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Products >> All Products Key Features of RF Lenses- Part15

RF24-105mm f/4-7.1 IS STM: A Versatile Standard Zoom Lens that Even Shoots Macro

2020-02-13
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12.78 k
In this article:

On 13 February 2020, Canon announced the RF24-105mm f/4-7.1 IS STM, a new standard zoom lens for the RF mount. Covering the 24mm to 105mm focal range and weighing a mere 395g, the lens offers further portability to match Canon’s EOS R full-frame mirrorless camera series.

1) Small, light and versatile
2) What the zoom range can do
3) Amazing macro capabilities
4) Fast, smooth and quiet AF, perfect for both stills and video
5) Key specifications
6) Sample images

 

305g lighter than the RF24-105mm f/4L IS USM

While the current RF lens lineup includes three excellent existing lenses that cover the 24mm to 70mm focal range (the RF24-70mm f/2.8L IS USM and RF24-105mm f/4L IS USM standard zoom lenses and one superzoom lens, the RF24-240mm f/4-6.3 IS USM), many photographers desire a lens that is smaller and lighter than any of the three. 

Enter the new RF24-105mm f/4-7.1 IS STM, which comes in a compact, lightweight form factor that perfectly complements relatively small and light full-frame mirrorless cameras like the EOS R and EOS RP. With this, users can look forward to a lighter load and additional convenience, regardless of whether they are exploring the sights and sounds of a foreign town, or shooting more familiar subjects closer to home.

EOS RP mounted with RF24-105 f/4-7.1 IS STM on a leather suitcase

The EOS RP with the RF24-105mm f/4-7.1 IS STM attached. The RF24-105mm f/4-7.1 IS STM is as much as 305g lighter than its fixed aperture counterpart, the RF24-105mm f/4L IS USM. This will appeal to users who prioritise comfort and portability, especially if they tend to walk around for long hours with their gear. 

 

The secret to excellent image quality within a compact body lies in the rearmost lens

RF24-105mm f/4-7.1 IS STM extends and retracts when you zoom in and out. Its maximum diameter is 76.6mm, which, combined with its 88.8mm length when fully retracted (to the wide-angle end), makes it relatively compact compared to the RF24-105mm f/4L IS USM (see below).

Illustration showing weight and dimensions of both RF24-105mm lenses

 

 

Lens mount (lens side)

The rearmost lens element is larger than on traditional lenses—take a look and see for yourself!

How was Canon able to achieve image quality on this lens even with its small, lightweight body? One of the secrets lies in the large-diameter rearmost lens element.

One key to designing a lens with minimal aberration is to reduce diffraction by making light waves bend more gently. This is achieved by using a bigger rearmost lens element.

Doing so was possible on the RF24-105mm f/4-7.1 IS STM because of the unique RF mount design with its large mount diameter and short back focus distance. As a result, the RF24-105mm f/4-7.1 IS STM achieves sharp corner-to-corner resolution with minimal aberrations.

 

Boulevard with golden decorative lights at night

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 28mm/ Aperture-priority AE (f/5, 1/10 sec, EV+0.3)/ ISO 800/ WB: Auto

 

An almighty zoom range

3 images showing angle-of-view at 24mm, 50mm, 105mm

The versatile 24mm to 105mm zoom range of the RF24-105mm f/4-7.1 IS STM gives you the flexibility to frame your image to suit your creative vision. Below is an example of what’s possible:

24mm (wide-angle end)
- Grand landscapes
- Images that take advantage of the wide-angle perspective exaggeration effect
- Building interiors and other large subjects where you don’t have much space to move

35 to 50mm
- Street photography
- Scenes where you want to achieve the point-of-view effect

70 to 105mm (mid-telephoto range)
- Portraits
- Still life 
- Product photography
- Any other scene where you want to preserve the shape of the subject as faithfully as possible
- Portraits with background bokeh (the telephoto perspective compression effect makes bokeh look more intense)

The ability to handle such a wide range of subjects with just one lens is what makes the RF24-105mm f/4-7.1 IS STM such an excellent choice for a travel lens or an everyday lens. 

 

Amazing macro capabilities

The most unique feature on the RF24-105mm f/4-7.1 IS STM is its macro photography capabilities. During AF, it is capable of up to 0.4x magnification, which is enough to make a business card fill the screen on the 105mm telephoto end. This makes it good for close-ups of flowers, food and other small items.

