does Telephoto lens really works? - Xiaomi Mi A1 Questions & Answers

Hi is it just me that when i take 2x zoom photo,it doesn't use the telephoto lens or in this case the camera on the left one,i tried to covered it up with my finger but its doesn't affect anythings, its all work in wide lens,camera on the right one either i took 1x or 2x zoom.
But i noticed when in portrait mode it does the job

In XDA review it was mentioned, that telephoto lens is used only in high light scenes (sunny and outdoors), otherwise the phone is using only digital zoom.

_mysiak_ said:
In XDA review it was mentioned, that telephoto lens is used only in high light scenes (sunny and outdoors), otherwise the phone is using only digital zoom.
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Thanks man its explain everything

Yeah when you click on the 2x it doesn't seem to work...but there's a work around..go to manual and change the lens ...it'll work fine...just keep everything in Auto and use it.

Related

Is there any way to make the 6P's camera focus on close objects?

Hi,
So I tend to take a lot of super close up pics, mostly of different small computer parts and it's really annoying that the Nexus 6P cannot focus on close objects.
Is there any possible way to make it focus on close objects, any possible way is fine with me.
Use a camera app that has macro focus?
I've actually been wondering this as well.
velveteen71 said:
Use a camera app that has macro focus?
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Do you have any suggestions?
seboj said:
I've actually been wondering this as well.
Do you have any suggestions?
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I don't use this app myself, but I've read this app has the possibility: HD Camera Pro .
i have the same gripe, but i have come to find out that the camera doesnt really have to be sooo close to the subject to take good pics.
use MANUAL CAMERA, it allows you to adjust focus manually to macro... and u will see that the minimum working distance is about 4-5 inches away
I've used Manual Camera as well for macro shots, seems to work pretty good.
swallowingled said:
I've used Manual Camera as well for macro shots, seems to work pretty good.
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chaco81 said:
i have the same gripe, but i have come to find out that the camera doesnt really have to be sooo close to the subject to take good pics.
use MANUAL CAMERA, it allows you to adjust focus manually to macro... and u will see that the minimum working distance is about 4-5 inches away
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That's nice to know, but which settings to modify for macro shots?
Not a software solution, but you can buy on ebay for a few bucks macro lens. I have played with it a little bit, and the results are excellent. And since you are working with computer parts, if you have nearby old CD/DVD drive, try to pull out lens from it. You will be amazed with result (but it will give you blur effect on everything that is not in the center of the image, opposite to macro lens where everything is clear).
srdjannj said:
Not a software solution, but you can buy on ebay for a few bucks macro lens. I have played with it a little bit, and the results are excellent. And since you are working with computer parts, if you have nearby old CD/DVD drive, try to pull out lens from it. You will be amazed with result (but it will give you blur effect on everything that is not in the center of the image, opposite to macro lens where everything is clear).
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Wow, thanks, I do have a couple of old DvD drives lying around, I will give it a shot.
[email protected] said:
Wow, thanks, I do have a couple of old DvD drives lying around, I will give it a shot.
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cool macro lense i used to have was the outer lense of a disposable camera
u opened it, cut the lense with some plastic from the front housing and used it
now that i have a 3d printer, i would venture to print a holder for one of them... guess i gotta go get another disposable camera

