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Archive 2025 · Sony 400-800 f/6.3-8 G It's here!!

  
 
jhapeman
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p.5 #1 · Sony 400-800 f/6.3-8 G It's here!!


ChrisMak wrote:
The coming 400-800 is internal zoom and bigger and heavier than the 200-600G. So not aimed at wildlife shooters that like small, portable and still high IQ.
On the other hand, being an upscaled 200-600G, it may offer better IQ than it would have had if the weight and sized would have been brought down by making it a f9 lens at the long end.

https://www.sonyalpharumors.com/first-full-size-images-of-the-new-sony-400-800mm-f-6-3-8-0-lens/


Why would you say that? I would say its 100% targeted a sports and wildlife shooters that want small, portable and high IQ, but want more than 600mm of reach, because the only other option available is going to be huge, heavy and expensive prime with a teleconverter.



Jan 31, 2025 at 10:59 AM
ChrisMak
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p.5 #2 · Sony 400-800 f/6.3-8 G It's here!!


jhapeman wrote:
Why would you say that? I would say its 100% targeted a sports and wildlife shooters that want small, portable and high IQ, but want more than 600mm of reach, because the only other option available is going to be huge, heavy and expensive prime with a teleconverter.


I meant not especially designed for small size and light weight like the Nikon PF lenses or the 300GM.
If 2,5kg like the latest rumor states, then it will still be significantly heavier than the Nikon 800PF, while being quite a bit slower.

Most important though will be the mft at 800mm, I don't believe there has ever been a slow 800mm zoom that peaks at 800mm, so I still feel the real benefit of the 200mm longer reach (than 600mm lenses, e.g. the Nikon 600PF) will only be more than bragging rights if it is strong(est) at 800mm.
I will watch out for the reviews to see what Sony has achieved.



Jan 31, 2025 at 11:51 AM
twodees
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p.5 #3 · Sony 400-800 f/6.3-8 G It's here!!


800PF is just under 2.4kg and I would imagine the Sony to be half the price and shorter (if internal zoom).

I'm not sticking up for the Sony here fwiw and kind of agree on your point about bragging rights

ChrisMak wrote:
If 2,5kg like the latest rumor states, then it will still be significantly heavier than the Nikon 800PF, while being quite a bit slower.





Jan 31, 2025 at 12:01 PM
nmerc_photos
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p.5 #4 · Sony 400-800 f/6.3-8 G It's here!!


Bummer about that lens size and weight. It's definitely a head-scratcher spec for me, and I wonder how it'll do in terms of sales.

I have even less interest in it now than I did initially. I haven't seen anyone ever saying "you know what I want? a slow zoom that's bigger AND heavier than the 200-600!"

Unless the pricing is extremely attractive, I can't imagine a use case or reason to carry a massive 400-800 f8 around.

In order for it to have good IQ and compete with the 600PF/800PF - it's going to need to be expensive. $4000 USD+. If that's the case, it'll be large, heavy, and expensive (relatively).

If it doesn't have IQ that competes with the light-weight primes, it'll aim to compete against the 180-600, 200-600, 200-800. It appears to be larger and heavier than all of those, and slower than most. I think the only appeal would be if it comes in cheaper than all of those lenses - which I don't think will be the case.

Because it is so big and heavy - that limits it a lot as a travel companion. You're looking at something in the category of 800PF/400 f2.8 / 600 f4 size. So you wouldn't be pairing this zoom with any of those lenses. it'd have to be your main lens, with a 100-400 or 70-200 complimenting it.

The only attractive thing this lens might have - is a reduced MFD. but I don't know enough about engineering constraints and how that is determined. the 600PF/800PF for example both have pretty poor MFD which is a limiting factor in many situations.

jhapeman wrote:
Why would you say that? I would say its 100% targeted a sports and wildlife shooters that want small, portable and high IQ, but want more than 600mm of reach, because the only other option available is going to be huge, heavy and expensive prime with a teleconverter.


2.5KG and "small and portable" do not belong in the same sentence IMO. especially if it's longer than the 200-600.

Depending on price - going with a 300GM + 2x and cropping would be a much more sensible option for those types of shooters.

and if you NEED a zoom, you'll still probably be choosing a 100-400 or 200-600 instead.


