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02-21-2014, 12:15 AM   #16

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QuoteOriginally posted by pentaxman Quote
The Takumar 135 F2.5 is a non-SMC lens and it is only 4 elements in 4 groups. It is a mediocre lens at best. I would not pay $50 for one.

Comparing the two is like comparing a Fiat to a Ferrari.
Seriously? which would be a better 135mm for $50?

I think it's pretty good lens for $50, especially compared to most non-Pentax equivalent. Agreed that the SMC K135 is a better lens but Tak Bayonet is not a bad lens for the price. Here are two pictures with my copy (taken with speedbooster adapter on NEX).

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02-21-2014, 03:19 AM   #17
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QuoteOriginally posted by Eder Quote
does anyone knows if filter is special or is normal. Cuz i read on a page that filter is non-rotating for this lens, is this true or not
Pentax SMC-D FA 100mm f/2.8 macro - Review / Test Report

Can i use a std 49mm fitler or must be non rotating?
It means that the filter will not rotate while you're focusing. So e.g. polarisation of a polarising filter does not change during focusing.

It's a plus and you don't have to worry, you can use any (49mm) filter.

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