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Pentax smc P-A* 200mm f/4 Macro ED Lenses: An Exceptional Tool for Macro Photography What is the Pentax smc P-...

**Pentax smc P-A* 200mm f/2.8 ED Lenses: A Masterpiece of Optics** Introduction The Pentax smc P-A* 200mm f/2....

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**What is the Pentax smc P-A 15mm f/3.5 Lens?** The Pentax smc P-A 15mm f/3.5 Lens is a wide-angle lens design...

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