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_DSC9582

            Shot with FE20mm f1.8G handheld 

I think this is the most underrated Sony lens.

I am quite sure without this lens I could not shoot this handheld here.  It was dark and windy, also use of a tripod or flash was banned due to the COVID crisis here.    So I had to shoot everything handheld here this year.

This lens is really sharp wideopen and extremely sharp by f2.5 or so, and getting better till f5 and then slowly gets softer as diffraction effect kicks in.

I think the faster the lens the more diffraction effect it gets.

I may be wrong on that but , it seems to be the FE24mm f1.4GM or Sigma 35mm f1.2 Dn gets softer sooner than similar lenses in E mount system.

Sure there are some exceptions like the FE35mm f1.4GM and the Sigma version of that, these do not get much diffraction effect by f9 or so...and the much slower lenses like the Batis 40mm f2CF or Sony FE35mm f2.8ZA get it sooner and the diffraction effect on these lenses seems to be more severe than the diffraction caused resolution loss on the other lenses like the FE35mm f1.4GM or the FE 40mm f2.5 G.

I think I am pretty right on this, still I need to test more lenses and record the results from as many lenses as I can buy or borrow from my school, though.

I think I will try that over the next few months or so.

I may also test the Laowa 15mm f2 D again, which I sold in 2018 and kinda missing ever since I sold it.

I also think that the FE20mm f1.8G has the most effective IBIS ,or I might have to say the IBIS on the Sony body works best with this lens or works most effciently.

I think if you compare this lens vs the Batis 18mm f2.8 or Zeiss Loxia 21mm f2.8 at 1/30th and slower shutter speeds and calculate the percentage of your success rate, it will be very clear that the Zeiss lenses do not work as well as the Sony G in terms of effective utilization of the IBIS.

I think the Loxia 21mm f2.8 is the most overrated lens and most impractical lens in real life apps , yeah forums love it but it is not much sharper or even as sharp as the cheap Sony FE20mm f1.8g and the color out of the lens is not very special either.  I 'd say it is just subjective preference level of difference at best.   I mean if it does not say Zeiss on the barrel who will think it is so special?  

Fred Miranda's inaccurate and very subjective review and his forum made it super famous , but other wise , it is just an above average quality lens.

The Batis 18mm f2.8 is a bit better optically but also a crappy lens in terms of real life practicality.

Now I have hard time justifying paying anything more than 1500 on a lens especially on a so called Zeiss lens which Zeiss does not even design like the Loxia or the Batis.

I mean if you honestly read the MTF stores of these lenses , you would not be able to justify the huge premium of the so-called Zeiss over the Sony lens.

Even the Laowa or Sigma lenses of similar kinds beat that Zeiss Batis 18mm f2.8.   And much to my amusement, even the FE16-35mm f2.8GM and 14-24mm f2.8 GM beat the Zeiss primes in resolution.

I think this is a huge betrayal act from Zeiss to its own brand image and its fans, and I think we expect much more from a Zeiss branded manual focus lens than the resolution result from the Loxia 21mm f2.8.

Sony, on the other hand , provided a set of amazingly practical G lenses for a very reasonable price point of less than 1200 US.

Many famous reviewers (not really sure if they are really qualified to review test lenses, though) never respect G type of lenses or any real practical lenses for most of people, but these lenses are really important to most of systems , without that type of lenses (like the FE20mm f1.8G or the FE35mm f1.4GM) , your system will not sell well.

Taken on: April 27, 2021

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