K9平凸柱面镜能把一个发光点发的光变成一条线，通过两个平凸透镜彼此垂直或是相交方向放置，就能产生面光，总的焦距就是各焦距的和。.
VILTROX 40mm F2.5 Autofocus Lenses Full Frame for Sony E Mount STM Camera Lenses Standard Camera Lenses Large Aperture Compatible for Sony a7 a7C a7III a7RIII a7RIV a7RV a9 a6100 a6400 a6700(White)
VILTROX 35mm F1.7 APS-C Prime Autofocus Lenses for Nikon Z Mount STM Camera Lenses Standard Camera Lenses Large Aperture Compatible for Nikon Z9 Z8 Z7 Z6 Z5 Z50 Z30 ZFC
VILTROX 13mm F1.4 APS-C Super Wide Angle Autofocus Lenses for Nikon Z Mount Camera Lenses Camera Lenses Large Aperture Wide Angle Lens compatible for Nikon Z9 Z8 Z7 Z6 Z5 Z50 Z30 ZFC
VILTROX 28mm F4.5 XF Autofocus Lenses for Fuji X Mount Camera Lenses Compatible Fujifuilm X-T30 II X-T4 X-T3 X-Pro3 X-Pro2 X-E3 X-E4 X-A10 X-A3 X-A5 X-A7 X-S10 X-T20 X-T3 X-T4 X-T1 X-T20
VILTROX 56mm F1.7 APS-C Autofocus Lenses for Nikon Z Mount Camera Lenses Large Aperture Standard Lens Compatible for Nikon ZFC Z30 Z50 Z5 Z6 Z6II Z7 Z7II Z8 Z9
OURHZTB Replacement Lens Complete Kit for Insta360 X5 Camera Repair Parts Accessories, HD Optical Tempered Glass Lenses with Removal and Cleaning Tools Kit with 2X Replaceable Lenses
