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Never ever try a PRIME lens.. Going back to a ZOOM, you get too obsessed w. IQ

Started 4 months ago | Discussions thread
Canon_Guy
Canon_Guy Senior Member • Posts: 1,489
Re: Never ever try a PRIME lens.. Going back to a ZOOM, you get too obsessed w. IQ
1

MAC wrote:

gaul wrote:

davel33 wrote:

I have a few questions if you dont mind

#1 Do you crop a LOT, size and how often ?

#2 When you made this comparison how much did you enlarge them, 100% ?

#3 What res is your monitor ?

I use two Asus ProArt 24" at 1920 x 1200 = 2,304,000

My R6 has a 20mpx sensor 5472 x 3648 = 19,961,856

My Canon photo printer will print 13x19 at maybe that res at max dpi, I would have to check but the amount of ink would bankrupt me

BUT I do sorta agree with you When I bought my R the first lens's were all primes rf35 rf1.8, rf 50 f1.8 and RF 85 f2.

I like to do my composition in camera as much as I can which can be hard to do with primes.

I am asking because I was an electrical engineer and one thing that I had to learn the hard way is a closed mind never gets better**, so I ask a lot of questions

Thank you

Dave

** Your mind is like a parachute it MUST be open to work

Hi Dave,

Yes, I was doing "pixel peeping"

32inch 4k Monitor and yes at 200%

Yes, yes, I am at fault, I confess...

Still, my PRIMES (all of them) did shine more from F/4 to F/5.6 compared to my EF 24-105 F/4 IS Mk ii

But a 2nd batch of test with these 2 parameters changed are interesting too:

- In order to give an advantage to the zoom and benefit from IS, I did reduce the shutter speed for pics with my EF 24-105 F/4 IS Mk ii

- I also included tests at lower apertures as F/8

Both new parameters made the EF 24-105 F/4 IS Mk ii results look more interesting

For what it is worth, following my own humbles tests, UPDATED RESULT:

  • All my primes are much better at normal or high shutter speed than my EF 24-105 F/4 IS Mk ii
  • Apart from focal flexibility.. obviously... I will now consider my usage of my zoom EF 24-105 F/4 IS Mk ii for the following scenario: Slow shutter speeds thanks to IS and low apertures F/8 and less

My primes tend to be "old" ones without IS, so yes, this is not a perfect test of a new prime with IS vs a new zoom with IS

Rgds, Gaul

swapping to primes is a pain, gets you dust, and pixel peeping doesn't represent real pictures

In real pictures, viewed at the image level where real pictures are viewed, the versatility of the RF 24-105 F4 L, the best 24-105 ever made, is one of my favorites

For sure the versatilty together with its small size and weight and mostly very good IQ are very appealing assets of this lens. I like it too for these reasons.

Still there is the price to pay - it will never give the look which 40/1.4 or 105/1.4 can give. Or allow to shoot handheld under conditions these two allow. No pixel peeping needed.  And swapping lenses is the price one has to pay if he wants something different or just demands more for whatever reason.

Different tools for different purposes.

 Canon_Guy's gear list:Canon_Guy's gear list
Canon EOS R6 Canon EF 70-200mm F2.8L IS II USM Sigma 14-24mm F2.8 DG HSM Art Sigma 105mm F1.4 DG HSM Art Canon RF 24-105mm F4L IS USM +6 more
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