camera video quality

I took a couple of videos and the quality to me just isn't that great. This is with the UHD setting. Just isn't that clear for UHD.
I agree I had lots of noise/grain in mine. FHD60 seems a bit cleaner
This is a pic zoomed in half way. Looks awful. I bought this phone because the camera was supposed to be unreal. Is this normal or just maybe I have a bad cam?
Shot some video in a dark bar venue of a band playing. Using the main lens and manual settings, it turned out really well. The wide angle left a bit to be desired as shot but I think I have an idea for that lens. Shot with 1080 at 30fps high bit rate. Posted it in another thread over the weekend.
And at full zoom
Shot at 1080 30...
anth75 said:
Shot at 1080 30...
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Looks as though you may have a dirty lens.
The light in the room is a give away of grease or finger prints across lens. As the ceiling light starts to chase across your shot.
Same thing can cause grainy pictures. As it effects even a camera shot the same way.
Always try cleaning the lens if the shot seems to be poor.
shwnr11 said:
Looks as though you may have a dirty lens.
The light in the room is a give away of grease or finger prints across lens. As the ceiling light starts to chase across your shot.
Same thing can cause grainy pictures. As it effects even a camera shot the same way.
Always try cleaning the lens if the shot seems to be poor.
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I've tried to clean the lens, no luck. Do u think it's the phone itself?
Did you set to record in high bit rate?
Personally, I think the camera, both video and still, is the weakest part of the phone. I am not happy with that, but will live with it until the Note 8 comes out.
And you removed protector of the camera lens?
anth75 said:
Shot at 1080 30...
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What other settings did you use? (ISO, Shutter Speed, Bit Rate, Filters?)
I will say that it looks like you're using the digital zoom, which is always problem #1. Never use digital zoom unless you have to do so. Whoever came up with this gimmick should be dragged out into the street and hung. It just doesn't get you anything but a mess. Optical zoom is optimal. Bipedal zoom is your secondary option. Digital zoom just shouldn't be an option. It is quite literally the option you choose when you want to have some sort of shot, any shot, and you don't care about the quality of the shot. This goes for any device from a cellphone up to a DSLR.
---------- Post added at 12:32 PM ---------- Previous post was at 12:21 PM ----------
This was shot in a very dark bar venue with mediocre stage lighting. (Strike one against getting decent footage.) ISO 3200 (Another strike against any decent footage as you're maxing out the gain on the sensor.) 1080 at 30fps so I used a shutter speed of 1/60. I used the high bit rate setting. The refocusing is me touching the screen as I couldn't tell if I had good focus since it was dark and my eyes kinda suck these days without readers. I was playing with the audio settings and had no idea how to set it for a concert so I cheated and used approximately what I found for concert settings in the HD recorder app.
Considering the conditions..... the V20 did extremely well! I could pick things out in the audio that I couldn't live in person. In person, it was just a wall of sound sometimes. The video turned out amazing for being a tiny camera sensor. The only real thing I can knock the V20 on is the video stabilization. There needs to be settings somewhere so I can turn the OIS and EIS off and on so I know if it is on or off.
Are you using the stock cam app? I don't see anything where I can change the zoom type.
anth75 said:
Are you using the stock cam app? I don't see anything where I can change the zoom type.
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Yup, stock camera app. There is no setting for changing the zoom type. If you aren't clicking the one tree/three tree buttons, then you are going through a digital zoom. Only clicking those two buttons uses purely "optical zoom" although in reality, you're just completely switching cameras. (Different sensors and different lenses which presents its own issues since the wider view uses a smaller sensor and smaller aperture while the main shooter uses a "larger" sensor and larger aperture.)
Using pinch to zoom or the zoom slider means you're going through digital zoom. So if you start at the widest setting with the wide view and start zooming, the image quality is only going to get worse until you pop over into the main imaging group. Then if you continue to zoom, the image quality will degrade again. The best quality you're ever going to get out of any single focal length imaging assembly (which is what we're technically dealing with here, two single focal length imaging assemblies) is at its native focal magnification and at its base ISO. Which the photo options says is 50 but that's not always necessarily true, I'd have to look up the native sensor ISO online to be sure.
Did an unprocessed and processed test with my v20. By far the best dynamic range of any phone camera I've worked with.
---------- Post added at 01:16 PM ---------- Previous post was at 01:07 PM ----------
CHH2 said:
What other settings did you use? (ISO, Shutter Speed, Bit Rate, Filters?)
I will say that it looks like you're using the digital zoom, which is always problem #1. Never use digital zoom unless you have to do so. Whoever came up with this gimmick should be dragged out into the street and hung. It just doesn't get you anything but a mess. Optical zoom is optimal. Bipedal zoom is your secondary option. Digital zoom just shouldn't be an option. It is quite literally the option you choose when you want to have some sort of shot, any shot, and you don't care about the quality of the shot. This goes for any device from a cellphone up to a DSLR.
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The only positive thing I found about the digital zoom on the v20 which is unique in my experience is that when you're shooting 1080p on other phones, even though it's a 4k sensor it zooms up on the post sampled 1080p frame instead of taking advantage of the 4k sensor and zooming up without any quality loss. The V20 appears to do just that and up to a point there's no fidelity loss with the digital zoom because you're sampling a smaller section of the sensor..
vargala81 said:
And you removed protector of the camera lens?
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Don't remove that. It helps protect the glass from scratches and shatter.
anth75 said:
This is a pic zoomed in half way. Looks awful. I bought this phone because the camera was supposed to be unreal. Is this normal or just maybe I have a bad cam?
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Did you gain any insight to help fix your grainy pic issues? I'm having the same problem. I keep seeing people suggest to remove the plastic protector but it has cutouts for the lenses and the sensors so I don't see how that makes a difference. I'm taking pictures without any zooming but when I take a look at the results and zoom in to different parts to review, it looks horrible and grainy.
arn82 said:
Did you gain any insight to help fix your grainy pic issues? I'm having the same problem. I keep seeing people suggest to remove the plastic protector but it has cutouts for the lenses and the sensors so I don't see how that makes a difference. I'm taking pictures without any zooming but when I take a look at the results and zoom in to different parts to review, it looks horrible and grainy.
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What is your photo size set at? 16mp or 12mp?
arn82 said:
Did you gain any insight to help fix your grainy pic issues? I'm having the same problem. I keep seeing people suggest to remove the plastic protector but it has cutouts for the lenses and the sensors so I don't see how that makes a difference. I'm taking pictures without any zooming but when I take a look at the results and zoom in to different parts to review, it looks horrible and grainy.
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I haven't. I wouldnt take the plastic off. As you said, it has cutouts for the lens. Not impressed at all with the camera
I'm amazed at your low light video. I also thought the camera was the weak point of the phone. Guess I need to work on my manual focus skills.
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Does the second lens do anything?

