Pentax hd da 70mm f 2 4 limited vs pentax smc d fa macro 100mm f 2 8 wr?

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From Pentax smc D FA Macro 100mm f/2.8 WR: Pentax smc D FA Macro 100mm f/2.8 WR: A macro lens by Pentax for Full frame cameras, 100mm f/2.8. The earlier weather-sealed 100mm macro, with a different optical design from the HD D FA ED AW version. Specs - Maker: Pentax - Focal length: 100mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Pentax K - Stabilised: no - Autofocus: yes What it frames like - On full frame (Pentax K): as marked, ...

From Pentax HD DA 70mm f/2.4 Limited: Pentax HD DA 70mm f/2.4 Limited: A prime lens by Pentax for APS-C cameras, 70mm f/2.4. Specs - Maker: Pentax - Focal length: 70mm (prime) - Maximum aperture: f/2.4 - Made for: APS-C sensors - Mounts: Pentax K - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Pentax K): like 105mm on full frame; f/2.4 gives about the depth of field of f/3.6 there. - On the larger-sensor bodies of Pentax K: ...

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