Pocketwizard Plus II Transceiver brand_Snap Sights! The Kenko 36mm extension tube

The Kenko 36mm extension tube provides substantial macro function with almost any lens (although it's best with lenses 50mm and up)

5 lens is a short telephoto lens for Pentax K-mount SLR cameras

the super quiet leaf shutter helps minimize camera shake at lower shutter speeds

I'm pretty sure they're not coming apart

Comes with battery

Pocketwizard Plus II Transceiver brand_Snap Sights! The Kenko 36mm extension tubeThe Pocketwizard Plus II Transceiver can be set to send or receive radio signals at distances of up to 488 metres, which is pretty darn far. Slips into a hot shoe for triggering; a receiving unit can be connected to a camera or flash with appropriate cables (sold separately). Note that this item is a single transceiver; you will need at least two of these to trigger a camera or flash as described above.