I have been using 2 nos Pentax F Remotes with my K20D, K-5 & K-5 IIs w/o any difficulty - purchased for a few dollars when Wolf Camera was closing down in 2009. They are still working well w/o a battery change.
The one shown here: http://www.amazon.com/Micnova-MQ-RC3-Universal-Wireless-Infrared/dp/B008UJL1C4/ is actually a common Chinese generic available on Evil Bay for as little as $ 2 or 3 with shipping, so please do not spend $ 16 for the one shown in the link above. The eBay seller for my $ 2.29 generic Remote with shipping was "buyhere99 (2459)" - see link attached:- https://www.dropbox.com/sh/j8plmkcvvczjlrw/AACY93S9P670nuZG1XGySIcBa?dl=0 Regards. Bipin -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