Edited on Jan 31, 2025 at 12:22 PM · View previous versions



Jan 31, 2025 at 12:19 PM
jhapeman
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p.5 #5 · Sony 400-800 f/6.3-8 G It's here!!


ChrisMak wrote:
I meant not especially designed for small size and light weight like the Nikon PF lenses or the 300GM.
If 2,5kg like the latest rumor states, then it will still be significantly heavier than the Nikon 800PF, while being quite a bit slower.

Most important though will be the mft at 800mm, I don't believe there has ever been a slow 800mm zoom that peaks at 800mm, so I still feel the real benefit of the 200mm longer reach (than 600mm lenses, e.g. the Nikon 600PF) will only be more than bragging rights if it is strong(est) at 800mm.
I will watch out
...Show more

Yeah but it's a zoom, not a fixed prime. You can't compare the 800PF to a zoom, that's ridiculous comparison. And the rumored weigh difference sounds pretty small anyway.

Ultimately yes the sharpness at 800 will matter, but Sony knocked that out of the park with sharpness on the 200-600 at 600mmm and I doubt that they would do any different here.



Jan 31, 2025 at 12:21 PM
nmerc_photos
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p.5 #6 · Sony 400-800 f/6.3-8 G It's here!!


jhapeman wrote:
Yeah but it's a zoom, not a fixed prime. You can't compare the 800PF to a zoom, that's ridiculous comparison. And the rumored weigh difference sounds pretty small anyway.

Ultimately yes the sharpness at 800 will matter, but Sony knocked that out of the park with sharpness on the 200-600 at 600mmm and I doubt that they would do any different here.


if you look around these forums, you'll find zoom vs prime comparisons everywhere it's hardly ridiculous.

the 180-600 vs 600PF is one of the most hotly compared lens situations right now

versatility and lower pricing of a zoom vs size, weight, and IQ of a prime.

the only stretch I see is comparing a new Sony zoom to Nikon primes. If you're someone who is stuck in the Sony ecosystem, the 400-800 may find a place just due to lack of other options.

I suspect anyone with $10K+ lens budget is going to skip the lens and just use 300GM/400GM/600GM

I suspect anyone with $5K+ lens budget is going to skip the lens and just use 300GM + TC's

Depending on if the 400-800 comes in at or below $2500 USD, it may be a consideration against the 100-400 or 200-600.



Jan 31, 2025 at 12:25 PM
MARKFER
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p.5 #7 · Sony 400-800 f/6.3-8 G It's here!!


Wouldn't it make sense to think the 400-800G is gonna slot in at the comparable price point or near of the 100-400. 200-600, not to mention performance at that level? I don't think this is a reactionary lens to compete with Nikon or Canon at that focal length directly. Clearly to some degree there is that need for it, but I suspect it's gonna be a solid offering, not a compromised long shooter.


Jan 31, 2025 at 12:32 PM
jhapeman
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p.5 #8 · Sony 400-800 f/6.3-8 G It's here!!


nmerc_photos wrote:
if you look around these forums, you'll find zoom vs prime comparisons everywhere it's hardly ridiculous.

the 180-600 vs 600PF is one of the most hotly compared lens situations right now

versatility and lower pricing of a zoom vs size, weight, and IQ of a prime.

the only stretch I see is comparing a new Sony zoom to Nikon primes. If you're someone who is stuck in the Sony ecosystem, the 400-800 may find a place just due to lack of other options.

I suspect anyone with $10K+ lens budget is going to skip the lens and just use 300GM/400GM/600GM

I suspect anyone with
...Show more

People will always make comparisons of things that aren't really comparable.

OK, so I was being a bit hyperbolic, but it is a bit foolish to compare them on weight though--there's a difference in the number of elements and working components to make a zoom vs. a prime. At the end of the day every zoom is a compromise of things like weight, f-stop and resolution in order to gain the flexibility of zooming. Nothing comes for free. If you don't need the flexibility of the zoom, then don't buy one, especially if you don't like the trade-offs.

