Pentax K Mount

, HD Pentax DA 20-40mm F2.8-4 Limited WR on Sony A7R
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, Vivitar 28mm f/2.5 on Sony A7R

Vivitar 28mm f/2.5 on Sony A7R

How does this old Vivitar do on a modern A7R?

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, SMC Pentax K 24mm f/2.8 on A7R

SMC Pentax K 24mm f/2.8 on A7R

How does the Pentax compact wide perform on full frame?

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, SMC Pentax DFA 100mm f/2.8 Macro WR on Sony A7R

SMC Pentax DFA 100mm f/2.8 Macro WR on Sony A7R

This 100mm f/2.8 macro is as small as they come, so how is it as a general purpose lens?

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, SMC Pentax DA* 55mm f/1.4 on Sony A7R

SMC Pentax DA* 55mm f/1.4 on Sony A7R

This classic 55mm f/1.4 lens is supposedly for APS-C, how does it do on full frame?

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, SMC Pentax A 28mm f/2.8 on Sony A7

SMC Pentax A 28mm f/2.8 on Sony A7

How does this classic Pentax wide angle lens hold up on the Sony A7?

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, Vivitar Series 1 – 105mm f/2.5 Macro on Sony A7

Vivitar Series 1 – 105mm f/2.5 Macro on Sony A7

So this lens has a legendary status, is it well deserved?

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, SMC Pentax M 28mm f/3.5 on Sony A7

SMC Pentax M 28mm f/3.5 on Sony A7

Another old wide angle that is about the same size as the OM, is it as good?

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, SMC Pentax K 28mm f/3.5 on NEX 3, Quick Review

SMC Pentax K 28mm f/3.5 on NEX 3, Quick Review

How does this cult classic wide-standard lens perform on modern APS-C Cameras?

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, SMC Pentax A 50mm f/2.8 Macro

SMC Pentax A 50mm f/2.8 Macro

Another old standard focal length macro (short telephoto on APS-C); pretty much every manufacturer had a standard focal length macro in the f/2.8-3.5 range.

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