Replacing Glass Elements

Motion picture lenses are fine tuned image making machines. The quality of the images they produce is directly related to the quality of the glass combined to create a lens. Cinema lenses must be maintained to the highest degree to ensure optimal performance. Obviously the most susceptible and delicate parts are the front and rear element of the lens (the exposed glass at the front and back of the lens). When accidents happen, it's usually fairly simple to replace just the front element of a lens. A lot of folks ask if the glass can just be polished since most accidents are simply micro scratches that don't go any deeper than the anti-reflective coating. Yes, this is possible, but it's not usually a great idea. It's sort of a last resort. Polishing and re-coating a lens element can be risky. If the polishing isn't done perfectly, the curve of the element can change and alter the light path of the lens. Anti-reflective coatings are applied in a vacuum chamber with very special equipment. Every lens manufacturer has their own process and it can vary quite a bit between companies. So re-coating a lens is never going to yield the same results unless it's re-coated by the manufacturer which is usually more expensive than buying a new element. Hence, replacing glass to maintain a perfect image is common in the motion picture industry. Think of it like car tires. You could save a few bucks and re-tread your old tires or you can buy new tires when you need them. Which one sounds safer?


Duclos Lenses takes great pride in their product designs, almost all of which are designed in-house. Manufacturing takes place either in-house, or in the hands of our trusted specialists including a range of professionals in the field of opto-mechanical manufacturing and aerospace fabrication. Products that bear our name represent the highest quality in the motion picture lens industry.



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Duclos Lenses sets itself apart from the competition by actually knowing and understanding the products that we sell. We genuinely want all of our customers to receive the absolute best products possible. It's because of this that we offer two years of free basic maintenance with every new lens purchased from Duclos Lenses. Click here for more information.



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Duclos Lenses is committed to providing the best possible products to our customers. Unlike the competition, our technicians have the knowledge and tools to check every single lens that we offer. This happens once when new products arrive from the manufacture and once again before they ship out. This ensures that our customers are only receiving the best of the best. Yet another reason Duclos Lenses is the premier destination for motion picture lenses.