Users can get even closer during manual focusing, which achieves up to 0.5x magnification on the wide-angle end even when the subject is as close as 2.5cm away from the lens (Closest focusing distance: 13cm). This allows you to use the Center Focus Macro, which provides unique wide-angle macro images that gradually melt from tack sharpness in the in-focus image centre into beautiful bokeh closer to the edges.

A macro lens is usually defined as one capable of 0.5x magnification or more, which means that the RF24-105mm f/4-7.1 IS STM is effectively capable of performing like one. Adding that to the list of scenes that the lens is already capable of handling makes an impressive resume indeed.

Up to 0.4x magnification at 105mm

Close-up of marbles in glass jar

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 105mm/ Aperture-priority AE (f/7.1, 0.5 sec, EV+1)/ ISO 100/ WB: Auto

 

0.5x magnification when manual focusing at 24mm (Center Focus Macro)

Wide-angle macro 
EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 24mm/ Manual exposure (f/4, 1/5 sec)/ ISO 100/ WB: Color temperature - 5000K
 

105mm (AF/MF)
Closest focusing distance: 0.34m
Maximum magnification: 0.40x

24mm (AF)
Closest focusing distance: 0.20m
Maximum magnification: 0.21x

24mm (MF)
Closest focusing distance: 0.13m
Maximum magnification: 0.50x

 

Close-up of colourful straws

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 24mm/ Manual exposure (f/4, 1/20 sec)/ ISO 100/ WB: Auto/ MF at 0.5x magnification

Illustration of subject distance from lens from closest focusing distance of 130mm

During MF, the closest focusing distance is 13cm. This means that the subject can be as close as around 2.5cm away from the front of the lens and still be in focus.

* To activate MF, switch the focus mode in the camera menu.

 

Seamless video footage with image stabilisation and speedy AF

Did you know that the RF24-105mm f/4-7.1 IS STM can achieve one of the fastest AF speeds possible on current RF lenses?

Its focusing unit, consisting of lightweight focusing lenses, is driven by the fast but smooth-moving and quiet lead-screw STM for optimal motor control. This results in fast AF during still shooting, and seamless, quiet AF tracking during video shooting.

Street tram

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 70mm/ Aperture-priority AE (f/6.3, 1/800 sec, EV +2/3)/ ISO 200/ WB: Auto

The lens supports Dual Sensing IS (image stabilisation), which uses camera shake information from the gyro sensors in the lens as well as image data acquired by the CMOS image sensor in the camera body for more precise and accurate image stabilisation. This makes the lens capable of up to 5 shutter speed stops’ equivalent image stabilisation—the perfect aid to achieve sharp, blur-free images when shooting stills by hand indoors or in places with dim lighting.

For video shooting, the lens supports Combination IS, which uses the in-lens IS as week as the 5-axis in-camera digital IS system to effectively correct significant shaking. As a result, handheld footage is smoother and of higher quality than ever.

 

RF24-105mm f/4-7.1 IS STM

Key specifications
Lens construction: 13 elements in 11 groups
Closest focusing distance: 0.13m (MF)
Maximum magnification: 0.50x (MF)
No. of aperture blades: 7 (circular blade)
Filter diameter: 67mm
Size: φ76.6 x 88.8mm
Weight: approx. 395g

 

 

Lens hood: EW-73D (sold separately)

Lens hood EW-73D

 

Watch this video to learn more about this new lens and Centre Focus Macro!

 

Sample images

Lady with fruits and vegetables in supermarket

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 24mm/ Aperture-priority AE (f/4.5, 1/200 sec)/ ISO 1600/ WB: Auto

 

Back alley

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 50mm/ Aperture-priority AE (f/5, 1/320 sec, EV -1/3)/ ISO 800/ WB: Shade

 

Close up of flower with bokeh circles

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 24mm/ Manual exposure (f/4, 1/80 sec)/ ISO 100/ WB: Auto/ MF at 0.5x magnification

 

Portrait of lady by window

EOS RP/ RF24-105mm f/4-7.1 IS STM/ FL: 105mm/ Aperture-priority AE (f/7.1, 1/50 sec)/ ISO 800/ WB: Auto

 

Find out more about RF lens technology and the other RF lenses in:
In Focus: RF Lenses

Can't decide whether to buy the EOS R or EOS RP? Check out:
EOS R vs EOS RP: Which to Choose?

 

 


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