The 180-600 is a different case because it has the same aperture as the 600PF, so it's a more apt comparison, but of course it has more elements and more working components so it weighs more. The optical compromises made also come with a penalty. The benefits there are the ability to zoom and a cheaper price.

Back to my point though that got derailed. It's incorrect to say this is not aimed at wildlife shooters. Some people don't want a fixed prime. It's not just budget or weight. In the Sony line up this absolutely fills a gap. Just because Nikon has decided to make an 800PF doesn't mean that Sony or Canon have to copy that. Clearly they feel they have solutions in this space that work for their customers. Nikon has their own.

Will I buy this? No, I don't like using zooms, for what I am shooting 99% of time I want as much reach as possible. But there will definitely be people who are happy to use this all day long either becuase they love a zoom, or don't have the budget for a prime. For those people this lens will be a great option, just like the 180-600 is for the Nikon crowd.



Jan 31, 2025 at 12:50 PM
Swimming_trouble_718
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p.5 #9 · Sony 400-800 f/6.3-8 G It's here!!


How trustworthy is Sony Alpha rumors with their predictions usually? I’ll be the first to admit that I don’t know the slightest thing about lens design and engineering, but I would find it weird if this lens is bigger and heavier than the nearly 6 year old 200-600mm when Sonys whole thing lately has been making G and G Master lenses lighter and lighter. Maybe there’s an engineering limitation for the 400-800 if it is in fact bigger and heavier? I’m not sure.


Jan 31, 2025 at 12:56 PM
nmerc_photos
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p.5 #10 · Sony 400-800 f/6.3-8 G It's here!!


jhapeman wrote:
People will always make comparisons of things that aren't really comparable.

OK, so I was being a bit hyperbolic, but it is a bit foolish to compare them on weight though--there's a difference in the number of elements and working components to make a zoom vs. a prime. At the end of the day every zoom is a compromise of things like weight, f-stop and resolution in order to gain the flexibility of zooming. Nothing comes for free. If you don't need the flexibility of the zoom, then don't buy one, especially if you don't like the trade-offs.

The 180-600
...Show more

Nobody said this "wasn't aimed at wildlife shooters". That would be a silly thing to say, because obviously it's aimed at wildlife shooters. Who else wants a 6lb telescope to carry around? Portrait shooters? Street photographers?

Chris said it's not "aimed at wildlife shooters that like small, portable, and still high IQ" - which based on everything we know so far - is an absolute truth. This is shaping up to be the biggest and heaviest modern "prosumer" wildlife zoom to date.

If you're going to claim your point being derailed, you should make sure to understand what's been said.

My main issue with this lens (in theory) is that everyone already complains about the size and weight of a 200-600. Canon came out with the 200-800 which was aggressively priced, more reach, and similar size/weight - and people complain about the lack of IQ when compared to 100-400, 100-500, 180-600, or 200-600.

Sony is looking at lenses that are already too big and heavy, making one that is bigger AND heavier - and likely in order to keep price low, not improving IQ much if at all.

I suspect there must be a market for this lens (or Sony wouldn't make it), but I'm not sure who it would be. I think it would need to be cheaper than the 200-600, with noticeably better AF, MFD, and IQ in order to compete. If someone is on a budget, they're much more likely to buy a used 200-600 (or keep one they have) than spend more money for a bigger, heavier, slower lens.

Swimming_trouble_718 wrote:
How trustworthy is Sony Alpha rumors with their predictions usually? I’ll be the first to admit that I don’t know the slightest thing about lens design and engineering, but I would find it weird if this lens is bigger and heavier than the nearly 6 year old 200-600mm when Sonys whole thing lately has been making G and G Master lenses lighter and lighter. Maybe there’s an engineering limitation for the 400-800 if it is in fact bigger and heavier? I’m not sure.


This is my lingering thought too. I'm really hoping that if it must be physically larger than the 200-600, it's at least significantly lighter somehow.

Sony is known as the brand that creates the smallest and lightest lenses in each category they compete in. a big, slow, heavy zoom is complexing to me from that view.



Jan 31, 2025 at 01:05 PM
ChrisMak
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p.5 #11 · Sony 400-800 f/6.3-8 G It's here!!


twodees wrote:
800PF is just under 2.4kg and I would imagine the Sony to be half the price and shorter (if internal zoom).

