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How to de-yellow vintage optics
What is yellowing of the lens or a 'warm lens'? Read on to learn about the yellowing and de-yellowing process.
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How much does a lens rehousing cost?
An article to explain how much does a lens rehousing actually costs. What is the process and how is the pricing determined.
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What is a rehoused lens?
If you ever wondered what an actual rehoused lens was, here is an explanation about the benefits and disadvantages of a rehoused lens.
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My lens has fungus and/or haze, what can you do?
Fungus and haze are two phrases that you may encounter when searching for vintage lenses online. What do these terms mean and what can be done to improve or remove it? Read on to find out more.
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What is a cam based focus system?
You'll often come across ‘cam-based’ or ‘helicoid’ focus systems, but what is it? Find out all about these systems in detail.
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