Material: Bk7 qyartz sf2 Angle: 1-5 arc sec Surface quality: 20-10 Fring: Wavelength/8 Bevel: 0. 2x45 degree[...]

Jo-37200425 Dia:42.5 Black/White M37 2.0X AF Digital Telephoto Lens Jo-43200590 Dia:59.0 Black/White M43 2.0X AF Digital Telephoto Lens Jo-52200590 Dia:59.0 Black/White M52 2.0X AF Digital Telephoto Lens Jo-58200590 Dia:59.0 Black/White M58 2.0X AF Digital Telephoto Lens Jo-43200650 Dia:65.0 Black/White M43 2.0X AF Digital Telephoto Lens Jo-52200650 Dia:65.0 Black/White M52 2.0X AF Digital Telephoto Lens Jo58200650 Dia:65.0 Black/White M58 2.0X AF Digital Telephoto Lens[...]

Material:Filter Glass,BK7Dimension: 4mm～160mm+0.00/-0.20mmSquares/Rectangles:1mm～165mmThickness:0.5mm～4mm±0.01mmParalism: ≤3 Arc minutesEdges:Fine groundFlatness up to 1/10LambdaSurface quantity: 80/50-20/10[...]

Jo-37050425M Dia:42.5 Black/White M37 0.5X AF Digital Wide Angle Lens With Macro Jo-37050425 Dia:42.5 Black/White M37 0.5X AF Digital Wide Angle Lens Jo-43065540M Dia:54.0 Black/White M43 0.65X Digital Wide Angle Lens With Macro Jo-43065540 Dia:54.0 Black/White M43 0.65X Digital Wide Angle Lens Jo-43050590M Dia:59.0 Black/White M43 0.5X AF Digital Wide Angle Lens With Macro Jo-43050590 Dia:59.0 Black/White M43 0.5X AF Digital Wide Angle Lens Jo-52050590M Dia:59.0 Black/White M52 0.5X AF[...]

* material: Bk7 glass&ZF2(or ZF4) * EFL: (+2%/-2%) * Dia: +0, -0. 18 * center thickness tolerance: (+0. 25mm/-0. 25) * Surface quality: 60-40 stratch/dig * surface precision: 5/2×wavelengh/2@546. 1nm * centration: 2 arc min * Designwave-length: 486. 1mm, 587. 6mm, 656. 3mm[...]