I'm not sticking up for the Sony here fwiw and kind of agree on your point about bragging rights



Thanks for correcting that, I was in the market for a 800PF for some time (until settling on a 600GM), and thought it was 2,1kg but got that wrong. Still quite an achievement by Nikon for a 800mm f6.3 lens but that's another thing.



Jan 31, 2025 at 01:18 PM
jhapeman
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p.5 #12 · Sony 400-800 f/6.3-8 G It's here!!


nmerc_photos wrote:
Nobody said this "wasn't aimed at wildlife shooters". That would be a silly thing to say, because obviously it's aimed at wildlife shooters. Who else wants a 6lb telescope to carry around? Portrait shooters? Street photographers?

Chris said it's not "aimed at wildlife shooters that like small, portable, and still high IQ" - which based on everything we know so far - is an absolute truth. This is shaping up to be the biggest and heaviest modern "prosumer" wildlife zoom to date.

If you're going to claim your point being derailed, you should make sure to understand what's been said.

My main
...Show more

Just becuase you can't wrap your head around it doesn't really matter. Sony is the one making it and they have some reason for doing so. We also know nothing at all about the specs beyond some rumors and a photo.

I'll still argue that I was addressing Chris' point and I still disagree with what you and he are saying. There are plenty of people who will find this "light enough" for what it can do--show me some alternative zoom lenses that cover the same range and are smaller, lighter and just as portable? SAR implies the size is very similar to the 200-600 and the weight its just slightly higher. Just because you want it to somehow be lighter doesn't matter if plenty of other folks are happy with it. We know nothing about the optical performance but given Sony's history I expect it to be excellent.

As for an engineering limitation some of it just physics. If you want to be able to zoom and you want f/8 at 800mm, there are limits on the diameter of the primary elements, and that brings with it weight issues. Now if you also want it to be durable, and have great image quality you are putting further engineering/optical constraints on it. Finally there's price. When it's not targeted as a high end GM lens, you can't use things like magnesium alloy and other more expensive materials.

It's likely that Sony chose to thread the needle on all of these compromises. Most people are harsh enough with an f/8 maximum aperture, so I think they purposely avoided the Canon approach and went with f/8. Once you do that the options for everything else start to narrow down. You seem to ascribe the worst intentions to Sony for no good reason. Instead of your implied "they are looking at big and heavy and making bigger and heavier" maybe its more like "People are happy with our 200-600 for image quality, weight and size, so we can fill a gap and make a similar 400-800 G zoom that might weight a few ounces more and be similar in every other way but with greater reach for those who want it"




Jan 31, 2025 at 02:24 PM
MARKFER
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p.5 #13 · Sony 400-800 f/6.3-8 G It's here!!


Internal zoom. Think 200-600



Jan 31, 2025 at 03:00 PM
twodees
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p.5 #14 · Sony 400-800 f/6.3-8 G It's here!!


This 400-800 is crying out for an updated a6700.

ChrisMak wrote:
Thanks for correcting that, I was in the market for a 800PF for some time (until settling on a 600GM), and thought it was 2,1kg but got that wrong. Still quite an achievement by Nikon for a 800mm f6.3 lens but that's another thing.





Jan 31, 2025 at 03:03 PM
arbitrage
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p.5 #15 · Sony 400-800 f/6.3-8 G It's here!!


The big question will be at what focal length the aperture increases each 1/3 stop. If it is already 7.1 or 8 at 600 then I would be favouring the 200-600. If it can keep f/6.3 at 600, f/7.1 601-700mm and then f8 above 700 it certainly would have more utility than swapping on and off a 1.4TC to the 200-600. Also very likely the AF above 600 will be better than the 200-600 with 1.4TC.

The Canon 200-800 loses aperture fast:
200-267mm = f/6.3
268-454mm = f/7.1
455-636mm = f/8.0
637-800mm = f/9.0

I would never choose it over a Sony/Nikon style 180/200-600 f/6.3 lens.
But if Sony 400-800 can hold the 6.3 to 600 then it is interesting.



Jan 31, 2025 at 03:04 PM
arbitrage
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p.5 #16 · Sony 400-800 f/6.3-8 G It's here!!


