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Nikon releases another inexpensive consumer lens
On 2018-03-25 08:50:33 +0000, RichA said:
Seriously, this lens makes a nod to Canon. The fluorite element. Fluorite is soft, hard to polish and expensive. However, they still have no fluoro-crown (ED glass) hybrid that can yet match its desirable characteristics to make aberration reduced lenses. Canon has used it for decades in high-end lenses. Ken has the review up soo just get them chequebooks ready! https://kenrockwell.com/nikon/180-400mm.htm -- teleportation kills |
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Nikon releases another inexpensive consumer lens
On 2018-03-25 21:19:47 +0000, RichA said:
On Sunday, 25 March 2018 08:13:11 UTC-4, android wrote: On 2018-03-25 08:50:33 +0000, RichA said: Seriously, this lens makes a nod to Canon. The fluorite element. Fluorite is soft, hard to polish and expensive. However, they still have no fluoro-crown (ED glass) hybrid that can yet match its desirable characteristics to make aberration reduced lenses. Canon has used it for decades in high-end lenses. Ken has the review up soo just get them chequebooks ready! https://kenrockwell.com/nikon/180-400mm.htm -- teleportation kills It still uses a huge number of elements which are needed because of the zoom design. A 400mm f/4.0 prime lens could get away with as few as 5 elements and still yield a razor-sharp image across a flat field. Part of the high cost of this one is also that the large front element is the fluorite one (note the flat protection plate placed in front of it to prevent weathering and scratches). No extra filter needed. Nikon pulled out all the stops. Nikon's bleeding: No replacement for the Df or D750, no viable mirrorless and the Sigma super tele killer is a joke. This one gives "them" something to dream about... https://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=978&Camera=453&Sample=0&FLI=6&API= 0&LensComp=1035&CameraComp=614&SampleComp=0&FLICom p=3&APIComp=0 http://tinyurl.com/yb3wnmry -- teleportation kills |
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