Nikon 85mm f1.4G plastic???

Started May 22, 2012 | Discussions thread
Samuel Dilworth
Regular MemberPosts: 142
Plastic is "good enough"
In reply to gdawghg, May 29, 2012

There is a very good reason to use plastic in a lens, and that is to reduce cost. Other reasons are less convincing. However, you could argue that a modern Nikkor, filled with electronics and Silent Wave Motors and hybrid aspherical elements, is not going to last for decades regardless of whether or not it has a metal exterior – so why incur the additional expense of full-metal construction? Of course, the cost savings go into Nikon's pockets, not yours, which is why these lenses are as expensive as they were in the era of all-metal construction and lower shareholder expectations.

Today it's still possible to buy lenses with very high mechanical qualities from manufacturers as diverse as Leica, Zeiss, Cosina Voigtländer, Schneider-Kreuznach, CoastalOpt and others. But they are typically manual-focus lenses and they might not fit your camera. Progress, eh?

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