https://katalog.interlab.pl/optosigma/produkt/slb-30b-35pm/
Biconvex Lens 30mm Diameter 36.5mm · SLB-30B-35PM | OptoSigma
Biconvex Lens 30mm Diameter 36.5mm Focal Length 400 - 700nm. Nr kat. SLB-30B-35PM. Autoryzowany dystrybutor OptoSigma w Polsce — zapytaj o cenę.
biconvex lensdiameterslb
https://www.optosigma.com/us_en/optics/lenses/spherical-lenses/bi-convex-spherical-lenses/biconvex-lens-25mm-diameter-200-5mm-focal-length-750-1550nm.html
Biconvex Lens 25mm Diameter 200.5mm Focal Length 750 - 1550nm
◦There are two types of biconvex lenses available; BK7 for use in visible range to infrared wavelength range.◦BK7 lenses are also available with three types of...
biconvex lensfocal lengthdiameter
https://canasstech.com/products/pendant-magnifier
Pendant Magnifier 10 Diopter 3.5x Biconvex Lens – Canadian Assistive Technologies Ltd.
Pendant magnifiers are the inconspicuous ideal magnifier for those that need a little extra help throughout the day. Attractive and always at-hand, they...
biconvex lensassistive technologiespendantmagnifierdiopter