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EF 100L Macro vs RF 100L Macro (IS Question)

  
 
ISO1600
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p.1 #1 · p.1 #1 · EF 100L Macro vs RF 100L Macro (IS Question)


Do I recall correctly that EF lenses with IS will run that IS non-stop on R bodies? I feel like that's what the 70-200 I had last year did, and I did not like it at all lol.

Taking a serious look at getting one of the 100L Macros now that I've gotten a lot more into that area of photography. The SA correction on the RF doesn't interest me in the least. Both have weather sealing, both should be a blast, and both are about the same operational size/weight in use on an R body. Going with the EF saves me a few hundred bucks, and has the added benefit of simpler tripod collar setup. I just want to make sure the only thing I'm missing out on is the AF and IS not being AS GOOD, but still quite great, and of course the "only" life size mag.

I am not looking for super close working distance, and will be using on R7 mostly, so the 1:1 should be plenty.




Jul 23, 2024 at 08:36 PM
melcat
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p.1 #2 · p.1 #2 · EF 100L Macro vs RF 100L Macro (IS Question)


ISO1600 wrote:
Do I recall correctly that EF lenses with IS will run that IS non-stop on R bodies?


It will run if the camera is on and IS is turned on at the switch on the lens.



Jul 23, 2024 at 09:24 PM
ISO1600
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p.1 #3 · p.1 #3 · EF 100L Macro vs RF 100L Macro (IS Question)




melcat wrote:
It will run if the camera is on and IS is turned on at the switch on the lens.


To clarify, we are talking about the IS running any time the camera is powered on, even when I'm not trying to focus or meter or anything?



Jul 23, 2024 at 10:17 PM
Gochugogi
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p.1 #4 · p.1 #4 · EF 100L Macro vs RF 100L Macro (IS Question)


ISO1600 wrote:
Do I recall correctly that EF lenses with IS will run that IS non-stop on R bodies? I feel like that's what the 70-200 I had last year did, and I did not like it at all lol.

Taking a serious look at getting one of the 100L Macros now that I've gotten a lot more into that area of photography. The SA correction on the RF doesn't interest me in the least. Both have weather sealing, both should be a blast, and both are about the same operational size/weight in use on an R body. Going with the EF saves
...Show more

I recall the always on IS bothered me years ago when I first bought an EOS M3. I wasted my time switching IS off on the lens only to forget to turn it back on in the heat of a shoot. It doesn't bother me anymore. R series IBIS—even if not actively stabilizing—is powered to keep the CMOS from flopping around. Likewise, most of the IS systems in RF lenses continue to run when disabled—not to stabilize—but to keep the floating IS element from twitching and messing up the image.

As for the RF 100 2.8L Macro it's a wonderful lens: sharp and blazing fast AF (can bracket at 40fps). I only use the SA dial at a half tick plus to compensate for focus shift at a couple meters out.



Jul 23, 2024 at 10:26 PM
melcat
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p.1 #5 · p.1 #5 · EF 100L Macro vs RF 100L Macro (IS Question)


ISO1600 wrote:
To clarify, we are talking about the IS running any time the camera is powered on, even when I'm not trying to focus or meter or anything?


On my R3:

• The lens IS will continue to run after the metering timer expires (a few seconds by default).

• It will continue to run after the viewfinder and rear screen go inactive (configurable, around a minute by default, I think).

• After both are inactive, an auto power off timer starts (configurable, 30s by default I think). When this expires, the camera “powers off”: lens IS turns off, and the top display blanks except for the mode, but the shutter does not close if you have it configured to close on power off, and the camera can be “powered on” by a shutter half press.

So after 90s without touching any of the controls my R3 will go into a kind of deep sleep which also turns lens IS off.

The reason for this shortish time is to save battery. A mirrorless camera has to run the sensor to display an image in the viewfinder.



Jul 24, 2024 at 03:24 AM
koenkooi
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p.1 #6 · p.1 #6 · EF 100L Macro vs RF 100L Macro (IS Question)


The R5II now has a menu option to only run the IS during exposure. The manual doesn't say more than that, so I can't say what the impact of that is.

Also, I sold my EF100L because in specific situations the IS was detrimental, turning it (and hence IBIS as well) off improved the number of keepers. This was with natural light, ES and around 1/200s. The RF100L doesn't suffer from that.
I haven't managed to find other people with similar issues, so it might be an issue with me, not the lens



Jul 24, 2024 at 08:45 AM
garyvot
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p.1 #7 · p.1 #7 · EF 100L Macro vs RF 100L Macro (IS Question)


On the R bodies, IS (and IBIS if available) is active all the time, not just while the metering timer is running. However, it turns off when the camera enters sleep. I use rather aggressive sleep settings to conserve power anyway, so to me this is fine.

