Why do many Z lenses have concave front elements?

Started 3 months ago | Discussions thread
Boudewijn van der Drift
Boudewijn van der Drift Senior Member • Posts: 1,229
Re: Why do many Z lenses have concave front elements?
1

P.S. I see the 105 mentioned.

That one of course is a macrolens. You don't want circumferal rays to hit the front element too acutely. That would give rise to aberrations.

The lens has to be able to sort of "squint" to see a close subject.

 Boudewijn van der Drift's gear list:Boudewijn van der Drift's gear list
Panasonic Lumix DMC-LX3 Nikon Z7 Nikon Z6 Nikon Z 70-200 F2.8 VR +2 more
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