Steve Spencer
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ChrisMak wrote:
I guess that if Sony has no interest in competing in the future long lens arena, they could still change their mind and course and you might see some intersting long lenses from Sony in future.
But if Sony simply lacks the technology, and has invested nothing in R&D on PF or DO technology, then these lenses are not going to happen with Sony period, and Nikon and Canon will have that segment all to themselves.
Body wise, I have zero interest in anything besides the A1, but the size, weight and price differences between lenses like the Nikon 500PF and 800PF, and the Sony 600GM are not trivial, so I remain unsure whether a 600GM at this stage is a wise investment, even if I decide I am willing to spend that much on a single lens. The 500PF was so much more fun to shoot than the Sigma 500S, even if I liked the f4 aperture, that really made a big impression. The 600GM still needs a 1.4TC to get to 800mm, at which stage it is much bigger and considerably heavier than the Nikon 800PF, and twice the price.
The thing is, when the 500PF came and appeared as good as it was, nobody bought a Nikon 500mm f4E any longer, they were even selling them. I am sure that if Sony came out with a high quality 500 or 600mm lens with diffractive optics at around 5000-6000,- and at much smaller size and weight, Sony shooters would be all over it, and wonder how they ever got along without it. But since Sony does not make these lenses, and are not showing the faintest sign that they are ever planning to make them, the attitude amongst Sony shooters will predominantly and inevitably be, that these are unneccessary or superfluous lenses, and Sony has all you will ever need in all focal lengths. Such is the psychology of man....Show more →
In my view Sony could build some cheaper, but still excellent long primes even without PF/DO technology. This 400 f/4.5 from Nikon is not a PF lens and yet is relatively small (rumored to be 230mm long with a 95mm filter) and light (rumored to be 1250g). Sony could certainly build a lens like this with their current technology. Perhaps a better route, however, would be lower priced 500 f/4.5 (either with or without PF/DO technology). This would be a lighter, smaller and considerably more capable lens than the 200-600. Something like that for $5,000 or so could keep Sony quite competitive. Then if they built a 300 f/2.8 or if they are creative a 250 f/2.4 even without PF/DO technology and kept it small and light as they could for a reasonable price. Sony becomes quite competitive with Nikon and Canon. Without any new lenses, they just leave too big of a gap between the 400 and 600 GM lenses and the 100-400 GM and 200-600 G. I am not going to rashly change from Sony, but at the same time I won't stick with them if I only have the current choice. Personally, I will wait at least 2 years and see what Sony does, but if they have gone what will be 5 years by then without addressing this gap, I will probably go with a different system.
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