You don't really hear the IS on RF lenses. It's only older EF lenses that spin up like dynamos that you really notice this.



Jul 24, 2024 at 10:13 AM
 


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AmbientMike
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p.1 #8 · p.1 #8 · EF 100L Macro vs RF 100L Macro (IS Question)


Focus shift on the Rf knocked it out, for me. I prefer longer fl anyway


Jul 24, 2024 at 10:20 AM
garyvot
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p.1 #9 · p.1 #9 · EF 100L Macro vs RF 100L Macro (IS Question)


AmbientMike wrote:
Focus shift on the Rf knocked it out, for me. I prefer longer fl anyway


This is a side effect of the of the SA control and can be corrected with a minor adjustment.



Jul 24, 2024 at 10:23 AM
AmbientMike
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p.1 #10 · p.1 #10 · EF 100L Macro vs RF 100L Macro (IS Question)


garyvot wrote:
This is a side effect of the of the SA control and can be corrected with a minor adjustment.


I know, but how exactly do you know if you need it or not? My understanding is it's only needed in a certain distance. Besides it's one more thing to think about as I move closer



Jul 24, 2024 at 10:25 AM
Jeff Nolten
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p.1 #11 · p.1 #11 · EF 100L Macro vs RF 100L Macro (IS Question)


The EF 100 L is the only standard EF lens I've kept. The continuous IS is a bit annoying but not extremely so. One of the features of the R7 that I like is the convenient position of the on/off switch which I can use instead of waiting for sleep. The AF in servo mode is also noticeable but doesn't seem to affect performance.

The IS and AF noise doesn't seem as noticeable with the EF-S STM lenses I've kept. If you don't mind buying used, the EF-S 35 and 60 macros work well on my R7. Both go 1:1. The 35 has a built-in ring light to compensate for its close working distance. I'm glad I've kept my 60 macro because the IBIS works well with it. The AF is a bit noisy, like the 100 but not extreme. It's fairly compact even with adapter and offers f2.8 at a nice ~100 mm effective FL. IBIS makes it a nice hand held lens and its still very sharp for both macro and distance. I've gotten some nice mosquito on flower images.

I just purchased a Neewer brand EF-RF adapter that has a small removable tripod mount. This works well with the 100 and 60 macros and has a good fit. Without the tripod mount it is an oz lighter than the Canon.

Edited on Jul 24, 2024 at 12:28 PM · View previous versions



Jul 24, 2024 at 11:06 AM
Gochugogi
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p.1 #12 · p.1 #12 · EF 100L Macro vs RF 100L Macro (IS Question)


AmbientMike wrote:
I know, but how exactly do you know if you need it or not? My understanding is it's only needed in a certain distance. Besides it's one more thing to think about as I move closer


Not that hard. SA isn't needed at macro or semi-macro distances. Only at "portrait" range of about 2 meters (focus is slightly behind). No problems further out. I mainly use the lens for macro and landscape so I've never encountered the focus shift except in testing at that particular distance. I probably would have never noticed the shift if it wasn't for posts on this forum when I first bought it (I tend to stop down for increased DOF). Now if you were a portrait shooter you'd be dealing with it everyday (albeit too sharp a lens for portraits).

I agree with Jeff, the EF-S 60 2.8 USM is wonderful on the R7: compact, fast to focus and deadly sharp. I personally found 100mm too long most of the time on the R7 for macro—end up with my back in the bushes.



Jul 24, 2024 at 12:00 PM
ISO1600
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p.1 #13 · p.1 #13 · EF 100L Macro vs RF 100L Macro (IS Question)


Thank y'all for the suggestion of the 60, I keep forgetting about it. I was using Tamron 180 on R8, I'm mostly shooting small animals and bugs so the working distance is a big plus, but I think the 60 would work for me on the R7's dense sensor.


Jul 24, 2024 at 03:47 PM
ISO1600
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p.1 #14 · p.1 #14 · EF 100L Macro vs RF 100L Macro (IS Question)


And yeah, I guess it does make sense that even on the RF lenses the Stabilizer is essentially always on, but the new motors are so much quieter than the old stuff.


Jul 24, 2024 at 04:06 PM







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