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FR Eye Cup Eyecup SLR DSLR Camera Eyepiece Viewfinder Replacement for Pentax EP-FR K-70 K-7 K-S2 K-S1 K5II K30 K50 - AliExpress
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Since the Pentax K-30 and K-50 are basically the same, why are the low-light test images more grainy for the K-50 on photoreview.com? - Quora
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