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Pre-order: Sony FE 20-70mm f/4 G Lens

mudlake
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p.3 #1 · p.3 #1 · Pre-order: Sony FE 20-70mm f/4 G Lens

It is definitely a great range for a one lens landscape solution.

However, for me, I prefer my 24-70GM II along with the 20/1.8G. Heavier, yes, but much more flexible for landscape and travel, astro, or anything else.

Jan 02, 2023 at 04:41 PM

TravelinBriNY
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p.3 #2 · p.3 #2 · Pre-order: Sony FE 20-70mm f/4 G Lens

I have the 24-70/2.8 GM II - which is amazing - and the 35-150. I also have the 16-35. The 20-70 feels like a dream range, but I cannot figure out what lens it could actually replace.

Jan 03, 2023 at 07:05 AM

Alan Parker
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p.3 #3 · p.3 #3 · Pre-order: Sony FE 20-70mm f/4 G Lens

TravelinBriNY wrote:
I have the 24-70/2.8 GM II - which is amazing - and the 35-150. I also have the 16-35. The 20-70 feels like a dream range, but I cannot figure out what lens it could actually replace.

I think it really depends on what the performance is going to be. If this is razor sharp at f/4 it could make people reconsider things.

Jan 03, 2023 at 07:12 AM

tuomkok
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p.3 #4 · p.3 #4 · Pre-order: Sony FE 20-70mm f/4 G Lens

Alan Parker wrote:
I think it really depends on what the performance is going to be. If this is razor sharp at f/4 it could make people reconsider things.

+ light weight. Otherwise 24-70 GM II + 20 G is more tempting. It is also also more versitile if bright aperture is needed.

Jan 03, 2023 at 07:40 AM

Uncle Chip
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p.3 #5 · p.3 #5 · Pre-order: Sony FE 20-70mm f/4 G Lens

Size weight and image quality, if they get the balance right it could be a winner,

Is this a lens designed to be “part of a kit” maybe we will see a 14-20 to compliment it, then a 70-300mk2

For me it’s an excellent walk around focal length, the 20mm is much more useful than 24, and 70mm rather than 105 means they should be able to keep it small, will certainly be looking at this,

On a side note, since mobiles have dominated image making in social media most images are wide angle, 24 is a normal FL, maybe the new generation brought up on this now expect wider angle lenses as standard, for a relatively new system we have a massive choice of wide angle lenses so clearly the manufacturers think there is a market.

Jan 03, 2023 at 10:23 AM

Tarekith
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p.3 #6 · p.3 #6 · Pre-order: Sony FE 20-70mm f/4 G Lens

This would be a dream lens for me if it’s fairly light weight. I’ve been so close to pulling the trigger on the 24-70 GM2 for weeks now, but it’s just a little heavier than I want to carry around all day. Fingers crossed!

Jan 03, 2023 at 10:42 AM

Gunzorro
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p.3 #7 · p.3 #7 · Pre-order: Sony FE 20-70mm f/4 G Lens

Douglas L wrote:
I have a slightly different take one this. I have the PZ 16-35 and the CV 15. If I get this 20-70, I would match it with the CV for a super light and slow combo. The 16-35 would have too much overlap with the 20-70.

Like you Douglas, I have the CV 15E. Yes, it is slow, but the IQ is outstanding making it my favorite ultra-wide.

I've found most of my shooting is within 20-50mm range, so this new lens would be welcome if it has outstanding IQ near that of CV, Loxia and Batis lenses. I could get by with a two lens travel set.

I only wish the aperture was a little faster, like f/3.5 to increase its usefulness hand held.

We'll see about price!

I'm already covered in primes (almost literally!), but a high IQ and smaller lens than my 24-105G would be welcome.

Jan 03, 2023 at 10:44 AM

zeitlos
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p.3 #8 · p.3 #8 · Pre-order: Sony FE 20-70mm f/4 G Lens

Is this the same or a different lens?

https://www.digitalcameraworld.com/news/is-sony-set-to-announce-the-worlds-first-20-70mm-lens

Jan 05, 2023 at 10:39 AM

kevphoto
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p.3 #9 · p.3 #9 · Pre-order: Sony FE 20-70mm f/4 G Lens

Same lens.

zeitlos wrote:
Is this the same or a different lens?

https://www.digitalcameraworld.com/news/is-sony-set-to-announce-the-worlds-first-20-70mm-lens

Jan 05, 2023 at 10:42 AM

Alan Parker
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p.3 #10 · p.3 #10 · Pre-order: Sony FE 20-70mm f/4 G Lens

zeitlos wrote:
Is this the same or a different lens?

https://www.digitalcameraworld.com/news/is-sony-set-to-announce-the-worlds-first-20-70mm-lens

It wouldn't make sense for this to be a GM (at f/2.8). I don't think this could be at $1600 and being F4 when the 24-70GMII is $2300. The article probably just copy-pasted things together and called it a day

Jan 05, 2023 at 10:44 AM

Charlie N
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p.3 #11 · p.3 #11 · Pre-order: Sony FE 20-70mm f/4 G Lens

lensfan wrote:
I'm no optics engineer but looks like the the zoom lens producers have issues getting from 28-xx to 24-xx. For some 28mm may work, but for travel 24 vs 28 makes a lot of difference. I would prefer to have an internal focusing 24-70 GM II, however this one is highly unlikely as there have been no precedent.

