Description
Alternate-model 75mm double-concave glass lens at 300mm focal length
Used to compare magnet strengths across the bar-magnet series
suited to transferring crucibles around open-flame chemistry work
6 Place double walled
Body measures 5" in diameter
Plano-Convex Glass Lens, 50mm Diameter, 200mm Focal Length Features_Handle & Spout Alternate-model 75mm double-concave glass lensLong focal plano convex glass lens at 50mm diameter and 200mm focal length, the f 4 geometry projecting collimated and well formed real images onto distant screens.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
