25mm F1.4 CCTV Lens + C M4/3 Mount E-M1 E-M10 E-P5 E-PL7 GX8H GX8 G7H G7K GF7K Focal Length: 25mm C Mount: 25mm inside C Mount: 57mm outside Aperture: F1.4 - F16 - Close Iris Operation: Manual Focus