Swimming_trouble_718 wrote:
How trustworthy is Sony Alpha rumors with their predictions usually? I’ll be the first to admit that I don’t know the slightest thing about lens design and engineering, but I would find it weird if this lens is bigger and heavier than the nearly 6 year old 200-600mm when Sonys whole thing lately has been making G and G Master lenses lighter and lighter. Maybe there’s an engineering limitation for the 400-800 if it is in fact bigger and heavier? I’m not sure.


Now that we know it is internal zoom (and not using DO/PF) I think physics dictate that it will be bigger. The front element has to be 100mm vs 95mm on the 200-600. The length has to be longer to be 800 vs 600. If it was external zoom then that would change things.
The big question is the weight. That they could still work on and come down to the 200-600 (2.1kg) or RF200-800 (2kg) level.
2.5kg is a bit heavy. That would certainly put me off the lens in comparison to the 200-600. And if it is already darker than 6.3 at 600mm then that would really put me off compared to 200-600.

I think this lens will mostly be appreciated by the wildlife videographers who like long relatively slow zoom lenses.



Jan 31, 2025 at 03:15 PM
ChrisMak
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p.5 #17 · Sony 400-800 f/6.3-8 G It's here!!


arbitrage wrote:
I think this lens will mostly be appreciated by the wildlife videographers who like long relatively slow zoom lenses.


I could see a dedicated use of a 400-800 zoom by photographers shooting smaller birds like songbirds, whilst wanting to maintain the allround utility which the zoom to 400mm will provide. I could see use for it myself.

When debating the Nikon 800PF vs the Sony 600GM, an important part of the reason for choosing the Sony, was not wanting to be stuck at 800mm. In that sense a 400-800mm zoom is an attractive lens theoretically, even at 2,5kg, although I would múch prefer a lens below 2kg and a bit smaller.
I don't seriously consider a lens of this class though, not even because of the slow f8 aperture, I could live with that, but for the simple reason that it is highly unlikely for a consumer class 800mm lens with zoom range to have the kind of crispness, fine detail and sheer resolution that would make the 800mm reach stand above just cropping the A1 to 800mm FOV with a good 600mm prime. So that would defeat the purpose of this lens for me at least.
But as I said, let's see what Sony makes of it.



Jan 31, 2025 at 03:35 PM
DWOfPaul
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p.5 #18 · Sony 400-800 f/6.3-8 G It's here!!


The fact that this should be an internal zoom lens is giving me hope that the IQ should be as good as the 200-600 if not better. Personally, I am more interested in IQ than weight, within reason. We are talking about the reach that super telephoto lenses are capable of. Except most of those super telephoto lenses can't zoom. For example, how well will the Sony 400-800 line up against the Nikon 800mm f6.3. If it's 1/2 the price, similar IQ and similar weight, it could be worth trading off 2/3 of a stop of light for the ability to zoom.

Side note, another reason Sony may have gone with f8 instead of f9 is to help diffraction on high MP cameras.



Jan 31, 2025 at 04:55 PM
jhapeman
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p.5 #19 · Sony 400-800 f/6.3-8 G It's here!!


vvgogh wrote:
The 100mm aperture is 10% bigger area than the 200-600mm lens' 95mm diameter aperture. Maybe it'll have that larger aperture and still be lighter like the trend from last year's 27% larger area of the 107mm(?) diameter 300mm F2.8 lens (1470g) + 2x (207g) total weight of 1,677g vs. 200-600mm 's 2,245g.


Not a great comparison though. The 300 is a GM lens and they use things like expensive magnesium alloys for the body to keep the weight down. There's also fewer elements and on mechanisms for zooming. Don't get me wrong, I expect Sony will do whatever it can to keep the weight down the 400-800 but if its a budget-priced G lens they won't pull out all of the expensive tricks they did on the 300GM.



Jan 31, 2025 at 06:00 PM
jakelindsay
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p.5 #20 · Sony 400-800 f/6.3-8 G It's here!!


Where is my 300mm F4 or 400mm F4.5, Sony?

Head scratching decision with the 200-600 being so great.



Jan 31, 2025 at 06:45 PM
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