Tyvärr har den här beskrivningen ännu inte översatts till svenska, så du hittar en engelsk artikelbeskrivning här.
CLear Focusing filter for Canon EOS (M48)
- The Ultimate protection for your DSLR
Transparent glass with double-side polished. Its high transmittance at visible light(420-680mm ),reaches more than 98.5%. This filter have no effect on blocking lights, and no blocking at infrared band. Clear Focusing filter is mainly used for focusing in narrow-band astronomical photography.CLear Focusing filters also could be used for DSLR reassembling. Allow full wavelength high transmit, increase the camera's sensitive and efficiency, also it has an effect of dust-proof fuction.
