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Considering Sigma 20mmf1.4, any advice
#1
In the past had Sigma 20mmf1.8 on 30D it was one of my favorite lenses, I am considering Sigma 20mmf1.4 Art on EOSRP
Anyone knows this lens well or has used it?
I already have Tokina 16-28f2.8 but not using because of size and weight and I am afraid of having the same issue here, any advice??
#2
If weight and size is an issue - steer clear off the 20/1.4, it's big and heavy and performs very well. On a mirrorless body at least. I had some focus point issues with it on DSLR. You need a fast 20 mm? Canon offers them from f/2.8 right?
#3
Why was it your favourite lens on Canon APS-C? Must not have been the wide open sharpness, or the AF performance. So, it must have been the FOV?
20mm on FF is totally different. So, it 20mm on APS-C was your thing.... 20 x 1.6 = 32mm. You then would be better off looking at a 35mm lens instead?
#4
(07-21-2019, 05:02 PM)Brightcolours Wrote: Why was it your favourite lens on Canon APS-C? Must not have been the wide open sharpness, or the AF performance. So, it must have been the FOV?
20mm on FF is totally different. So, it 20mm on APS-C was your thing.... 20 x 1.6 = 32mm. You then would be better off looking at a 35mm lens instead?

Yes, completely correct.

And in that case, I'd suggest the RF 35 F/1.8 IS Macro STM, which is a great lens, designed for the R-series opf cameras, has IS, and STM motor for AF, does 1:2 - great for flowers and siliarly sized items -, and is apparewntly quite good. Another advantage si that it was made for the R-series of cameras, and is conveniently quite compact too.

In addition, it is on cashback too, and actually quite cheap compared to the competition, like the Kipon 35 F/2.4, which is MF, no IS, and only 30 euros less, and that is before cashback of the Canon.

Kind regards, Wim
Gear: Canon EOS R with 3 primes and 1 zoom, 4 EF-R adapters, Canon EOS 5 (analog), 9 Canon EF primes, a lone Canon EF zoom, 2 extenders, 2 converters, extension tubes, an accessory plague, and an Olympus OM-D 1 Mk II and Pen F with 12 primes, 6 zooms, and 3 Metabones EF-MFT adapters ...
#5
(07-21-2019, 07:42 PM)wim Wrote:
(07-21-2019, 05:02 PM)Brightcolours Wrote: Why was it your favourite lens on Canon APS-C? Must not have been the wide open sharpness, or the AF performance. So, it must have been the FOV?
20mm on FF is totally different. So, it 20mm on APS-C was your thing.... 20 x 1.6 = 32mm. You then would be better off looking at a 35mm lens instead?

Yes, completely correct.

And in that case, I'd suggest the RF 35 F/1.8 IS Macro STM, which is a great lens, designed for the R-series opf cameras, has IS, and STM motor for AF, does 1:2 - great for flowers and siliarly sized items -, and is apparewntly quite good. Another advantage si that it was made for the R-series of cameras, and is conveniently quite compact too.

In addition, it is on cashback too, and actually quite cheap compared to the competition, like the Kipon 35 F/2.4, which is MF, no IS, and only 30 euros less, and that is before cashback of the Canon.

Kind regards, Wim

Many thanks for that complete information!
#6
The Sigma should eat the Canon 20/2.8 for breakfast, lunch, dinner and whatnot. Nobody except Ken Rockwell had anything good to say about the 2.8. :-)

If someone needs an "as wide as it gets" f/1.4 lens (and not specifically a 20mm for FF) it looks like the prime (pardon the pun) contender. I chose a 24/1.4 on similar grounds, but if the Sigma 20 had existed during that time, maybe I would've chosen it instead. So I can see Toni's point here.
  


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