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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 02 Sep 2015 (Wednesday) 09:57
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EF 50mm 1.8 STM is better? (AF Thread)

 
rapurimanka
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Sep 02, 2015 09:57 |  #1

So i had both 50mm 1.8 II and 50mm 1.4 and both of them were horrible in terms of AF performance, it was a total lottery whether my photos will be at focus or missed.

And now with 50mm 1.8 STM what can you say guys, is it better? I really need 50mm and now have only 1.8 II, should i upgrade to 50mm 1.8 STM for better focusing?

Thx.


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Eastport
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Sep 02, 2015 11:44 |  #2

Having owned all three of the lenses you mentioned, I must ask what camera body did you use the first two on?




  
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BlakeC
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Sep 02, 2015 11:47 |  #3

It still sucks but takes great photos when it's on. I would get it just for the fact that it is quieter and less jerky. Unless you like the dying robot sound.


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Sep 02, 2015 11:49 |  #4

Kai just posted a video. I miss the 50mm focal range. I too may jump on one as well.



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rapurimanka
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Sep 03, 2015 02:12 as a reply to  @ Eastport's post |  #5

It was like:

50mm 1.8 on 500D - and it was crap
50mm 1.4 on 500D - a little bit better

50mm 1.4 on 5DmkII - good

and now:

50mm 1.8 on 6D - crap
50mm 1.4 on 6D - crap

That's why i'm thinking about 50mm 1.8 STM


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BlakeC
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Sep 03, 2015 06:58 |  #6

rapurimanka wrote in post #17693236 (external link)
It was like:

50mm 1.8 on 500D - and it was crap
50mm 1.4 on 500D - a little bit better

50mm 1.4 on 5DmkII - good

and now:

50mm 1.8 on 6D - crap
50mm 1.4 on 6D - crap

That's why i'm thinking about 50mm 1.8 STM

Many lenses will act slightly different on different cameras. Could even be different on 2 different cameras of the SAME model. Your best option is to go to the store and try it on your body.

Some shops won't let you do this. If that is the case, just go buy one at Best Buy. Their return policy is 14 days. Even on opened lenses! Plus, it's only a $125 lens. You don't have much to lose anyway.

This brings me to my next point. It's funny that so many people are so critical of this lens and so many people seem so concerned with its performance even before they buy it. It's the cheapest canon lens available, just buy it and try it. Everyone has different results.


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rapurimanka
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Sep 03, 2015 07:19 |  #7

Well, yes its cheap, but its made with current-date technology. I can understand why 1990 lens works bad with 2012 camera, but modern lens should work perfect on modern cameras.


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BlakeC
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Sep 03, 2015 07:29 |  #8

rapurimanka wrote in post #17693390 (external link)
modern lens should work perfect on modern cameras.

They don't always though. Sometimes the factory tolerances add up and things are just too far off to work together. I have a Sigma 18-35 1.8 and that thing needed some major calibrating to work. There are many lenses that just aren't perfect out of the box, Canon included. Add the tolerances of the camera to the lens and that lens + camera may just never have been meant to work together. That's why you may have to switch out lenses for a different copy sometimes.

As for the new 50 1.8 STM, just get one and see what you think for yourself.


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MalVeauX
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Post edited over 3 years ago by MalVeauX. (2 edits in all)
     
Sep 03, 2015 09:19 |  #9

rapurimanka wrote in post #17692397 (external link)
So i had both 50mm 1.8 II and 50mm 1.4 and both of them were horrible in terms of AF performance, it was a total lottery whether my photos will be at focus or missed.

And now with 50mm 1.8 STM what can you say guys, is it better? I really need 50mm and now have only 1.8 II, should i upgrade to 50mm 1.8 STM for better focusing?

Thx.

Look at a Tamron 45mm F1.8 VC instead?

Basically a fast, sharp, well made 50mm with image stabilization.

I have several 50mm's myself. I didn't like any of the 50's (rotten AF) I've gotten or used. I just hated the 50 F1.8 series. They work, but I'd rather have virtually any other 50mm. These days, I use two 50mm's. Super takumar 50 F1.4 and a Helios 40-2 (58mm F2). I like those best. Granted, they're manual lenses. But I'm fine with manual focus.

