I have noticed a "warmer" color of lenscoating 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。
2
When you want to capture a scene with a large contrast range, stray light or flare is your enemy. The quality of the lenscoating 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。
3
It makes use of peculiar UV coating way to ensconce the color inside the lens.