COSINA have been voigtlander Nokton 21mm F1.4 Aspherical VM

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・ As a super wide -angle lens, it is possible to make the depth of the subject shallow by opening the aperture by opening a tremendous large -diameter F1.4.Useful for creative draw ing that makes use of blur.- Focal Distance 21mm caliber ratio 1 -vs 1.4 minimum aperture F16 lens configuration 13 11 groups angle of view 90.3 ° Number of squeezed feathers 12 sheets The shortest shooting distance 0.5m Distance Remodeling range ∞ ~ 0.7m (depending on the camera) Maximum diameter x total length φ69.5 x 69.7mm Filter size φ62mm Weight 480g Lens food Acute hood attached Show more