Pocketwizard Plus II Transceiver brand_Snap Sights! This is a little Canon-branded

This is a little Canon-branded "Target" magnifier for looking at prints

I'm pretty sure they're not coming apart

it may also accommodate a smaller 4x5 (load capacity is 10lbs)

A compact telephoto zoom lens for Micr Four Thirds with power zoom

Comes with battery

Pocketwizard Plus II Transceiver brand_Snap Sights! This is a little Canon-brandedThe 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.