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Mestari View Drop Down
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Post Options Post Options   Quote Mestari Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 13:49
Originally posted by nandbytes nandbytes wrote:

I have a viltrox 16mm f1.8 now which replaced the 14GM. That's my fast UWA lens.


Could you please tell more? Why the change and are you happy with the switch?
 



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Hezu View Drop Down
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Post Options Post Options   Quote Hezu Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 14:02
Originally posted by nandbytes nandbytes wrote:

The fully articulating screen on A7RV has certainly come in very handy on my travels. Even still I wouldn't have upgraded just for that.
Guess what? I think for me the screen articulation was perhaps the most important reason to get α7R V...
Originally posted by nandbytes nandbytes wrote:

I had the A1 before the A7IV and a7RV. Overall I have enjoyed using the A7RV a lot more.
As I do own both α1 and α7R V, I'm torn on which one I like more: α1 has the shooting speed and blackout-free EVF that I love, on the other hand α7R V has that more articulate screen, slightly improved AF and few other minor updates that are very useful. In certain way α9 III combines these advantages (+ few extras) into single camera body, albeit the downside is the lower resolution sensor.

But I think that unless I win tonight 115 million euros in Eurojackpot lottery, I will wait little longer to ponder what camera or lens I should get next, after all my current setup covers most of my needs and already it is impossible to carry around everything.
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 15:27
Originally posted by Mestari Mestari wrote:

Originally posted by nandbytes nandbytes wrote:

I have a viltrox 16mm f1.8 now which replaced the 14GM. That's my fast UWA lens.


Could you please tell more? Why the change and are you happy with the switch?


The main driver was the provision of a normal 77mm filter thread with a removable hood. Its also nice that its a fair bit cheaper so I managed to get some money back (rarely happens on upgrades!)

I do not like its size any more than I did 14GM's. Its actually heavier which I am also not pleased about.
One of the reasons I bought it was to shoot the night sky. I took it with me to shoot the Northern lights. The metal body of the lens was literally freezing, I had to later "scrape" ice off the lens. That worries me a bit to be honest. Whatever material sony uses for their lenses does not have this problem.

Overall I am not looking to switch back to 14GM right now. But I feel if Sony or Sigma wishes it is possible to make a smaller/lighter lens than what viltrox have achieved with the same performance.
my flickr
A7RV, 20-70G, 70-200GII, Viltrox16mm/1.8, 35/1.4GM, Sammy85/1.4II, 200-600G
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 15:32
Originally posted by Hezu Hezu wrote:

Guess what? I think for me the screen articulation was perhaps the most important reason to get α7R V...
As I do own both α1 and α7R V, I'm torn on which one I like more: α1 has the shooting speed and blackout-free EVF that I love, on the other hand α7R V has that more articulate screen, slightly improved AF and few other minor updates that are very useful. In certain way α9 III combines these advantages (+ few extras) into single camera body, albeit the downside is the lower resolution sensor.

But I think that unless I win tonight 115 million euros in Eurojackpot lottery, I will wait little longer to ponder what camera or lens I should get next, after all my current setup covers most of my needs and already it is impossible to carry around everything.


I think/hoping A1MK2 will be "the one".
A1's sensor with blackout free shooting, the subject detection, IBIS, LCD from A7RV, pre-shoot buffer implementation from A9III.

That'll be a "perfect" body for me (that I probably couldn't afford )
my flickr
A7RV, 20-70G, 70-200GII, Viltrox16mm/1.8, 35/1.4GM, Sammy85/1.4II, 200-600G
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Hezu View Drop Down
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Post Options Post Options   Quote Hezu Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 15:54
Originally posted by nandbytes nandbytes wrote:

The main driver was the provision of a normal 77mm filter thread with a removable hood. Its also nice that its a fair bit cheaper so I managed to get some money back (rarely happens on upgrades!)

