Opticallimits > Forums > Canon EOS > New camera, new lenses and new technology
Opticallimits > Forums > Canon EOS > New camera, new lenses and new technology

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New camera, new lenses and new technology
Brightcolours Offline
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#6
06-08-2012, 10:56 AM
[quote name='Klaus' timestamp='1339151973' post='18767']

Surprisingly the MTFs of the 18-135 IS STM look improved compared to the old model - quite a bit actually.

[/quote]

I am not too surprised about that... It is the only STM zoom they offer. If they want to make a big point of the hybrid AF system for live view, it is the only option, and it would be stupid to have the only option have the not so great performance of the old 18-135mm.



The optics have changed quite a bit:

Old 18-135mm:

[Image: lens-construction.png]

New 18-135mm STM:

[Image: lens-construction.png]



The 40mm f2.8 TSM does not have half bad MTFs either (for a pancake):

[Image: mtf.png]

Here is the lens construction:

[Image: lens-construction.png]
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Messages In This Thread
New camera, new lenses and new technology - by Yakim - 06-08-2012, 06:53 AM
New camera, new lenses and new technology - by Guest - 06-08-2012, 09:57 AM
New camera, new lenses and new technology - by Brightcolours - 06-08-2012, 10:56 AM
New camera, new lenses and new technology - by Guest - 06-08-2012, 12:04 PM
New camera, new lenses and new technology - by Yakim - 06-08-2012, 01:00 PM
New camera, new lenses and new technology - by Yakim - 06-08-2012, 01:45 PM
New camera, new lenses and new technology - by Guest - 06-08-2012, 03:30 PM
New camera, new lenses and new technology - by Yakim - 06-09-2012, 09:52 PM

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