Canon PFI-1000 Lucia Pro Series Ink Colour:Photo Grey The RT-1 is an optional

The RT-1 is an optional accessory tripod collar ring designed specifically for the AF-S NIKKOR 70-200mm f/4G ED VR lens

the Speedlite Transmitter ST-E3-RT makes complex lighting setups simple

What's more

And the two-step variable Electronic Zoom mechanism delivers smooth consistent zooming control especially desirable when shooting HD movies

may have interchangeable terms

Canon PFI-1000 Lucia Pro Series Ink Colour:Photo Grey The RT-1 is an optionalLucia Pro ink adopts capsulated pigment particles and a Chroma Optimizer coat. With this evolution, ink can be placed more densely and it brings higher colour gamut by increasing the number of colour droplets on the paper. This dense ink configuration also brings gloss uniformity on coated media for better glossiness and image clarity that achieves anti bronzing.