Accessories by Pentax Sorted by Price

Less than $200	D-BH109 AA Battery Holder for K-30 $26.99 O-ME53 Magnifying Eyecup $35.00 Cable Switch CS-205 $49.00 Adapter Q for K Mount Lens $199.00
$300 to $400	1.4x HD DA AF Rear Converter AW $396.95