Sony 18-105
Sony 18-110
Sony 28-135

it can happen, but it will be big all the time. Even @ 70mm f4, it would be a 5" lens if going by the 24-70f4 fully extended.

Jan 05, 2023 at 11:24 AM

jeffbuzz
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p.3 #12 · p.3 #12 · Pre-order: Sony FE 20-70mm f/4 G Lens

There is a trend where many mirrorless lenses no longer correct for distortion optically, leaving that to be done computationally. Perhaps this is freeing up engineers to make previously impractical optical formulas since the resulting wild optical distortions are largely hidden from most users.

Jan 05, 2023 at 01:26 PM

Butterfingers
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p.3 #13 · p.3 #13 · Pre-order: Sony FE 20-70mm f/4 G Lens

jeffbuzz wrote:
There is a trend where many mirrorless lenses no longer correct for distortion optically, leaving that to be done computationally. Perhaps this is freeing up engineers to make previously impractical optical formulas since the resulting wild optical distortions are largely hidden from most users.

I think you are correct, Canon especially on their non- L RF mount lenses seem to be leaning on computationally fixing distortion.

My problem with this is you still lose resolution when you fix a distorted image computationally.

Jan 09, 2023 at 12:36 PM

Blueshound
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p.3 #14 · p.3 #14 · Pre-order: Sony FE 20-70mm f/4 G Lens

Lens designers deal with a variety of different characteristics and deviations from perfect in their design trade offs.
Distortion has always been said to be relatively straight forward to deal with computationally, which frees the designer to better optimize the more difficult optical issues, which are potentially more destructive.
I've been using mirrorless cameras since 2010, and I have yet to see edge resolution so impacted by distortion corrected computationally, that I would rather the more destructive issues.
I once had and generally liked the Sony Zeiss 16-35/4. Some landscape shots (not the majority) were spoiled by astigmatism. One example only.
I also would never prefer a significantly larger, heavier lens with the only benefit being rigorous distortion correct in optical design.
Those are my preferences, you can choose your own.
Brian

Jan 09, 2023 at 12:52 PM

Slalom
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p.3 #15 · p.3 #15 · Pre-order: Sony FE 20-70mm f/4 G Lens

Starting at 20mm may be an advantage to some. But most completive lenses are 24 or 28 to 70 or 75mm. Not sure many will trade in to obtain this.

Just leaves A7C fans and people fleshing out their sony FE lenses.

Jan 09, 2023 at 12:59 PM

kaldur
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p.3 #16 · p.3 #16 · Pre-order: Sony FE 20-70mm f/4 G Lens

When I had a normal zoom starting at 28mm I was quite content with that coupled with the 20G for low light and a wider view and a pretty neat closeup utility (as well as the Voigt 21/3,5 for landscapes with the sun present).

Am glad to see some slightly unorthodox focal length range zooms though. (Corrective profiles will probably arrive sooner or later to lensfun, and if not you can try to provide one yourself)

Jan 09, 2023 at 01:07 PM

mojoh
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p.3 #17 · p.3 #17 · Pre-order: Sony FE 20-70mm f/4 G Lens

"Rumored Sony 20-70mm f/4.0 specs:
- sharper than the first generation 24-70mm GM
- very little distortion
- Price 1.599 Euro
- Announcement on January 17"

Quoted, sonyalpharumors.com, 9th Jan.

Jan 09, 2023 at 05:40 PM

zeitlos
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p.3 #18 · p.3 #18 · Pre-order: Sony FE 20-70mm f/4 G Lens

Size/weight?

Jan 10, 2023 at 03:47 PM

pshambroom
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p.3 #19 · p.3 #19 · Pre-order: Sony FE 20-70mm f/4 G Lens

nehemiahphoto wrote:
I think we should probably get ready for high sharpness and meh rendering

Please, what does rendering mean? I see this in a lot of comments and frankly it seems like a nonsensical term in this context. Kind of like "pop". Can anyone offer an actual definition to distinguish it from measurable characteristics such as sharpness, contrast, MTF (a combination of the two previous), and flare resistance?

Jan 13, 2023 at 01:56 PM

tsdevine
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p.3 #20 · p.3 #20 · Pre-order: Sony FE 20-70mm f/4 G Lens

I think rendering encompasses more than contrast, MTF, and sharpness. You can have a super contrasty, sharp, high resolving lens that has heinous bokeh in many situations.

Rendering has some level of subjective-ness to it, and do my knowledge, no one has distilled it down to a purely scientific measurable quality. But at the end of the day, it's still important to many people.

Some examples, but not exhaustive

Does it have onion rings in the bokeh?
How much LoCA is there?
Do the bokeh balls have a harder or softer edge in the foreground vs the background, or are similar?
In the transition zone (between in focus and out of focus), is that transition harsh or relatively smooth? Does this change at different focus distances?
How round are the bokeh balls at different apertures?
Does the lens exhibit cats-eye towards the corner, and to what extent?
Is there bokeh fringing?

It's tough to answer those questions by looking at MTF charts, but it effects the resulting image.

pshambroom wrote:
Please, what does rendering mean? I see this in a lot of comments and frankly it seems like a nonsensical term in this context. Kind of like "pop". Can anyone offer an actual definition to distinguish it from measurable characteristics such as sharpness, contrast, MTF (a combination of the two previous), and flare resistance?

Edited on Jan 13, 2023 at 02:29 PM · View previous versions

Jan 13, 2023 at 02:22 PM

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