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Visionary technology makes adifference you can see...
Tokina's proprietary AT-X lens technology has evolved toward optical perfection for nearly 20
years now. Time has served us well - we have made continuous improvements and each new model is a further
refinement of previous excellence in design and materials. The current PRO series, recognizable
by their distinctive Gold rings, continues this evolution of using the most up-to-date technology anywhere.
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More Quality Than Meets The Eye...
The Tokina Difference comes from special material selection and
assembly technology with micron-unit quality control. This ensures optimum consistency
while maintaining top quality for each and every lens. That's why both Professionals
and knowledgeable amateurs rely on Tokina lenses.
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Operation...
1. Use of our special alloy Duralumin for metal parts provides excellent durability, stabilizes torque
and provides better handling. It also maintains smoother operation under all conditions.
2. Our special lubricant is used on moving parts, formulated to perform even under extremes of
temperature.
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Lens Coatings...
Resistance to flare and ghosting, plus faithful color reproduction are all achieved by a unique
coating technique - yet another reason for Tokina's reputation for incredibly - sharp and clean images.
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AT-X Technology...
The term AT-X comes from our original term - "Advanced Technology-Xtra". This
signifies a special group of lenses that are manufactured without compromise,
using the most advanced design and fabrication technologies available. The use of a unique
and unprecedented optical configuration system, indepen - dently developed by Tokina, has made advanced features, high performance, light weight and compact designs possible.
Of course, we have also given full consideration to ergonomics and handling. To any user, AT-X
means excellent performance from superior technology.
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Mechanisms...
1. All metallic moving parts are coated with a special
lubricant to improve durability.
2. Tokina's independently - developed technology maintains the high precision of
mechanical fittings, accurately measured in microns.
3. Micron tolerances also give smooth operation and durability to operating rollers and
internal focus cams.
4. Brass is used in the lens mount to maintain high precision. Other mechanisms are plated with
hard chrome for optimum durability.
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Exterior Finish...
1. PRO models have hardened Alumite (Armalite) finish to increase durability and give a
top-quality feel and finish.
2. Ergonomic designs empha - size control, grip and ease of operation with textured rubber used on zoom and
focus barrels. These are original Tokina materials, designed to give many years of faithful service
without deterioration.
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