So I just covered the second lens on my A1 and tried to zoom... It worked flawlessly even with the supposed "Zoom" lens covered. So if it indeed zooms digitally, why is there a second lens? Is it just a placebo lens? Is it not used at all or just for portait mode? Really puzzled...
micleftic said:
So I just covered the second lens on my A1 and tried to zoom... It worked flawlessly even with the supposed "Zoom" lens covered. So if it indeed zooms digitally, why is there a second lens? Is it just a placebo lens? Is it not used at all or just for portait mode? Really puzzled...
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It uses the telefoto lens when the lighting is very good mate otherwise it just zooms in with the normal lens
Sent from my Mi A1 using Tapatalk
micleftic said:
So I just covered the second lens on my A1 and tried to zoom... It worked flawlessly even with the supposed "Zoom" lens covered. So if it indeed zooms digitally, why is there a second lens? Is it just a placebo lens? Is it not used at all or just for portait mode? Really puzzled...
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If you want to switch to the telephoto lenses go to manual mode and tap on lenses.
Does the search option on forum do anything?
This community is the worst community I have ever seen. Creating exactly the same threads over and over... No development...

S10 Plus Camera, defect?

If I'm posting in the wrong place I'm sorry, I bought a galaxy s10+ May 5th and I noticed a small noise when changing the camera open from 1.5 to 2.4 and from 2.4 to 1.5, it makes a low and different noise, I wanted to know if it is common of the device that annoying little noise or if it is some type of defect, I am from Brazil and I have the version SM-G975F.
Perfectly normal.
cpufrost said:
Perfectly normal.
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the telephoto lens is raised when the aperture goes to 2.4, is it normal too?
rodrigoduarteh said:
the telephoto lens is raised when the aperture goes to 2.4, is it normal too?
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It's perfectly normal, the clicky noise is the variable aperture mechanism.
Telephoto only has F2.4, if you try to use the telephoto lens in a dark place it will automatically switch to cropped F1.5 on the standard camera, that's why you see the view changing a bit.
Corv0 said:
It's perfectly normal, the clicky noise is the variable aperture mechanism.
Telephoto only has F2.4, if you try to use the telephoto lens in a dark place it will automatically switch to cropped F1.5 on the standard camera, that's why you see the view changing a bit.
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try to see the application of the camera and switch to the dynamic focus, the camera without being the variable opening moves, I find this mt strange I'm almost asking for the replacement of the device,
puts it in the dynamic focus mode and looks behind the device and sees if the telephoto lens of a "jumped"
edit 1 :
I'm asking a lot of questions to make sure that it's common because I'm afraid to ask for the appliance to change,
I appreciate the answers and understanding.
rodrigoduarteh said:
try to see the application of the camera and switch to the dynamic focus, the camera without being the variable opening moves, I find this mt strange I'm almost asking for the replacement of the device,
puts it in the dynamic focus mode and looks behind the device and sees if the telephoto lens of a "jumped"
edit 1 :
I'm asking a lot of questions to make sure that it's common because I'm afraid to ask for the appliance to change,
I appreciate the answers and understanding.
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You mean that it physically moves?
I have the same, the telephoto lenses move by a bit when the main camera changes aperture, but it only moves between the same two positions, I think it's nothing to worry about, it doesn't really have room to move anywhere else since the 3 cameras are locked together, I remember noticing the same on all retail units, don't worry about it unless it looks misaligned or pictures start to look distorted.
rodrigoduarteh said:
try to see the application of the camera and switch to the dynamic focus, the camera without being the variable opening moves, I find this mt strange I'm almost asking for the replacement of the device,
puts it in the dynamic focus mode and looks behind the device and sees if the telephoto lens of a "jumped"
edit 1 :
I'm asking a lot of questions to make sure that it's common because I'm afraid to ask for the appliance to change,
I appreciate the answers and understanding.
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Click to collapse
Tried what you said, switching from normal to dynamic focus while looking at the lenses, I can se the main camera switching aperture (opens an closes) and the camera telephoto lens move a little bit (like a shake) dont know if that is the stabilization part of the lens activating
mathab said:
Tried what you said, switching from normal to dynamic focus while looking at the lenses, I can se the main camera switching aperture (opens an closes) and the camera telephoto lens move a little bit (like a shake) dont know if that is the stabilization part of the lens activating
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The main camera's aperture mechanism is magnet based and it seems to interact with the telephoto's OIS, also magnet based, they shake each other but no big deal.
You can try it yourself with a strong magnet, you'll see it pulling/pushing the telephoto module depending on the angle.

Astrophotography lens choice

Hi,
I e recently got back in to astronomy thanks to my new pixel 4 however it has an annoying habit of switching lens at the last moment when you have an eyepiece adapter fitted to use it with a scope! Is there a way to force (preferably the telephoto) a lens so I can frame a shot and take a photo?
Thanks
If you zoom in to 1.9 or higher, it should activate the telephoto lens.
Zico 10 said:
If you zoom in to 1.9 or higher, it should activate the telephoto lens.
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That does work but if it loses focus, as it can easily do during an astro shot and fitted to a telescope, it falls back to the wide lens, even at higher than 2x zoom
You should be setting focus to infinity when taking astrophotography, that way it shouldn’t change focus throughout the shot.

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