Very best,


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Charlie
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Sep 03, 2015 10:57 |  #10

rapurimanka wrote in post #17693236 (external link)
It was like:

50mm 1.8 on 500D - and it was crap
50mm 1.4 on 500D - a little bit better

50mm 1.4 on 5DmkII - good

and now:

50mm 1.8 on 6D - crap
50mm 1.4 on 6D - crap

That's why i'm thinking about 50mm 1.8 STM

I went through the same exercise a few years back, and got the 50L. Loved it at the time, never quite lost the L lust, would love a 50L again. Hard to go back to a 1.8 50, but had there been a decent 50 back then, I would have never graduated to the 50L.

The 50 STM seems like a much cheaper experiment, and I'de definitely try it first. Due to its small size, price, and weight, I'de have no issue owning both a 50L and 50 stm.


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GregDunn
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Sep 03, 2015 11:37 |  #11

BlakeC wrote in post #17693396 (external link)
They don't always though. Sometimes the factory tolerances add up and things are just too far off to work together. I have a Sigma 18-35 1.8 and that thing needed some major calibrating to work. There are many lenses that just aren't perfect out of the box, Canon included. Add the tolerances of the camera to the lens and that lens + camera may just never have been meant to work together. That's why you may have to switch out lenses for a different copy sometimes.

This. Also, even though the technology is improved, sensors today are much higher resolution and much less forgiving of lens optical flaws or focus errors. I'd have to go through the calculations again, but in order for a lens/camera combination to not require any sort of adjustment, the manufacturing tolerances of the body+mount + lens have to add up to a value on the order of a few hundred wavelengths of light (or, about the size of a large bacterium). That's not very forgiving. The fact that many people seem to get good results right out of the box indicates that manufacturing of these elements is pretty tightly controlled already.

To add to the chorus - buy one and try it. It's a great value; especially if you get a good copy, and you probably will.


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Lbsimon
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Sep 03, 2015 14:03 |  #12

BlakeC wrote in post #17693379 (external link)
Some shops won't let you do this. If that is the case, just go buy one at Best Buy. Their return policy is 14 days. Even on opened lenses! Plus, it's only a $125 lens. You don't have much to lose anyway.

The OP is in Moscow. And unless it is Moscow, Texas, I don't think they have a BestBuy there!


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Frodge
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Sep 03, 2015 21:11 |  #13

I'm wondering if its worth me getting the stm version. I have an excellent mkii copy. My copy is very sharp st almost all apertures. While the focus is a little noisy, I'm not sure.if its worth to buy the new one, even though its really cheap.


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GeoKras1989
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Sep 04, 2015 20:27 |  #14
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I had the 50 1.8 v1 on T1i. Focus was noisy and slow, but it worked. It died.
Over a few years, I tried 3 different 50 1.8 IIs on 60D, 5Dc, 6D. Great manual focus lens. AF was garbage.
I tried a 50 1.8 STM on 60D and 6D. Same optics as non-STM, to me. And same useless AF, not as noisy, though.

Used 50 1.4 is dead-on accurate, wide open, on 6D. I am happy with that. I am convinced the most folks who recommend a 50 1.8 (v1, v2, STM) are just trying to find someone to buy their copy. Unless you want a manual focus lens, none of them are worth the $89 they cost used. Buy a Yongnuo, at least they are cheaper.


WARNING: I often dispense advice in fields I know little about!

  
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CyberDyneSystems
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Post edited over 3 years ago by CyberDyneSystems. (2 edits in all)
     
Sep 04, 2015 21:30 |  #15

I find the STM version of the 50mm 1.8 to be very good, very usable AF.
Based on the original question, the answer is absolutely yes, it is much better!

I hated the old nifty fifty, it's AF was terrible. the new one is much better.

Also, the 40mm f/2.8 pancake has great AF, and is optically superior to any of the 50's, mind you, it's f/2.8 not 1.8.


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EF 50mm 1.8 STM is better? (AF Thread)
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