Use reversing rings for macro shots

A reversing ring allows you to turn any lens into a macro lens, at a very low cost (Image credit: Future)
What is a reversing ring?

A reversing ring is a simple device that allows an inverted lens to be mounted on a DSLR, making use of the filter thread on the front of the optic. You need a model that has the correct lens mount for your camera AND the right filter diameter for the lens you are using.

Reversing rings can seem like obscure accessories to new photographers, yet they offer a superb level of additional functionality for your existing lenses. 

By attaching a ring onto the filter thread of a standard or moderate wide optic, you can mount it on a camera body in the same way as any other compatible model – only backwards. The attached lens can now be used at very close focusing distances and will give you higher magnifications. 

There are a few trade-offs when using a reversing ring that you need to bear in mind. As the lens mount is no longer in contact with the camera body when it is reversed, all autofocus and aperture control functionality is lost.

It's best to use a lens with a manual aperture ring, and this will enable depth-of-field control and reduce the need to keep remounting the lens the ‘right’ way around to set the aperture.

Here’s how to get the most value and your best shots out of a reversing ring.

Step 1:  Secure the lens

(Image credit: Future)

Rather than attaching the ring to the camera body, screw it onto the lens filter thread first and then attach the full setup to the camera. This reduces the chance of an improperly secured lens being broken.

Step 2: Choose shooting mode

(Image credit: Future)

Shoot in Aperture Priority, Program or Manual mode. A or P mode enables you to set the f-stop and ISO while the camera controls the shutter speed.

Step 3: Activate live view

(Image credit: Future)

If shooting with a DSLR, it is often best to switch to live view instead of using the optical viewfinder, as it is more challenging to assess focus due to the preview size and native image brightness.

Step 4: Adjust camera position

(Image credit: Future)

Find the closest possible focusing distance by racking out the focus of the lens and moving the camera until focus is achieved. You can then access the full range of usable magnifications.

Step 5: Zoom in and focus

(Image credit: Future)

Use the screen to zoom in on the preview and focus on the key areas of the subject using the focus ring. Use the lowest focal length for the greatest magnification and the highest to zoom out.

Step 6: Preset the aperture

(Image credit: Future)

Rotate the aperture ring to the desired setting. It’s best to do this last to minimise darkening or noise on the preview image, and simply reshoot if an estimated DOF in step 5 is inaccurate.

Before: By failing to properly compensate for the lack of automatic focus and aperture control, insufficient DOF and poor exposure can easily occur in reversed shots (Image credit: Future)

After: Using an older-generation lens featuring a physical aperture ring enabled easy focus and exposure selection. A lens of 35-50mm gave the best magnification (Image credit: Future)

Read more: 

The best macro lenses in 2020
The best close-up filters
Use a reversing ring and flash for great macro shots

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