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Canon RF 24-70mm f/2.8L Aperture Series @ 42mm: Bonsai Juniper Over Beaver Pond

This aperture series from f/2.8 to f/11 is with the Canon RF 24-70mm f/2.8L IS USM at 42mm. With very fine detail and a distant background, we get a look at peak sharpness and also background rendering.

Canon RF 24-70mm f/2.8L Aperture Series @ 42mm: Bonsai Juniper Over Beaver Pond

Includes images from f/2.8 to f/11 up to full camera resolution.

CLICK TO VIEW: Canon RF lenses

Bonsai Juniper Over Beaver Pond
Bonsai Juniper Over Beaver Pond
f5.6 @ 1/5 sec EFC shutter, ISO 100; 2021-11-03 17:46:10
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 42mm
ENV: Lundy Canyon, altitude 8200 ft / 2499 m, 45°F / 7°C
RAW: LACA corrected, vignetting corrected, pull 0.6 stops, +20 Whites, +10 Clarity, diffraction mitigating sharpening

[low-res image for bot]

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Canon RF 24-70mm f/2.8L Aperture Series @ 24mm: Snowy Trail to Kearsarge Pass

This aperture series from f/2.8 to f/1 is with the Canon RF 24-70mm f/2.8L IS USM at 24mm. The scene is very "3D" and thus any focus shift behavior is bound to favor some areas over another, and only focus placement determines what is to be optimized. How does it all work out, given my best guess at focus placement?

Canon RF 24-70mm f/2.8L Aperture Series @ 24mm: Snowy Trail to Kearsarge Pass

Includes images from f/2.8 to f/11 up to full camera resolution.

CLICK TO VIEW: Canon RF lenses

Snowy Trail to Kearsarge Pass
Snowy Trail to Kearsarge Pass
f9 @ 1/500 sec EFC shutter, ISO 100; 2021-11-08 15:22:50
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 24mm
ENV: Kearsarge Pass trail, altitude 10400 ft / 3170 m, 45°F / 7°C
RAW: LACA corrected, vignetting corrected, push 0.22 stops, +20 Whites, +20 Clarity, diffraction mitigating sharpening

[low-res image for bot]

Canon RF 24-70mm f/2.8L Aperture Series @ 50mm: Pine Creek Tungsten Mine, Aerial View

This aperture series from f/2.8 to f/11 is with the Canon RF 24-70mm f/2.8L IS USM at 50mm. The chosen scene is outstanding for evaluating sharpness across the frame at far distance.

Canon RF 24-70mm f/2.8L Aperture Series @ 50mm: Pine Creek Tungsten Mine, Aerial View

Includes images from f/2.8 to f/11 up to full camera resolution.

Zooms always have compromises. For the picky landscape photographer, this one is no exception.

See also the same scene with the Canon RF 50mm f/1.8 STM.

CLICK TO VIEW: Canon RF lenses

Pine Creek Tungsten Mine, Aerial View
Pine Creek Tungsten Mine, Aerial View
f5.6 @ 1/640 sec EFC shutter, ISO 100; 2021-11-05 14:26:40
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 50mm
ENV: Pine Creek, altitude 8400 ft / 2560 m, 45°F / 7°C
RAW: LACA corrected, vignetting corrected, +50 Shadows, +20 Whites, +20 Clarity

[low-res image for bot]
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Canon RF 50mm f/1.8 STM Aperture Series: Pine Creek Tungsten Mine, Aerial View

While I doubt that many of my readers are looking for a 50mm f/1.8 for Canon mirrorless, I’d rather be thorough and confirm my conclusions with more than one series. Then I never need revisit the issue. This scene is excellent for showing just how the lens performs.

The Canon RF 50mm f/1.8 STM is a diminutive lens of only 160 grams. It therefore has potential as an ultralight lens for the backpacker/hiker, as with this view high up the trail to Pine Creek Lake. Can it deliver the goods?

Canon RF 50mm f/1.8 STM Aperture Series: Pine Creek Tungsten Mine, Aerial View

Includes images from f/1.8 to f/11 up to full camera resolution.

See also the same scene with the Canon RF 24-70mm f/2.8L.

