm Convex Lens Coated K9 Optical Glass Optics Biconvex Double Magnifier Telescope Projector Lenses,Parts
- Planetary Viewing Objective
- Deep Sky Observation Lens
- Moon & Planet Objective
- Astrophotography Objective Lens
- Telescope Upgrade Lens
- DIY Telescope Objective
- This 42mm diameter biconvex lens with 50mm focal length is made of coated K9 optical glass, suitable for magnifiers, telescopes and projectors.
- K9 optical glass ensures high light transmittance, low dispersion and clear, stable imaging for various optical devices.
- Multi-layer coating reduces surface reflection and stray light, improving brightness and contrast in observation and projection.
- Standard biconvex design offers excellent light-gathering ability, perfect for magnification, focusing and optical DIY projects.
Technical Specifications
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