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Help re DA 16-85 MTF

Started Dec 11, 2014 | Questions thread
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ozdean
ozdean Forum Pro • Posts: 28,665
Help re DA 16-85 MTF

I am trying to get my head around the MTF charts on the Japan Pentax Site, could someone assist re the following:

1 What is Sagittal

2 What is Meridional

3 What is measured on the X axis

Thanks Guys

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 ozdean's gear list:ozdean's gear list
Pentax MX-1 Pentax K-5 IIs Pentax K-3 Mark III Pentax smc DA* 55mm F1.4 SDM Pentax smc DA 15mm F4 ED AL Limited +14 more
ANSWER:
Pentax 16-85mm F3.5-5.6 WR
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