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Hi Mike...
As I recall, you already have the RF 100-500, correct? What are the EF lenses you would swap out.
Regarding the conversion in general, the advantages I see of RF lenses:
- A few of them offer dual AF motors which does, IMO, lead to faster AF. This does include the RF 24-105 f/2.8. Having used this lens since it was released, it is exceptional. This also includes the RF 100-300 f/2.8. Neuro and Jonathan are both using this lens and it looks like a stellar piece of kit.
- Video. EF glass typically had USM motors, which makes a slight clicking sound that you can hear in video. It is not necessarily loud and I've asked people about it and it does seem that I am the one that notices it. But. the motors in RF lenses are much quieter if not silent. This was the primary reason I picked up the 24-105 f/2.8.
In terms of IQ, there are some lenses that are better, but are they noticeably better? I tend to think not. A few examples:
IQ is often a push between the generation of lens mounts, IMO. Canon is on record as saying they have been designing for higher MP cameras for a while.
That said, there are some RF lenses with no real EF equivalent, like the RF 28-70 f/2, the RF 100-300 f/2.8, RF 10-20, etc.
As I have been thinking about my RF lens transition (going to hold off at least 1 more year), a killer RF kit, IMO would be (with my order of preference if I was building a kit from nothing):
- UWA: 1) RF 10-20, or 2) RF 14-35 or 3) RF 15-35
- Light weight UWA: RF 16 f/2.8 (I am already using this for my "just in case" UWA lens while traveling)
- Astro lens...please
- General purpose range: 1) 24-105 f/2.8, 1a) 28-70 f/2 (I am becoming more tempted by this lens), 3) 24-70 f/2.8, or 4) 24-105 f/4
- Portrait: 1) RF 85 f/1.2, 2) RF 70-200 f/2.8, or 3) RF 50 f/1.2 and/or RF 135 f/1.8.
- General Purpose/lighter weight Telephoto: RF 100-500, and distant 2) one of the 70-200s, mostly if size/weight are important
- Large wildlife: 100-300 f/2.8
- Wildlife: 100-300 f/2.8 with 1.4x TC (and really, even at 600 mm with a 2x tc, this is not bad, mostly AF speed)
- Birds: RF 200-800
Edit--of course, the RF 400 f/2.8, EF 600 f/4 fall into this category.
I do wonder if I will ever fully transition. But I do not want to be stuck traveling with 2 RF lenses, an EF lens or two and then realize I forgot an adapter. I would prefer to be strongly in one camp or another. Thus, I do suspect I will migrate in a year or two.
What I am waiting on can be found in my RF lens wishlist. That said, I have three of the lenses on my list: RF 16 f/2.8, RF 24-105 f/2.8, and RF 200-800. "Transitioning" may not be that big of deal in a year or two.
Last edited by Kayaker72; Yesterday at 10:49 AM.
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