The Chroma Optimiser clear ink delivers even glossiness, expands colour gamut and makes black colours deeper. This clear ink is applied on top of pigmented inks for a smoother finish. Printing with Chroma Optimiser reduces the diffuse reflection of light, in turn producing original colours on prints. Achieve uniform gloss on the surface when printing on glossy or semi-gloss paper for a more even and smoother finish, with controlled unevenness in gloss. Blacks will appear more vivid and there will be less bronzing. Prints up to 272 photos on 4x6 photo paper, or up to 97 photos when using A3 paper. Benefits Chroma Optimiser absorbs adverse light reflection and controls reflection Achieve uniform surface glossiness with Chroma Optimiser Printing with Chroma Optimiser enables truer print colour Prints up to 272 on 4x6 photo paper or 97 photos on A3 The LUCIA PRO inks offer accurate colour reproduction and enhanced print longevity. Prints can last approximately 200 years in a photo album, 80 years on display behind glass and 50 years without the glass Genuine Canon Ink provides consistent and reliable performance Return every ink and toner cartridge to be reused or recycled. It\'s free, easy and environmentally friendly What\'s in the box Canon PFI-300CO Chroma Optimiser Ink Cartridge, 14.4 ml Compatibility imagePROGRAF PRO-300 A3+ Printer Specifications Recycling program Genuine ink LUCIA PRO ink See all specifications