



Round Biconvex Lenses, Unmounted Diverging Lens Teaching Range
From AUD 3.50 (Ex GST)
From AUD 3.50 (Ex GST)
- Round unmounted biconvex lenses for optics experiments, supports converging lens behaviour demonstrations and refraction practical activities
- All lenses listed 50 mm diameter, consistent size for use in standard lens holders and basic optical bench setups
- Multiple focal length options listed from 5 cm to 100 cm, supports staged teaching from strong focusing to long focal length imaging setups
- Suitable for image formation experiments using screens, ray tracing and focal length measurement tasks, select focal length to suit bench length and desired magnification
- Store lenses to protect optical surfaces, handle by the edge where possible and keep focal length labelled for fast classroom setup and repeatable results
- Description
Description
Round unmounted biconvex lenses with 50 mm diameter for optics experiments and demonstrations. Multiple focal length options are listed to support converging lens behaviour studies, image formation concepts and refraction practicals.
Round Biconvex Lens 50 mm Diameter, 5 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 5 cm.
Round Biconvex Lens 50 mm Diameter, 10 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 10 cm.
Round Biconvex Lens 50 mm Diameter, 15 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 15 cm.
Round Biconvex Lens 50 mm Diameter, 20 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 20 cm.
Round Biconvex Lens 50 mm Diameter, 25 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 25 cm.
Round Biconvex Lens 50 mm Diameter, 30 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 30 cm.
Round Biconvex Lens 50 mm Diameter, 50 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 50 cm.
Round Biconvex Lens 50 mm Diameter, 100 cm Focal Length, Unmounted
Round biconvex lens, unmounted, diameter stated 50 mm, focal length stated 100 cm.
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What Our Customers Say
Emma Roberts
1 year ago
We ordered a set of customised BORO 3.3 borosilicate glassware for our teaching labs, and LabChoice Australia exceeded every expectation. From the first consultation to final delivery, their team listened carefully, offered expert advice, and ensured every piece matched our specifications perfectly.
The clarity and precision of the glassware are exceptional, and the quick turnaround made setup effortless. It’s refreshing to work with an Australian supplier who genuinely understands laboratory needs and takes pride in quality craftsmanship. We’ll definitely be returning to LabChoice for future glassware requirements
Michael Grant
1 year ago
Our lab required high-precision BORO 3.3 glassware for analytical testing, and LabChoice Australia delivered outstanding results. The ordering process was simple, communication was clear, and every beaker and flask arrived perfectly calibrated and ready for use.
The quality of the glass is exceptional — resistant to heat, easy to clean, and consistently accurate in measurement. It’s reassuring to know there’s an Australian supplier that combines scientific precision with genuine customer care. I’d recommend LabChoice to any research team looking for dependable labware
Sarah Nguyen
1 year ago
We needed a set of customised borosilicate glassware for a specialised project, and LabChoice Australia delivered exactly what we envisioned. The team worked closely with us from design to production, ensuring every detail met our specifications. The craftsmanship is exceptional, and the turnaround time was impressive. It’s reassuring to know we can rely on them for unique, made-to-order pieces
Dr. Emily Hart – Senior Research Scientist
1 year ago
LabChoice Australia has completely changed the way we source our lab glassware. The quality is consistently top-notch, and every piece meets the precision we need for reliable results. Their team knows their stuff, answers our questions quickly, and always goes the extra mile to help — they’re more like partners than just a supplier.
Mark Stevens
1 year ago
We trust LabChoice Australia because they deliver every time. Their borosilicate glassware is durable, accurate, and perfect for the high-heat work we do. Everything arrives well-packed with clear specs, so there are never surprises. It’s reassuring to deal with a supplier who understands both compliance and the demands of a busy lab

