CLICK TO VIEW: Canon RF lenses

Pine Creek Tungsten Mine, Aerial View
Pine Creek Tungsten Mine, Aerial View
f8 @ 1/320 sec EFC shutter, ISO 100; 2021-11-05 14:28:46
Canon EOS R5 + Canon RF 50mm f/1.8 STM
ENV: Pine Creek, altitude 8400 ft / 2560 m, 45°F / 7°C
RAW: LACA corrected, +50 Shadows, +20 Whites, +20 Clarity

[low-res image for bot]
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Canon EOS R5: Inconsistent Focus with Canon RF 50mm f/1.8 STM, and Maybe Other Lenses Too

The Canon EOS R5 has erratic results with autofocus on the Canon RF 50mm f/1.8 STM, and likely the same problem with the Canon RF 35mm f/1.8 STM. Perhaps with other lenses as well, because I have enough unexplained backfocus results that I have no other good explanation.

Issue: the camera focuses correctly on the first attempt, but initiating autofocus again (shutter AF or AF-ON) delivers a backfocused image that leaves the subject visibly blurred.

Inconsistent Focus with Canon RF 50mm f/1.8 STM

I shown an example, with crops.

CLICK TO VIEW: Canon RF lenses

Aeriel view of Pine Creek Tungsten Mine
Aeriel view of Pine Creek Tungsten Mine
f1.8 @ 1/6400 sec EFC shutter, ISO 100; 2021-11-05 14:29:16
Canon EOS R5 + Canon RF 50mm f/1.8 STM
ENV: Pine Creek, altitude 8400 ft / 2560 m, 45°F / 7°C
RAW: LACA corrected, vignetting corrected, pull 0.5 stops, +50 Shadows, +20 Whites, +20 Clarity

[low-res image for bot]
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Analog sound in/out and Optical sound out

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Canon RF 24-70mm f/2.8L Aperture Series @ 27mm: Gilbert Lake and High Peaks

This aperture series from f/2.8 to f/8 is with the Canon RF 24-70mm f/2.8L IS USM at 27mm use a typical landscape scene to show the overall performance near to far, and especially how the pronounced forward focus shift can be dealt with for best results.

Canon RF 24-70mm f/2.8L Aperture Series @ 27mm: Gilbert Lake and High Peaks

Includes images from f/2.8 to f/8 at up to full camera resolution, plus crops.

CLICK TO VIEW: Canon RF lenses

Gilbert Lake and High Peaks
Gilbert Lake and High Peaks
f5.6 @ 1/500 sec, ISO 100; 2021-11-08 14:08:25
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 27mm
ENV: Gilbert Lake, altitude 10400 ft / 3170 m, 45°F / 7°C
windy

[low-res image for bot]

OWC Atlas S Pro SDXC Camera Cards — Ultra High Flash Durability, Ultra High Speed, 5-Year Warranty + special introductory pricing

OWC Atlas S Pro SDXC
OWC Atlas S Pro SDXC

I’ve been a user/fan of OWC products for 15 years or so. Outstanding products like the OWC Thunderbay, OWC Thunderblade, OWC Accelsior 4M2, OWC Mercury Elite Pro, OWC Envoy Pro SX, and many more.

Very recently OWC introduced a line of SDXC camera cards. Some are on the way to me for evaluation, and I will report back when I’ve had a chance to use them.

Exceptional sustained write speed along with a 5-year warranty and enterprise-grade flash durability make these look quite attractive.

OWC tells me that the write speed can be sustained across the entire card capacity, which many cards cannot do, even ultra-fast CFExpress Type A cards. I will verify the performance when I have the cards for testing.

Pricing shown below is an introductory “doorbuster” instant-rebate price through Nov 29, for example $100 off the 256GB OWC Atlas S Pro SDXC card. Pricing thru Nov 30.

One thing I could do without is the write-lock tab, but OWC has included it, as with nearly all SDXC cards (Sony TOUGH cards omit it).

PROFESSIONAL GRADE PERFORMANCE WITH PREMIUM QUALITY RELIABILITY FOR PHOTOGRAPHERS AND VIDEOGRAPHERS

  • Pro speed: Up to 276MB/s write and 290MB/s read real world speeds for shooting high-resolution photos, burst photo sequences, and recording up to 8K video
  • Advanced: utilizes pSLC technology to provide consistent leading-edge performance, endurance, and reliability
  • Efficient: fast write speeds let you offload data to computer for immediate file access and quicker post-production
  • Tough: Impact, bend, shock, ESD, UV ray, and x-ray resistant
  • Supportive: fully compatible with wide variety of DSLR, mirrorless, 360-degree, VR, and cinema cameras
  • Flexible: backwards compatible with UHS-I SD devices and readers
  • 5 Year OWC Limited Warranty

HIGHEST ENDURANCE WITH CONSISTENTLY FAST PERFORMANCE

To transition from capture to ingest with maximum efficiency, you need renowned OWC advanced storage technology trusted by professionals. At the heart of each OWC Atlas S Pro card lies advanced pseudo Single-Level Cell (pSLC) flash memory. This near enterprise-grade feature offers up to 10X higher memory endurance than common SD cards to protect your irreplaceable shots and footage. Additionally, you’ll enjoy up to 276MB/s write and up to 290MB/s read consistent performance over the card’s entire capacity. Start fast. Finish fast. No worries. That’s the Atlas S Pro difference.

