It incorporates an aperture ring and boasts as many as 10 lens elements in 9 groups, including a large-diameter aspherical lens, which assure a superb optical performance and F1.4 brightness, while one super ED (extra-low dispersion) lens and three ED lenses reduce color bleeding to an absolute minimum. The Leica D Summilux Lens is an interchangeable bright standard lens, developed by Leica exclusively for digital SLR cameras, and follows the Four Thirds Standard. This means that the lens is also interchangeable with other manufacturers that use this format. L-X025 Features: Lumix 25mm / Full 4/3 DSLR Lens, Leica D Summilux Lens, Lens Construction: 10 Elements in 9 Groups, Maximum Diameter: 77.7mm, 25mm Fixed Focal Length / F1.4 Aperture Ranges, 1 Super ED Lens / 3 ED Lenses, Overall Length: 3.06 Inches, Additional Features: Lens Construction: 10 Elements in 9 Groups (1 Aspherical Lens, 1 Super ED Lens and 3 ED Lenses), Focal Length: f=25mm (35mm Film Camera Equivalent 50mm), Aperture Type: 7 Diaphragm Blades/Iris Diaphragm, Aperture Range: F1.4, Minimum Aperture: F16, Closest Focusing Distance: 0.38m /14.96in, Maximum Magnification: Approx. 0.17 (35mm Film Camera Equivalent), General Features: Diagonal Angle of View: 47°, Filter Size: 62mm, Max. Diameter: 77.7mm/3.06in, Compatibility Olympus EC-14 (Teleconverter): No, Compatibility Olympus EC-25 (Extension Tube): No, Overall Length (inches): 3.06 in, Recommended Humidity: 40 RH to 60 RH, Weight: 0.96, Further Specifications: Standard Accessories: Lens Cap, Lens Hood, Lens Rear Cap, Lens Storage Bag, For Panasonic Models DMC-G10K DMC-G1A DMC-G1K DMC-G1R DMC-G2A DMC-G2K DMC-G3KBODY DMC-G3KK DMC-G3KR DMC-G3KT DMC-G3KW DMC-GF1C-K DMC-GF1K-K DMC-GF2CK DMC-GF2CR DMC-GF2CS DMC-GF2CW DMC-GF2KK DMC-GF2KR DMC-GF2KS DMC-GF2KW DMC-GF3CK DMC-GF3CR DMC-GF3CT DMC-GF3CW DMC-GF3KBODY DMC-GF3KK DMC-GF3KR DMC-GF3KT DMC-GF3KW DMC-GF3XK DMC-GF3XR DMC-GF3XT DMC-GF3XW DMC-GF5KK DMC-GF5KR DMC-GF5KW DMC-GF5XK DMC-GF5XR DMC-GF5XW DMC-GH1K DMC-GH1K-Body-Only DMC-GH2HK DMC-GH2K-BODY-ONLY DMC-GH2KK DMC-GH2KS DMC-GH2S-BODY-ONLY DMC-L10K DMW-LMCH62 DMW-LND62 DMW-LPL62 DMW-MA1"
I got my lens yesterday! I am usually very lazy, but I was so excited about this lens, that i braved a clear windy day in Portland and shot some pictures at night. I am blown away by the performance of this lens. I was able to take night shots like I have never done before. The lens is fast, clear and the autofocus smooth and quick. The aperture ring is a joy to play with (if you have a Panasonic L1 or Leica Digilux 3) and the out of focus blur (bokeh) ..