The LEICA SF 20 at a glance Compact electron flash unit. Performance guide number 20. Exposure can be adjusted in +/- 3 aperture steps. Illumination angle for 35 mm lenses, 24 mm with diffuser screen. Dimensions: Width 109 mm, height 66 mm, depth 40 mm. 連結至原廠 燈光(閃燈)配件 || 燈光(閃燈)電池配件 || 反光板 || 燈泡