Studio : XPRO Publisher : XPRO Binding : Electronics Product Description feature 1 one group two lens achromatic structure:? perfectly eliminate first level chromatic aberration, obtain high quality images. 2 professional design: subject to various types of lens optical features to use the optimized designs, Properly shrink the aperture to get excellent resolution. 3? Unique patent right reserved Lens: distinctive patent design A.C .T complementary color multi-layers broadband coating film, light transmission rate of up to 99.8%. 4? patent design of light absorption coating surface:? our own patent of world leading technology of ultra-black light absorption coating, absorb almost all of the stray lights, ensure the whole image clear and high color sharpness . 5 exquisite craft: maintain same quality level with luxurious lens. suitable camera lens:? the focal length of this model close-up lens filter is 280mm, diopter 3.6D, fit for camera lens diameter 62mm or 67mm,sugguested lens : max focal length < 200mm, such as EF70-200 F4 etc. lens focal length scope : Less than or equal to 280mm(the distance between lens to objects) tech data: model number : SUPER Ⅲ F280 67mm color: black material: optical lens, aluminum alloy gross weight: 242g size: 101*101*50 mm 0
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