Is the pentax hd da 55 300mm f 4 5 6 3 ed plm wr re worth buying used?

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From Pentax HD DA 55-300mm f/4.5-6.3 ED PLM WR RE: Pentax HD DA 55-300mm f/4.5-6.3 ED PLM WR RE: A zoom lens by Pentax for APS-C cameras, 55-300mm f/4.5-6.3. Specs - Maker: Pentax - Focal length: 55-300mm (zoom) - Maximum aperture: f/4.5-6.3 (it gets darker as you zoom in) - Made for: APS-C sensors - Mounts: Pentax K - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Pentax K): like 82-450mm on full frame; f/4.5-6.3 gives about the depth of field of f/6.8-9.4 there. - ...

From Pentax HD DA 55-300mm f/4-5.8 ED WR: Pentax HD DA 55-300mm f/4-5.8 ED WR: A zoom lens by Pentax for APS-C cameras, 55-300mm f/4-5.8. The older 55-300, replaced by the faster-focusing PLM version.

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