Telephoto Lens ‘That Has Never Existed Before’?

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Are there any lens optic inovations on the horizon? We would all like smaller, stronger, large aperture, cheaper, and sharper telephotos.
Hmmm,
Vinny :unsure:
Aluminum oxynitride is one possibility for high refraction optical elements. This is assuming Sigma engineers have conquered the production challenges.
Some years after the excellent 500 f4 Sport, Sigma have just released their lighter 500 prime (no PF elements however), which is well received.
I agree with @Steve a telephoto zoom with TC will be interesting

 
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I would settle for a high quality 600mm f5.6, a lens I have wanted for ages, but nobody makes. Non-PF and non-f6.3
But if they are at it anyway, then why not a high quality (non-consumer level) 300-600mm f5.6? That would be even better.
 
I would settle for a high quality 600mm f5.6, a lens I have wanted for ages, but nobody makes. Non-PF and non-f6.3...
f6.3 is only one third of a stop "slower" than f5.6 . As an owner of the stellar 600PF I can assure you that third of a stop makes little difference and there are no issues with it being a PF lens. Also, Sigma makes a mirrorless 500 f5.6 (though sadly not in Nikon Z mount).
 
The new lens prognosticators are having a bunch of fun with this one. I personally like @bleirer ’s thought that it’s fabricated from 6pack plastic..😅 Now there’s a man with imagination….. However…Long ago and far removed from many forum member’s memory was the wildly anticipated and hyped lens from Nikkor…….
Meet the first ever zoom telephoto lens…. The cutting edge 43-86mm 70’s dud! Yup, still got it…..A reminder not to get too excited about rumors…
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…Long ago and far removed from many forum member’s memory was the wildly anticipated and hyped lens from Nikkor…….
Meet the first ever zoom telephoto lens…. The cutting edge 43-86mm 70’s dud! Yup, still got it…..A reminder not to get too excited about rumors…
View attachment 102556

The 43-86 f/3.5 first appeared in 1963 as a fixed (non-interchangeable) lens on the Mamiya-built Nikkorex Zoom 35.

 
I think that would have been the case 10 years ago, but lenses are getting lighter all the time. As for bulk, it can't beat physics, but it would still be a bit smaller than a 600 F/4. But man, talk about versatile!
Lenses may be getting lighter but we are getting older, It is a race to the bottom :ROFLMAO:

500 F/4 will require large elements. F/4.5 or F/5 would be much more reasonable in size
 
Lenses may be getting lighter but we are getting older, It is a race to the bottom :ROFLMAO:

500 F/4 will require large elements. F/4.5 or F/5 would be much more reasonable in size
It would, but it shouldn't be any larger than a 500 F/4. It would have more elements, but I'd bet it could be done in a way that kept it somewhat reasonable in weight. Lenses have gotten lighter over the years. I'd guess a modern 500 F/4 would weight just under 5 pounds based on how much trimming the 600 and 400 have seen. Granted, a zoom would be heavier, but still, I think manageable.
 
I wonder if it might be a 300 f2 or 100-300 f2 zoom or something like that. I know Nikon made a 300mm f2 way back in 1981, but it was MF only. It also had it's own 1.4x TC that came with it. Today, with the modern materials etc, they could make one for reasonably lighter weight than the originals hefty 16lbs or 7.3kg. The announcement stated for sports and wildlife and thus signifies to me not a necessarily long lens as you rarely would use past 400mm for sports. A 300mm f2 lens requires a front element of 150mm, the same as a 600 f4 of 400 f2.8 and thus would be a similar weight and diameter to those iterations. The 400 f2.8 and 600 f4 are now about the 2.8-3.3kg mark and the 300 f2 would probably be similar.

Just a thought.
 
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