I have noticed a "warmer" color of lens coating on these later DR's, but am not sure if it extends to ALL of this variety.

我注意到晚期的DR镜的镀膜颜色较“暖”，但我不能确认它们是否都是这样。

youdao

When you want to capture a scene with a large contrast range, stray light or flare is your enemy. The quality of the lens coating is therefore very important.

试图记录大对比场景时，散射光和眩光会成为你的敌人，因此镜头镀膜的品质尤为关键。

youdao

It makes use of peculiar UV coating way to ensconce the color inside the lens.

它是利用UV特殊涂料方式将镜片的颜色藏在镜片里面的方式生产的。

youdao

While its optical design is carried over from the previous-generation model, the new-generation lens features Sony's proprietary Nano AR Coating on optical surfaces.

ENGADGET: Sony NEX-3N and Alpha A58 unveiled, heading to Europe this spring

With the addition of a reinforced, glass lens cover, the EX-G1 is tooled with a multi coating that is water-repellent and prevents light reflection from ruining pictures.

ENGADGET: Casio trots out world's slimmest shock-resistant digicam: EX-G1 (video)

Additionally, to thoroughly eliminate ghosting and lens flares, reflectivity was kept to half of the previous value at a wavelength of 450 to 650 nm, thanks to the lens surface treated with the Olympus-original ZERO (ZUIKO Extra-low Reflection Optical) coating.

ENGADGET: Olympus unveils Stylus XZ-10 with f/1.8-2.7 zoom, smartphone sharing app