BK7 window substrates

    BK7-FWD-12.7-6.35

    BK7 window, plano-plano, 12.7mm (+0/-0.25mm) diameter, 6.35mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, better than 10 arc sec…

    £22 Add to cart

    BK7-FWD-25.4-6.35

    BK7 window, plano-plano, 25.4mm (+0/-0.25mm) diameter, 6.35mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, better than 10 arc sec…

    £35 Add to cart

    BK7-FWD-50.8-9.52

    BK7 window, plano-plano, 50.8mm (+0/-0.25mm) diameter, 9.52mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, uncoated

    £75 Add to cart

    BK7-FWD-38.1-9.52

    BK7 window, plano-plano, 38.1mm (+0/-0.25mm) diameter, 9.52mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, better than 10 arc sec…

    £58 Add to cart

    BK7-FWD-76.2-12.7

    BK7 window, plano-plano, 76.2mm (+0/-0.25mm) diameter, 12.7mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, uncoated

    £174 Add to cart

    BK7-FWD-101.6-12.7

    BK7 window, plano-plano, 101.6mm (+0/-0.25mm) diameter, 12.7mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, uncoated

    £228 Add to cart

    BK7-FWD-152.4-25.4

    BK7 window, plano-plano, 152.4mm (+0/-0.25mm) diameter, 25.4mm (+/-0.25mm) thick, lambda/10 transmitted wavefront distortion, 10-5 scratch-dig, uncoated

    £1,044 Add to cart