TRUTH IN NUMBERS

Big theoretical performance numbers are certainly eye-catchers, but they are misleading when your workflow requires real-world speed. That’s why we take the extra time to run OWC flash storage solutions through intensive performance testing and share our test setup and parameters. Truthfully listing Atlas S Pro cards for reliable performance up to 276MB/s write and 290MB/s read speeds defines our commitment to the “OWC Difference” which ensures you’ll be completely satisfied these SD UHS-II cards will deliver the performance you are counting on.

SHOOT, STORE, AND SWAP WITHOUT LIMITS

OWC Atlas S Pro cards shrug off the toughest environmental challenges including x-rays, UV rays, shocks, drops, and extreme temperatures. Go ahead…shoot, store, and swap. Atlas S Pro cards have your work – and your reputation – well protected.


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Canon RF 24-70mm f/2.8L Aperture Series @ 24mm: Cottonwoods along Irrigation Ditch

This aperture series from f/2.8 to f/8 is with the Canon RF 24-70mm f/2.8L IS USM at 24mm. It discusses overall performance, and especially the forward focus shift which affects all of the zoom range.

Focus position was chosen to optimize total sharpness, and this is explained as to why/how.

Canon RF 24-70mm f/2.8L Aperture Series @ 24mm: Cottonwoods along Irrigation Ditch

Includes images from f/2.8 to f/11 at up to full camera resolution, plus crops.

CLICK TO VIEW: Canon RF lenses

Cottonwoods along Irrigation Ditch
Cottonwoods along Irrigation Ditch
f8 @ 1/40 sec EFC shutter, ISO 100; 2021-11-06 17:26:58
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 24mm
ENV: Bishop CA, altitude 4000 ft / 1219 m, 72°F / 22°C
RAW: LACA corrected, vignetting corrected, push 0.33 stops, +100 Shadows, -100 Highlights, +40 Whites, +20 Clarity

[low-res image for bot]

Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Curious Cattle under Cottonwoods

I like to confirm results on different scenes, to see consistency of behavior. That gives a high degree of confidence in findings.

This aperture series from f/2.8 to f/8 with the Canon RF 24-70mm f/2.8L IS USM at 70mm confirms a pronounced forward focus shift as seen in Cottonwoods and Cattle, but it is even more obvious.

Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Curious Cattle under Cottonwoods

Includes images from f/2.8 to f/8 at up to full camera resolution, plus crops.

CLICK TO VIEW: Canon RF lenses

Curious Cattle under Cottonwoods
Curious Cattle under Cottonwoods
f8 @ 0.5 sec EFC shutter, ISO 100; 2021-11-06 17:54:05
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 70mm
ENV: Bishop CA, altitude 4000 ft / 1219 m, 72°F / 22°C
RAW: LACA corrected, vignetting corrected, pull 0.33 stops, +30 Shadows, +40 Whites, +20 Dehaze, +10 Clarity, diffraction mitigating sharpening

[low-res image for bot]

Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Cottonwoods and Cattle

This aperture series from f/2.8 to f/11 with the Canon RF 24-70mm f/2.8L IS USM at 70mm shows a pronounced forward focus shift similar to that found at 56mm and at 43mm.

Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Cottonwoods and Cattle

Includes imagesfrom f/2.8 to f/11 at up to full camera resolution, plus crops.

If you’re shooting the Canon RF 24-70/2.8L, this is a must-read for understanding how much you will lose without compensating the focus shift.

CLICK TO VIEW: Canon RF lenses

Cottonwood and Cattle, Bishop CA
Cottonwood and Cattle, Bishop CA
f8 @ 1/160 sec EFC shutter, ISO 100; 2021-11-06 16:54:34
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 70mm
ENV: Bishop CA, altitude 4000 ft / 1219 m, 75°F / 23°C
RAW: LACA corrected, vignetting corrected, +50 Shadows, +20 Whites, +20 Dehaze, +10 Clarity, diffraction mitigating sharpening

[low-res image for bot]

Upgrade the memory of your 2020 iMac up to 128GB

Need up to 64TB SSD in a Compact Enclosure? OWC Mercury Pro U.2

I wasn’t aware that the state of the art had now risen to 64TB in a single relatively compact external Thunderbolt/USB-C enclosure.

