Something I noticed with the 24-70GM.
The aperture opening closes as I zoom from 70mm towards 24mm.
So, If the aperture blades are fully opened at f/2.8, it looks stopped down at 24mm even though it's still f/2.8.
I never noticed that with any other zoom lens or didn't play close attention. It does not happen with my FE 70-200/4. Thoughts?
Interesting. The only thing that pops into my head is they way the element grouping is moving when you zoom in and out. Some zooms just don't follow a straight path they readjust to different focal lengths.
One thing I thought of when you went to 50mm most likely you went wide to normal but I'm very curious if you went 70 to 50 is their a different result. Some zooms have weak spots and a interesting quick test to try . Your 50mm test just seemed odd it jumped from really nice at 35 to weak at 50 than good at 70mm. Just seems odd
GMPhotography wrote:
Interesting. The only thing that pops into my head is they way the element grouping is moving when you zoom in and out. Some zooms just don't follow a straight path they readjust to different focal lengths.
One thing I though of when you went to 50mm most likely you went wide to normal but I'm very curious if you went 70 to 50 is their a different result. Some zooms have weak spots and a interesting quick test to try .
Yes, I'm used to seeing elements moving as we zoom but never saw the aperture blades actually changing.
The aperture actually closes down towards 24mm even at f/2.8. I wonder if this will affect transmission.
Does seem odd for sure. I'll check mine on Monday
I just re read this whole thread and this is really looking very good. Maybe the hype actually will match the quality
GMPhotography wrote:
Does seem odd for sure. I'll check mine on Monday
I just re read this whole thread and this is really looking very good. Maybe the hype actually will match the quality
Actually I believe this lens is even better than what we've seen and infinity distance tests are very tough on lenses.
Most of the crops taken earlier and posted on this thread had terrible lighting/haze,etc.
I went out and took the same shots at 24, 35, 50 and 70 with optimum lighting and they look so much better. The right light makes a difference.
This is such an amazing lens, It's hard to believe it's a zoom. We were saying it looks better at f/5.6, f/8, etc.. center to corner but even wide open, the corners are very good.
The 24mm FL is terrific. The other FLs lag slightly behind but are very strong.
I don't remember seeing this kind of performance from the Canon EF 24-70/2.8L II, considered the best mid-zoom lens in the market.
I thought I would be using it mainly for landscapes but with that bokeh, it will probably be one of my mostly used lenses. We didn't even discuss EyeAF and focus speed. It's very fast even in very low light and almost silent.
Fred Miranda wrote:
Actually I believe this lens is even better than what we've seen and infinity distance tests are very tough on lenses.
Most of the crops taken earlier and posted on this thread had terrible lighting/haze,etc.
I went out and took the same shots at 24, 35, 50 and 70 with optimum lighting and they look so much better. The right light makes a difference.
This is such an amazing lens, It's hard to believe it's a zoom. We were saying it looks better at f/5.6, f/8, etc.. center to corner but even wide open, the corners are very good.
The 24mm FL is terrific. The other FLs lag slightly behind but are very strong.
I don't remember seeing this kind of performance from the Canon EF 24-70/2.8L II, considered the best mid-zoom lens in the market.
I thought I would be using it mainly for landscapes but with that bokeh, it will probably be one of my mostly used lenses. We didn't even discuss EyeAF and focus speed. It's very fast even in very low light and it's silent....Show more →
Fred I had a feeling you would get far better results with better light. The first series was not great light at all. Not your fault either. I agree also why I went for this lens was the nice bokeh it looks better than a lot of primes. Man you got me so stocked to get this Monday, what a great call. I had a really good feeling about this lens. I saw some of Brian Smiths New Orleans shot and I knew it right than. Awesome stuff
Stoffer wrote:
Fred, what are your initial thoughts on auto focus? I know it isn't crucial for your work, but it is important for others. The event guys.
I have not played with it a lot but AF seems to be very fast. I didn't get any hunting even when testing in low light. AF is almost silent.
GMPhotography wrote:
Fred I had a feeling you would get far better results with better light. The first series was not great light at all. Not your fault either. I agree also why I went for this lens was the nice bokeh it looks better than a lot of primes. Man you got me so stocked to get this Monday, what a great call. I had a really good feeling about this lens. I saw some of Brian Smiths New Orleans shot and I knew it right than. Awesome stuff
Yes, maybe tomorrow I can update the crops with the better light ones. The conclusions are still the same but the differences are not so noticeably between apertures.
Since you like the lens 'button', it's surprising that there is only 1 button on the GM. My FE 70-200/4 G has 3 buttons.
Basically it will be awkward to press the button when shooting in portrait orientation.
Yea did not think of that but I did think of the Loxia which don't have the focus hold so I would still keep it on C1. I'll have try it and see if it feels good. It may not end of day but that button you can change its function. Not sure many know about that
GMPhotography wrote:
Yea did not think of that but I did think of the Loxia which don't have the focus hold so I would still keep it on C1. I'll have try it and see if it feels good. It may not end of day but that button you can change its function. Not sure many know about that
I set-up the button to EyeAF and it worked quite well.
Fred Miranda wrote:
Yes, should have it next week. I'm afraid there would be big changes in my lens line-up if Sony releases a FE 16-35/2.8GM this good.
I still like having the 15 and 21 primes. My thinking is keeping some weight size balance in the bag.
I think my new lineup will be 15,21,24-70, buy back my Loxia 50, GM 85 and I may just grab that new 70-300 for the landscape stuff and rent the GM 70-200 2.8 for special gigs. But if a 135 or 200 GM prime than all bets are off on the 70-300. Again we are buying time for the 135/200. Sony needs to realize this is their big whole in the lineup
Fred Miranda wrote:
I set-up the button to EyeAF and it worked quite well.
That is a good thought. Right now I have it on the AF/MF down switch with rear button focus. I like that rear button focus and shutter release being separate
I'm new here but have been checking in regularly for a while now. Like so many, I've been jonesing for both the 24-70 & the 85 GM lenses. Nice to see some real world tests that aren't tainted with the usual online "reviewer" BS that seems to pervade the airwaves these days! That said, thank you kindly for taking the time to post your observations and thoughts about the zoom offering. That's certainly a lot of tedious work, but very helpful and much appreciated. Hoping to have both the zoom and 85 sooner than later...
Fred Miranda wrote:
I have not played with it a lot but AF seems to be very fast. I didn't get any hunting even when testing in low light. AF is almost silent.
It really looks to be an all around awesome 24-70.
This is the moment where the Sony A7-series put on the big boy pants. I just realized that. A lot was betting on this 24-70 GM.
