Laowa 105mm f 2 stf vs pentax hd da 70mm f 2 4 limited?

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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: ...

From Laowa 105mm f/2 STF: Laowa 105mm f/2 STF: A prime lens by Laowa for Full frame cameras, 105mm f/2. A smooth-trans-focus portrait lens with an apodisation filter for soft bokeh. Specs - Maker: Laowa - Focal length: 105mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Sony E, Canon EF, Nikon F, Pentax K - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Canon ...

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