I do not like its size any more than I did 14GM's. Its actually heavier which I am also not pleased about.
One of the reasons I bought it was to shoot the night sky. I took it with me to shoot the Northern lights. The metal body of the lens was literally freezing, I had to later "scrape" ice off the lens. That worries me a bit to be honest. Whatever material sony uses for their lenses does not have this problem.
I wonder if a lens heater would have worked to keep frost off from the front element?
Originally posted by nandbytes nandbytes wrote:

Overall I am not looking to switch back to 14GM right now. But I feel if Sony or Sigma wishes it is possible to make a smaller/lighter lens than what viltrox have achieved with the same performance.
I think there is not much room for improvement regarding size and weight on Sony FE 1.8/14 GM. Slower aperture could help, but then it wouldn't be as useful for astrophotography. Although small size and light weight are always nice to have, I probably would still go next to the other direction and pick one of the Sigma F1.4 primes for astrophotography, most likely the new 15 mm fisheye. Despite that its weight is similar to that of the new Sigma 500 mm F5.6!
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 17:28
Originally posted by Hezu Hezu wrote:

Originally posted by nandbytes nandbytes wrote:

The main driver was the provision of a normal 77mm filter thread with a removable hood. Its also nice that its a fair bit cheaper so I managed to get some money back (rarely happens on upgrades!)

I do not like its size any more than I did 14GM's. Its actually heavier which I am also not pleased about.
One of the reasons I bought it was to shoot the night sky. I took it with me to shoot the Northern lights. The metal body of the lens was literally freezing, I had to later "scrape" ice off the lens. That worries me a bit to be honest. Whatever material sony uses for their lenses does not have this problem.
I wonder if a lens heater would have worked to keep frost off from the front element?
Originally posted by nandbytes nandbytes wrote:

Overall I am not looking to switch back to 14GM right now. But I feel if Sony or Sigma wishes it is possible to make a smaller/lighter lens than what viltrox have achieved with the same performance.
I think there is not much room for improvement regarding size and weight on Sony FE 1.8/14 GM. Slower aperture could help, but then it wouldn't be as useful for astrophotography. Although small size and light weight are always nice to have, I probably would still go next to the other direction and pick one of the Sigma F1.4 primes for astrophotography, most likely the new 15 mm fisheye. Despite that its weight is similar to that of the new Sigma 500 mm F5.6!


Front element was fine. It was the metal body that was freezing and developing a layer of ice on it.
Sony lens didn't have this issue. So I imagine it's down to the material used.
A non-metal body would also probably weigh less. But I agree 14GM isn't hugely smaller or lighter. but then again 14GM is smaller despite having a fixed hood.

14GM - 83mm x 100mm x 460g
V16/1.8 - 85mm x 103mm x 550g

So if Sony/Sigma were to make a 16mm like lens I imagine they might be able to make it smaller and lighter or may be not.... just my imagination

Basically I swapped to Viltrox for the 77mm filter thread which I haven't actually used yet! But I imagine it will come in handy in future because I do use filters.

I wouldn't want a slower prime lens, f1.8 is my minimum.
Sigma 14mm f1.4 has tempted me but its too big to want to travel with tbh. It would probably only get used locally and very rarely, so its not worth the money for me.

And before these two lenses I owned a laowa 15mm f2 which was 77mm x 82mm x 500g. Also came with a 72mm filter thread that matches my 20-70mm and 70-200mm.
I did really enjoy this lens but its the worst one of the three optically especially wide open (both sharpness and coma) where it gets used a lot.

Edited by nandbytes - 19 April 2024 at 18:20
my flickr
A7RV, 20-70G, 70-200GII, Viltrox16mm/1.8, 35/1.4GM, Sammy85/1.4II, 200-600G
 



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Mestari View Drop Down
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Post Options Post Options   Quote Mestari Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 21:45
And optically is Viltrox close to 14GM?
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 19 April 2024 at 21:48
Originally posted by Mestari Mestari wrote:

And optically is Viltrox close to 14GM?


They are about equal in all areas I'd say. I certainly can't notice any difference and if there is any its purely academic than real world impacting.

Edit:
Actually just been processing more shots from viltrox 16mm f1.8. Feel like it has more vignetting than the 14GM.
Plus 14GM is noticeably wider. 16mm is generally as wide as I want/need most of the time. Even with 14GM I used to crop in a little a lot of the time to match 15-16mm to get the framing I wanted.

