Dedicated to extreme close-up imaging, the Canon RF-mount Laowa 25mm f/2.8 2.5-5X Ultra Macro from Venus Optics is a specialized macro lens for photographing subjects at magnifications greater than life-size. Operating within a 2.5:1 to 5:1 range, this lens has a minimum focus distance of just 6.8" at the 5:1 magnification along with a comfortable 1.6" working distance. This range is benefitted by the wide-angle focal length, too, in order to achieve greater depth of field compared to long focal length macro lenses. Complementing the close-up capabilities, the optical design incorporates one extra-low dispersion element to reduce color fringing and chromatic aberrations for a high degree of clarity. Additionally, distinguishing itself from other macro lenses, this 25mm f/2.8 is characterized by its notably sleek and lightweight design for easier handling and more room to work with artificial lighting.
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Key Features
- RF-Mount Lens/Full-Frame Format
- Aperture Range: f/2.8 to f/16
- One Extra-Low Dispersion Element
- 2.5:1 to 5:1 Magnification
Dedicated to extreme close-up imaging, the Canon RF-mount Laowa 25mm f/2.8 2.5-5X Ultra Macro from Venus Optics is a specialized macro lens for photographing subjects at magnifications greater than life-size. Operating within a 2.5:1 to 5:1 range, this lens has a minimum focus distance of just 6.8" at the 5:1 magnification along with a comfortable 1.6" working distance. This range is benefitted by the wide-angle focal length, too, in order to achieve greater depth of field compared to long focal length macro lenses. Complementing the close-up capabilities, the optical design incorporates one extra-low dispersion element to reduce color fringing and chromatic aberrations for a high degree of clarity. Additionally, distinguishing itself from other macro lenses, this 25mm f/2.8 is characterized by its notably sleek and lightweight design for easier handling and more room to work with artificial lighting.
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Venus Optics Laowa 25mm f/2.8 Ultra Macro Overview
Prime 25mm f/2.8 is designed for full-frame Canon RF-mount mirrorless cameras.
Specifically developed for macro photography, this lens is designed for use within a 2.5:1 to 5:1 magnification range for producing greater-than-life-size imagery. This lens does not offer infinity focus.
When at 5:1 magnification, the lens has a minimum focusing distance of 6.8" along with a working distance of 1.6", which affords sufficient room for illuminating your subject. At the 2.5:1 position, a minimum focusing distance of 9.2" is possible along with a working distance of 1.8".
Wide-angle design benefits the high magnification design by providing greater depth of field compared to telephoto or long lens designs.
Manual focus operation for precise control over focusing distance when working with close-up subjects.
One extra-low dispersion element greatly reduces chromatic aberrations and color fringing for improved clarity and color accuracy.
Eight-blade diaphragm contributes to a pleasing out of focus quality when using shallow depth of field.
Especially slim and lightweight physical design is easier to use handheld and offers more room for illuminating close-up subjects.
Venus Optics Laowa 25mm f/2.8 Ultra Macro Specs
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Venus Optics Laowa 25mm f/2.8 Ultra Macro Reviews
My First Macro Lens
By Jared
Rated 5 out of 5
Date: 2026-06-14
This was my first introduction to macro lens and photo stacking. I am now a Venus Optics Laowa fan and purchased one of their fish-eye lenses. This macro lens is a small but powerful lens that is of good construction. I am using it on my Sony camera, and it also works with the Sony 2x Teleconverter which gets you 5x to 10x magnification overall. I was also able to include the FotodioX Macro Bellows (2x magnification) to create a Frankenstein macro lens, which ended up with a 20x magnification with some minor vignetting. This is getting me ready for the Laowa Ultra-Macro lenses in the future.
Great 2nd macro lens
By Blake
Rated 5 out of 5
Date: 2025-05-20
If you are looking for your first macro lens look at some of other laowas offering, like their 2:1s. This was my second macro lens after cutting my teeth on the 60mm 2:1. Getting that extra magnification makes for some awesome shots but it definitely ups the skill requirement. My first shoot with this really highlighted some of my bad habits amd it really made me work to get better shots. My second and third sessions went much better and i love the things i can see with this lens that even my 2:1 doesn't show.
See any errors on this page?
Does the focus ring move outward with the lens as ...
Does the focus ring move outward with the lens as it extends?
Yes, the focus ring on the Venus Optics Laowa 25mm f/2.8 2.5-5X Ultra Macro Lens for Canon RF
move outward with the lens as it extends.
Date published: 2022-03-18
How can this lens be used on a Canon EF mount ...
How can this lens be used on a Canon EF mount e.g. 90D - I see only mirrorless mounts listed?
The Venus Optics Laowa 25mm f/2.8 2.5-5X Ultra Macro Lens for Canon RF is only compatible with Canon RF mirrorless camera's mount. For your Canon EOS 90D DSLR Camera, you can use the following version:
https://bhpho.to/2GfHTA7
Date published: 2024-06-02
Can you increase the brightness in the View ...
Can you increase the brightness in the View finder for this iens in canon r6? i have heard that when you increase magnification it turns very dark and difficult to see your subject.with a normal and not electronic view Finder
The viewfinder brightness on the Canon EOS R6 could be adjusted in the settings menu.
Date published: 2022-03-18
Will this work with Nikon D7500 crop senor
Will this work with Nikon D7500 crop senor
Yes, it will work with a crop sensor (Nikon DX format), but its magnification is increased from 2.5-5 to about 3.6-7.5. I use it with my D500, also DX format. Because it has such high magnification, it has very narrow depth of field, so it is a major challenge to use this lens unless you use a macro rail and focus stacking. Using it on a DX body is even more problematic, since the magnification is even higher.
Date published: 2020-03-04
Is there a focus ring on this lens to manually ...
Is there a focus ring on this lens to manually focus? I'm seeing confusing statements about the requirement of moving the camera to focus.
There is a ring that will extend the lens from out from 2.5-5x magnification. This is a prime/ fixed 25mm lens. It does not have a “focus” ring that you would find on a traditional zoom lens. You would have to move the camera to find your area of focus. This lens is best paired with a macro rail and tripod for that reason.
Date published: 2022-05-16
I know Venus Optics has a CanonFE to Micro 4/3s ...
I know Venus Optics has a CanonFE to Micro 4/3s adapter on their website and B&H don't appear to have in their catalog. Would ANY generic adapter (such as https://www.bhphotovideo.com/c/product/1413074-REG/fotodiox_eos_mft_lens_mount_adapter_for.html) work with this lens?
Yes, any EF to MFT adapter will work.
Date published: 2021-01-12
Will this fit 1971 Nikon F2?
Will this fit 1971 Nikon F2?
Yes, the Venus Optics Laowa 25mm f/2.8 2.5-5X Ultra Macro Lens for Nikon F can be used on an old manual Nikon film camera such as the F2.
Date published: 2022-11-09
Says this lens is compatible with Nikon Z ...
Says this lens is compatible with Nikon Z cameras. Is it compatible with a Nikon d3s with f -mount?
Unfortunately, the Venus Optics Laowa 25mm f/2.8 2.5-5X Ultra Macro Lens for Nikon Z is not compatible with Nikon F mount cameras like the Nikon d3s.
Date published: 2025-01-09