Canon RF 28-70mm f/2L USM Lens

BH #CA28702LRF • MFR #2965C002
Canon RF 28-70mm f/2L USM Lens
Key Features
  • RF-Mount Lens/Full-Frame Format
  • Aperture Range: f/2 to f/22
  • Ultra-Low Dispersion Elements
  • Ring-Type Ultrasonic Motor AF System
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Combining the versatility of a zoom with the speed typically reserved for a prime, the Canon RF 28-70mm f/2L USM is a wide-angle to portrait-length lens distinguished by its impressively unique f/2 constant maximum aperture. This bright design yields excellent low-light performance along with enhanced control over depth of field for isolating subject matter. Ultra-Low Dispersion glass is employed in the optical design, and greatly reduces color fringing and chromatic aberrations in order to realize high clarity and color accuracy. Complementing the advanced optical properties is Canon's proven ring-type Ultrasonic Motor, which delivers fast and quiet autofocus performance along with full-time manual focus control. Additionally, unique to RF lenses, this 28-70mm incorporates a configurable Control Ring for intuitively adjusting exposure settings, including ISO, aperture, and exposure compensation, from the lens itself.
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Canon RF 28-70mm f/2L USM Overview

Combining the versatility of a zoom with the speed typically reserved for a prime, the Canon RF 28-70mm f/2L USM is a wide-angle to portrait-length lens distinguished by its impressively unique f/2 constant maximum aperture. This bright design yields excellent low-light performance along with enhanced control over depth of field for isolating subject matter. Ultra-Low Dispersion glass is employed in the optical design, and greatly reduces color fringing and chromatic aberrations in order to realize high clarity and color accuracy. Complementing the advanced optical properties is Canon's proven ring-type Ultrasonic Motor, which delivers fast and quiet autofocus performance along with full-time manual focus control. Additionally, unique to RF lenses, this 28-70mm incorporates a configurable Control Ring for intuitively adjusting exposure settings, including ISO, aperture, and exposure compensation, from the lens itself.

Standard wide-angle to short-telephoto zoom lens is designed for use with full-frame Canon RF-mount mirrorless cameras.
Impressively bright f/2 maximum aperture maintains consistent illumination throughout the zoom range and suits working in low-light conditions as well as affords increased control over depth of field for working with selective focus techniques.
Ultra-Low Dispersion (UD) elements are featured in the optical design, and help to suppress color fringing and chromatic aberrations in order to achieve greater clarity and color accuracy throughout the zoom range.
A ring-type Ultrasonic Motor (USM), along with an internal focusing design, optimized focusing algorithms, and a high-speed CPU, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation.
As a member of the esteemed L-series, this lens has a weather-resistant design that protects against dust and moisture to enable its use in inclement conditions.
Rounded nine-blade diaphragm contributes to a pleasing bokeh quality.
UPC: 013803304824

Canon RF 28-70mm f/2L USM Specs

Focal Length28 to 70mm
Maximum Aperturef/2
Minimum Aperturef/22
Lens MountCanon RF
Format CompatibilityFull-Frame
Angle of View75° to 34°
Minimum Focus Distance1.28' / 39 cm
Maximum Magnification0.18x
Optical Design19 Elements in 13 Groups
Diaphragm Blades9, Rounded
Focus TypeAutofocus
Image StabilizationNone
Filter Size95 mm (Front)
Dimensions (ø x L)4.09 x 5.5" / 103.8 x 139.8 mm
Weight3.15 lb / 1430 g
Packaging Info
Package Weight4 lb
Box Dimensions (LxWxH)10.5 x 6 x 6"
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how bad is the focus breathing?

how bad is the focus breathing?
Asked by: patrick
Focus breathing on this drives me nuts, it isn't bad, but it isn't minimal as other have said, granted, the worst part is jumping in that close range (1' to 4'). So if you are using this for vlogging, and move around, it is bad. But using it at my kids concert this week, it doesn't do bad at the longer focus distances, even though that was still more than a 20' focus change on the stage, at 30' away.
Answered by: Samuel
Date published: 2021-03-05

How does this lens differ from the RF 24-70mm ...

How does this lens differ from the RF 24-70mm F2.8 aside from the obvious F .8 advantage but 4mm disadvantage and lack of IS? But also it is significantly more costly.
Asked by: Robert
The main difference is the one f-stop advantage, which is considerable, for low-light performance. It's also the only lens in this range made for any camera with an f/2 aperture.
Answered by: Boyd
Date published: 2021-02-04

How do you recommend to mount this lens + body on ...

How do you recommend to mount this lens + body on a tripod? The center of gravity of the assembly seems well toward the front. And is the RF mount strong enough to simply attach the body with a plate to the tripod?
Asked by: Ludovic
The mount itself is built like a tank. I have a battery grip on my EOS R, so it was not off balance when I was shooting handheld. I have put it on a tripod but I had to weight the tripod up (hanging my camera bag). It depends on you tripod weight.. However, I rather shoot handheld with this set up.
Answered by: Ryan
Date published: 2021-01-20

My local camera shop didn't have any 95 mm ...

My local camera shop didn't have any 95 mm filters in stock, so I went to Best Buy to pick up something while I wait for my filter to come in. My question (concern) for others, is my lens hood doesn't seem to fit properly now that the filter is on. I can see/feel a slight lip larger then the barrel of the lens and I'm sure that this is what's causing the hood from not going on without a fight. Does anyone else have filters on them and/or have this problem? I'm hoping it is isolated to this particular filter.
Asked by: Jonathan
You should not have a issue if you use proper filter , like B+W
Answered by: vilson
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Is this lens par focal?

Is this lens par focal?
Asked by: patrick
This lens is parfocal.
Answered by: Luis L
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Will the ronin S gimbal be able to hold this up?

Will the ronin S gimbal be able to hold this up?
Asked by: Gary
I have no problem using the R5 with the adapter and my standard EF lenses. I use a bracket to hold my 7" monitor directly to the Ronin-S and not to the camera. The weight difference is about 15 oz more when comparing the RF 28-70 to the EF 24-70 with adapter while the weight difference between the 5D (800 grams) and the R5 (738 grams) approx 2 oz makes the difference 13oz. I have also used the Ronin-S with my 5D and EF 11-24 lens which is very close to the R5/EF28-70 combination.
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What is the size of the standard lens hood?

What is the size of the standard lens hood?
Asked by: David
Lens hood # EW-103 is included .
Answered by: Shalom
Date published: 2020-10-20

When zooming does the barrel extend and retract ...

When zooming does the barrel extend and retract like the RF 70-200?
Asked by: Robert
Yes, the lens has internal focus but does not have internal zoom.
Answered by: Rob
Date published: 2020-10-20
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