Framing protects a photograph and can improve the presentation of your photograph. It is important to note that while there are a wide variety of materials used today with many excellent options, the type of glazing used can dramatically affect the production cost of a frame. In choosing the best glazing for your work, you should not only consider the expense, but also the conditions under which it will be viewed. The lowest estimates may use the cheapest materials, while the most expensive options may not be necessary for your purposes.
Here is an excellent article on glazing options:
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