306 Technical NotesAt the time of writing, the following accessories were availablefor the D3300.Other AccessoriesPowersources• Rechargeable Li-ion Battery EN-EL14a (0 14): AdditionalEN-EL14a batteries are available from local retailers andNikon-authorized service representatives. EN-EL14batteries can also be used.• Battery Charger MH-24 (0 14): Recharge EN-EL14a andEN-EL14 batteries.• Power Connector EP-5A, AC Adapter EH-5b: These accessories canbe used to power the camera for extended periods (EH-5aand EH-5 AC adapters can also be used). A powerconnector EP-5A is required to connect the camera to theEH-5b, EH-5a, or EH-5; see page 311 for details.Filters• Filters intended for special-effects photography mayinterfere with autofocus or the electronic rangefinder.• The D3300 can not be used with linear polarizing filters.Use C-PL or C-PL II circular polarizing filters instead.• NC filters are recommended for protecting the lens.• To prevent ghosting, use of a filter is not recommendedwhen the subject is framed against a bright light, or whena bright light source is in the frame.• Center-weighted metering is recommended with filterswith exposure factors (filter factors) over 1 × (Y44, Y48,Y52, O56, R60, X0, X1, C-PL, ND2S, ND4, ND4S, ND8, ND8S,ND400, A2, A12, B2, B8, B12). See the filter manual fordetails.