the highest standards with the SP (Super Performance) lens series. And the new 15-30mm F2.8 full-frame ultra-wide-angle zoom is a worthy addition. This high-performance zoom lens equals the performance of fixed focal length lenses from 15mm to 30mm, an unprecedented achievement...
TIR” stands for Total Internal Reflection. EcoTech has engineered these lenses to capture more of the Radion LED light and direct it into your tank efficiently — making sure the light is going where your aquascape needs it most. Our wide-angle...
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