OWC Mercury Pro U.2 Dual for up to 16TB U.2 SSD, or 64TB NVMe M.2

Granted, few photographers need 64TB of any kind, but some do, and videographers certainly can make use of it once 8K is being used (eg film industry).

And if you have the bucks, what a nice solution to get rid of hard drive noise!

I’d love to have one huge 32TB or 64TB SSD for convenience, but it’s not in my budget. But I have something in the same genre: on my 2019 Mac Pro I have OWC Mercury Accelsior 4M2 16TB PCIe SSD, dual 8TB OWC Thunderblade, and one 8TB internal Apple SSD).

And as of today, you can configure a 16TB unit for only about $2400, using the 0TB enclosure and dual 8TB U.2 SSD at $978 each.


Upgrade the memory of your 2020 iMac up to 128GB

Canon RF 24-70mm f/2.8L Aperture Series @ 56mm: Cottonwoods and Cattle

This aperture series from f/2.8 to f/11 with the Canon RF 24-70mm f/2.8L IS USM at 56mm shows a pronounced forward focus shift which has major implications for total image sharpness unless it is compensated-for. Results here were confirmed with other series over the zoom range—consistently strong focus shift.

Canon RF 24-70mm f/2.8L Aperture Series @ 56mm: Cottonwoods and Cattle

Includes images from f/2.8 to f/11 at up to full camera resolution, plus crops.

If you’re shooting the Canon RF 24-70/2.8L, this is a must-read for understanding how much you will lose without compensating the focus shift.

CLICK TO VIEW: Canon RF lenses

Cottonwood Trees, Bishop CA
Cottonwood Trees, Bishop CA
f8 @ 1/125 sec EFC shutter, ISO 100; 2021-11-06 16:59:43
Canon EOS R5 + Canon RF 24-70mm f/2.8L IS USM @ 56mm
ENV: Bishop CA, altitude 4000 ft / 1219 m, 75°F / 23°C
RAW: LACA corrected, vignetting corrected, pull 0.33 stops, +20 Whites, +10 Clarity

[low-res image for bot]

Ease Into Medium Format with the Fujifilm GFX-50R for just $2999 ($1500 off)

re: The Camera Market is Down to Two 35mm Format Contestants: Sony A1 and Canon TBD
re: Sony A7R IV: Which High-Speed and High-Capacity SDXC Cards Are Best?

Fujifilm GFX-50R

Too pricey to take the $6000 plunge with the Fujifilm GFX100S ?

Ease into Fujifilm medium format at a 35mm price, with the Fujifilm GFX-50R, now $2999 (discounted $1500, $500 more than last month). See items below.

That’s less than the Sony A7R IV sold for most of its tenure.

Add one lens to start, either the Fujifilm GF 50/3.5, or the Fujifilm GF 30/3.5. Enjoy. Make sure to use the B&H Payboo card to save the sales tax in most states.

Hopefully the $500 discounts that have been seen repeatedly last year will crop up again soon; bookmark the Fujifilm medium format wishlist page and check it periodically.

Thunderbolt 4 Dock

Thunderbolt 4 hub and ports!

Any Mac with Thunderbolt 3.


Black Friday: Top Computer Accessory Picks, Macs on Sale

Useful stuff and great deals.

Examples below.

Macs and Computer Accessories
Upgrade Your Mac Memory
At much lower cost than Apple, with more options.
Lloyd recommends 64GB for iMac or Mac Pro for photography/videography.

Black Friday and Holidy Deals at B&H Photo

Consult with Lloyd on computers/backup/cameras/etc.

The end of the tax year is coming, so get your gear soon to be assured of writing it off as a Section 179 business expense for 2021; supply chain issues might make it difficult to receive gear by end of year. Gear must be in service by end of year to qualify; consult a tax pro for more information.

Thank you for buying through these links, or any links to B&H Photo or OWC/MacSales.com on this site. You can click through and then add whatever you want in the same browser session and I still get credit.

For interactive advice, B&H Photo now has a free video chat and demo service.

DIGLLOYD-curated deals

Updated daily, these pages search the B&H site for deals every day.

