Lens Review – Sony FE 100-400mm f\4.5-5.6 GM OSS Lens – Part 1 – First Impressions

Sony’s 100/400 is listed as a GM or G Master lens.  That implies a premium or professional grade model.  I will attest it is a very well made lens.  It’s a metal construction unit and has plenty of heft to it weighing in at over three pounds.  Playing around with the autofocus I noted that the A7 III and the 100-400 are well matched and focus on distant and close objects quickly and accurately with no hunting.  And using a 400mm lens without a tripod (I used a monopod and sometimes handheld) I was impressed with how the image stabilization (IS) performed.  Using the A7 III’s magnified view on close objects without a tripod maximizes the shake observed through the viewfinder but with IS engaged I was very pleasantly surprised to find that once the trigger was half-pressed the shake disappeared.

I tested the lens out as a dragonfly and butterfly chaser.  Understand, it’s not a macro lens.  Maximum magnification is only about .3 but with the electronic magnification in use I can focus on the eye of an insect to perfect focus without a problem.

I like the rotating tripod collar.  It makes portrait shots easy and I used it to move the collar out of the way when I wanted to hand hold the lens.

And first impressions, the lens is very sharp from 100mm all the way to 400mm.  I’ve always been a prime lens snob.  But I have to admit that being able to zoom the lens to quickly frame the shot the way I want is very convenient and actually improved a number of my compositions.  The colors look good (as far as my color blind eyes can tell) with nice rendering of the flowers I’ve been shooting.  I’m very interested to see how the 1.4 and 2.0 teleconverters match up with this lens.  I want to shoot the 100-400 with them to have something to compare to the new Sony 200-600 lens that’s coming out soon.

And here’s a very unfair test of the lens.  This distance would have needed a 1200mm focal length to get any detail.

 

After you’ve read enough sexbot articles on Drudge maybe switch to something interesting

 

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