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Forum: Pentax SLR Lens Discussion 03-28-2009, 12:26 PM

DA* 50-135mm vs Tamron 70-200mm Comparison and Shootout
Posted By innovation

Replies: 39
Views: 11,366

50-135 on apsc equals to 76.5-206.55. So you needn't worried about missing the 135-200 range, on the contrary, the 50-70 range is need to consider.
while, 70-200 on apsc is 107.1 to 306. Think about it, if using the 50-135 you will miss the range from 200-300. If using the 70-200, you will miss the range from 70-105. Which one you need to buy, depends on which range you truly need.

Forum: Pentax SLR Lens Discussion 03-28-2009, 11:41 AM

DA 15mm Ltd
Posted By innovation

Replies: 33
Views: 12,697

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