Adorama has stock of the brand new Canon RF 15-30mm f/4.5-6.3 IS STM for $549 and it's ready to ship.
Canon RF 15-30mm f/4.5-6.3 IS STM Key Features
- Equivalent to approximately 24-48mm coverage when used on cameras with APS-C size image sensors
- Excellent image quality: Highlights include two UD glass elements, one aspheric and Canon SSC
- Minimum focus distance of approx. 11″ (0.28m) (5.1″ (0.13m) in manual focus at 15mm zoom position)
- Canon STM (stepping motor) focus drive, especially suited for smooth, quiet video AF operation
- Impressively compact and light – approx. 13.7 oz (390g)
- Lens Format: APS-C, Full Frame
- Zoom Focal Length: Focal Length: 15-30mm
- Lens Type: Wide Angle Zoom Lens
Canon RF 15-30mm f/4.5-6.3 IS STM $549
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RF 15-30mm F4.5-6.3 IS STM
If you’re worried about the distortion, you’re not the target market.
When buying a lens I look for an imaging system. These days that involves a combination of optics and software. I'm not fussed by having to use software, but I'd like the software to fit into my processing flow.
Yes you get what you pay for. But IMHO Canon would create more value in their lens products by being more open and cooperative. Slick is worth more than kludgy.
While I agree that Canon's customers would be better served if Canon shared the correction data, I'm sure Canon feels they've done what they need to do by supporting a lens in their own, free software.
I'll also point out that you purchased two RF lenses with inadequate support in your selected RAW converter, so from that perspective Canon got your money without doing anything extra. :p
What you really want is someone to take those data and turn them into an algorithm that corrects the aberrations, or someone to test an actual lens using charts that enable measurement of distortion, CA, etc., and build corrections for them into a lens profile you can easily apply using your chosen software. In other words, you're asking someone to do something that requires time and labor...but you don't want to pay for it.
Sorry to tell you, that's not how the world works. Canon actually does provide those corrections for free, just shoot JPGs or use their software to process your RAW images. DxO and Adobe do provide lens profiles that work very well. Their software is not free, nor is it particularly cheap (relatively speaking).
Affinity Photo is relatively inexpensive, and relies on a free database that is built with input from the community. If your lens isn't there, you can build the profile yourself and it will be added to the database. Their statement, "Which method you choose depends on your experience and on the effort you want to spend," suggests they may include profiles generated by inexperienced people putting in shoddy effort, but that's always a risk with free, user-populated databases.
Not trying to be argumentative, but the bottom line is that you get what you pay for:
In camera corrections also probably will not happen if you use a RED camera.