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Increases maximum focal length
Although the maximum focal length is increased, the minimum object distance remains nearly the same, so the magnification ratio during close focusing is enhanced. Both tele converters are carefully designed and constructed to preserve the original superior image quality of the lens. The 2.0x model uses one LD (Low Dispersion) lens element to suppress aberrations. BBAR (Broad-Band Anti-Reflection) coatings are deployed on both models to help minimize ghosting and flare.
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Moisture-Proof and Dust-Resistant Construction
The new teleconverters are ideal for use in outdoor photography when matched with any lens that has a Moisture-Resistant Construction because special seals that are dust-resistant and moisture-proof are used at every joint and seam.
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Sturdy, durable barrel design
The barrel frame of the teleconverters are made of die-cast aluminium, except for some parts of the exterior finish, to maintain extra strength when used with large lenses. The design utilizes a bayonet mount made of brass on the camera side and stainless steel on the lens side to ensure excellent durability even with repeated mountings and detachments.
Model: TC-X20
Magnification* : 2x
Optical Construction : 9 elements in 5 groups
Maximum Diameter: for Canon φ69.8mm
Length** : for Canon, 53.6mm (2.1 in)
Entire Length***: for Canon 66.8mm (2.6 in)
Weight: for Canon 360g (12.7 oz)
Accessories: Mount cap, Rear cap, Lens case
Compatible Mounts : Canon