Edited by nandbytes - 19 April 2024 at 22:50
my flickr
A7RV, 20-70G, 70-200GII, Viltrox16mm/1.8, 35/1.4GM, Sammy85/1.4II, 200-600G
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Post Options Post Options   Quote AudioDoc Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2024 at 13:27
As I mentioned previously I succumbed to GAS and purchased a new lens a couple weeks ago -- the 20mm f1.8 G. Yesterday I was downtown SLC testing it. I noticed something I haven't noticed before with other lenses on my A7rIIIa. It seems to have trouble focusing on distant subjects at f8 continuous AF. Focus pulsing and when that happens, the shot won't be sharp. Dustin Abbott pointed this out in his review of this lens. I suppose with this type of photography, since I really don't need C AF probably best to switch to S AF and flexible spot, open the aperture more, or use manual focus. With subjects in the foreground the camera/lens combo doesn't have this issue. DOF is going to be pretty deep so f5.6 or faster is going to be sufficient for this type of setting or set for hyperfocal. Need more practice with this lens. And it is not the way I will normally be using it.

This is more a heads up than anything. I just had not experienced this phenomenon with other lenses. Have any of you had this issue with this or other wide angle lenses? Previously most of my wide angle shooting has been with the the FE 16-35mm f4 ZA OSS and Zeiss Batis 18mm f2.8. Obviously slower lenses. And the settings have been indoors, or outdoors in tight spaces.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2024 at 16:20
Never noticed this behaviour with my 20/1.8G on my A7r4.
Why not follow me on Instagram? @Addy_101
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Post Options Post Options   Quote 4paul Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2024 at 22:58
I'll ask the obvious question about firmware version (latest appears to be 3.10), but that is from year 2019, which is older than the lens. The a7riv is from 2019 but the latest firmware is 2020, the year of the lens (it's a G lens but still not firmware-upgradeable I don't think).

Your S-AF is probably the best idea.

Does it do the same on a tripod? Maybe the AF algorithm is so aggressive a tiny movement of your hand makes it re-focus? You could try to dial up (or down? LOL) AF stickiness or whatever AF menu settings it has, but S-AF seems best.
There is a difference between a shaky or out-of-focus photograph and a snapshot of clouds and fog banks. - Schrödinger
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Post Options Post Options   Quote AudioDoc Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2024 at 01:31
Originally posted by addy landzaat addy landzaat wrote:

Never noticed this behaviour with my 20/1.8G on my A7r4.

Addy, you probably used all the right setting with your camera!
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Post Options Post Options   Quote AudioDoc Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2024 at 01:49
Originally posted by 4paul 4paul wrote:

I'll ask the obvious question about firmware version (latest appears to be 3.10), but that is from year 2019, which is older than the lens. The a7riv is from 2019 but the latest firmware is 2020, the year of the lens (it's a G lens but still not firmware-upgradeable I don't think).

Your S-AF is probably the best idea.

Does it do the same on a tripod? Maybe the AF algorithm is so aggressive a tiny movement of your hand makes it re-focus? You could try to dial up (or down? LOL) AF stickiness or whatever AF menu settings it has, but S-AF seems best.


Thanks, Paul,

I have not checked for a camera FW (A7rIIIa) but will check, the lens has no FW updates. I honestly think the problem is my settings. For landscapes and cityscapes there is no need for continuous AF. I really probably only need it for my railroad photography and its not likely that I will use this lens for that. As I mentioned, Dustin Abbott noticed this phenomenon with this lens and I believe he was using his A1 for the review. No I have not tried using a tripod with this camera and lens combo. Will do some more tests in the coming week.
Thanks again for your input!

Regards,

Kelly

Kelly
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Post Options Post Options   Quote Wētāpunga Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2024 at 03:04
Will be interested to see the outcomes of those tests Kelly
Obviously I've never been bothered by the AF-system with my Zeiss Loxia 21mm

And because it is May, I can report another month has gone by with no new lens purchases from me (or new cameras as well). The GAS is being kept under control
α1- Voigtländer 15/4.5, 110/2.5 M; Zeiss Loxia- 21/2.8, 35/2, 50/2 & 85/2.4, Zeiss Batis- 85/1.8 & 135/2.8; Sony 24-105/4 & 100-400/4.5-5.6; Sigma 70/2.8 M; Sony 135/2.8 STF
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