Top Deals | Wishlists | Search for deals

The many top deals pages show the best deals in various areas, and you can search by brand or search by category with a savings cutoff and keywords.

The many wishlists are equally useful for one-click access to key products on each platform.

Computing Suggestions Aimed at Photographers and Videographers— Macs, Storage, Connectivity

Some brief comments and notes below with each category.

Be sure to check out OWC holiday deals on all things computing and iPhone/iPad, and see OWC early Black Friday Deals...

Hard drives | External SSD | Internal SSD | Docks and Ports | Pre-Owned Macs

See also: B&H Photo Black Friday deals page.

Macs

We are in a transition time to the Apple M1 Macs. I expect to receive the Apple MacBook Pro M1 Max for review around December 20.

Apple 16-inch MacBook Pro M1 Max: a Few Things To Note for Photographers
Bang for the Buck: $2899 for a Loaded iMac 5K with Gorgeous Display, or $5K for an Apple MacBook Pro M1X?

Please buy Macs through any link on this site—thanks! And SAVE the sales tax at B&H too!

If you need a powerful Mac now, get the iMac 5K, specifically one of these configurations. Buy it with 8GB memory, then add 128GB of OWC memory. 128GB will serve you exceptionally well for many years to come.

CLICK TO VIEW: Apple MacBook Pro 16" with M1 Max chip

CLICK TO VIEW: 4K and 5K external displays

Memory

Load up your iMac with 128GB as 4 X 32GB, or your Mac Pro up to 1536GB!

Big and fast SSDs

Eliminate the 'spinners' for a silent environment where disk speed disappears as a factor.

With high-capacity SSDs, you are bascially paying for the flash modules as the primary cost-driver. While expensive compared to hard drives, they are silent and should deliver years of trouble-free use.

I use one 16TB OWC Accelsior 4M2 as my primary storage on my 2019 Mac Pro.

I have two of the 8TB OWC Thunderblades. Outstanding for external fast storag that can be carried to/from job sites or just used daily!

Hard drives

I use 14TB and 18TB Toshiba drives. They are fast, quiet, and I’ve never had a failure.

See: Big and Fast Hard Drive for Photography and Videography

I use five OWC Thunderbay 4 units for backups (now that my main storage is all SSD). Cost aside, no photographer need evert be concered with storage capacity!

Back from Trip, Mercedes Sprinter Fails

The morning dawned and I was plotting a high-altitude hike under the best conditions in ten days. Really awesome lighting. But 20 minutes in, my Mercedes Sprinter decided it was going to end those plans.

So I had little choice but to drive home without stopping, not even for food or fuel, as 10 starts would brick the entire vehicle.

Mercedes Sprinter Ends My Trip: “10 Starts Remaining” after OBD2 diagnostic code U010E “Lost Communication with Reductant Control Module”

I’ll be publishing of stuff on the Canon EOS R5 and its lenses soon, after a day or two of getting organized.

Clouds over Mono Lake
Clouds over Mono Lake
f1.8 @ 1/12000 sec handheld, ISO 25; 2021-11-19 10:01:47
iPhone 7 Plus + iPhone 7 Plus 4.0 mm f/1.8 @ 28mm equiv (4mm)
ENV: Lundy Road, altitude 6948 ft / 2118 m, 55°F / 12°C
RAW: LACA corrected

[low-res image for bot]

Canon RF 15-35mm f/2.8L Aperture Series @ 24mm: Ancient Log

This series from f/2.8 to f/11 shows how the rearward focus shift of the Canon RF 15-35mm f/2.8L IS USM at 24mm should be taken into account when choosing focus position for close subjects.

The lesson here is “know your lens behavior”. Doing so means that focus can be tweaked for total sharpness that is much better placed over the desired region.

Canon RF 15-35mm f/2.8L Aperture Series @ 24mm: Ancient Log

Includes images at up to full camera resolution, plus crops.

CLICK TO VIEW: Canon RF lenses

Ancient Log
Ancient Log
f11 @ 1/10 sec EFC shutter, ISO 100; 2021-11-05 15:24:25
Canon EOS R5 + Canon RF 15-35mm f/2.8L IS USM @ 24mm
ENV: Pine Creek, altitude 8400 ft / 2560 m, 50°F / 10°C
RAW: LACA corrected, vignetting corrected, +20 Whites, +10 Clarity, diffraction mitigating sharpening

[low-res image for bot]

Upgrade the memory of your 2020 iMac up to 128GB

Deals Updated Daily at B&H Photo

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