How to Use Macro Converters with Lensbaby Optic Swap Lenses

Quick answer

To use Lensbaby Macro Converters, first confirm your optic is one of the swappable types, then attach the converter to the front of the optic before mounting the lens on your camera. Add the shorter converter first, focus manually, and expect a very shallow depth of field. The converter changes your working distance, so move the camera rather than only turning the focus ring.

Check your optic and converter fit before you shoot

Macro Converters are designed to integrate with your existing Lensbaby optics, but not every optic is a candidate. The Optic Swap Tool is used to remove the Creative Aperture, Double Glass, Single Glass, Plastic, Pinhole/Zone Plate, Soft Focus, and Fisheye Optics, so those are the swappable types to check first. If your optic is not on that list, or if you are unsure which optic you own, identify it before buying a converter.

The product page does not list available option types for the Macro Converters, so there is no size or thread variant to choose at checkout. That means fit depends on your specific optic rather than a dropdown selection. If you have a non-swappable Lensbaby lens, treat converter compatibility as a decision limitation and confirm with the optic you actually own rather than assuming it will thread on.

Attach the converter to the optic, not the camera mount

The converter goes on the front of the optic. If you try to sandwich it between the optic and the camera body, you will not get the close-focus effect and you risk cross-threading. Work with the optic removed from the lens body if that is easier, using the Optic Swap Tool to unscrew the optic, then thread the converter onto the optic's front. Once it is seated, reinstall the optic into the lens body and mount the lens on your camera.

Start with the shorter converter if your set includes more than one. It gives a gentler magnification change, which is easier to focus and easier to light. Add the longer converter only after you can consistently get sharp results with the shorter one.

Focus by moving the camera, then fine-tune

Macro work with converters is manual focus by nature. Set your lens to its closest focus and then physically move the camera toward or away from the subject until the detail you want snaps into focus. Use live view magnification if your camera has it, and consider a tripod or a focusing rail for static subjects. For handheld work, brace your elbows and take several frames at slightly different distances.

The biggest surprise is how little depth of field you get. At high magnification, only a sliver of the subject will be sharp. That is normal, not a defect. Choose one feature to be the sharp point, such as a stamen or the edge of a coin, and let the rest fall soft.

Control light and stability for close-up sharpness

As you move closer, you block more of the available light and small vibrations become visible. Add light from the side or above rather than straight on, and use a diffuser if highlights blow out. A remote release or your camera's self-timer reduces shake when the camera is on a tripod.

If you shoot handheld, raise your shutter speed and accept a higher ISO rather than relying on image stabilization alone. The converter does not add stabilization, so your hands and your shutter speed are doing the work.

Swap optics to change the look, not just the magnification

Because the converter sits on the optic, changing optics changes the character of your close-up images. A Double Glass optic gives a different rendering than a Plastic or Single Glass optic, and the converter simply pushes each one closer. That makes the Optic Swap system a way to vary your macro look without buying a separate macro lens.

Keep your optics protected when they are out of the lens. The Optic Swap Tool/Container is a clear plastic storage container capped with the swap tool, so it doubles as a safe place to hold an optic while another one is in use. That matters more in the field, where dust and drops are the real risks.

Your macro converter setup, step by step

1. Identify your optic: Confirm your optic is one of the swappable types removed by the Optic Swap Tool: Creative Aperture, Double Glass, Single Glass, Plastic, Pinhole/Zone Plate, Soft Focus, or Fisheye. If your optic is not on that list, stop and verify compatibility before buying a converter.
2. Remove the optic safely: Use the Optic Swap Tool to unscrew the optic from the lens body, and place it in the Optic Swap Tool/Container so it is not loose on a table or in a bag. A protected optic is a clean optic; dust on the glass shows up fast at macro distances.
3. Thread the converter onto the optic: Attach the Macro Converter to the front of the optic, starting with the shorter converter if you have more than one. Seat it fully but do not force it. If it does not thread smoothly, stop; cross-threading is the most common and most expensive mistake here.
4. Reinstall and mount: Put the optic back into the lens body, then mount the lens on your camera. Set the lens to manual focus and choose a mid aperture to start. Mid apertures give you a slightly deeper zone of sharpness while you learn the working distance.
5. Focus by moving in and out: Use live view magnification, move the camera toward the subject until the key detail is sharp, then fine-tune with the focus ring. Use a tripod or focusing rail for static subjects. Do not expect the whole subject to be sharp; pick one feature and let the rest fall off.
6. Adjust light and stability: Add side or top light, diffuse harsh highlights, and use a self-timer or remote release on a tripod. Handheld, raise shutter speed and ISO rather than relying on stabilization. The converter adds no stabilization, so your shutter speed is your insurance.
7. Swap optics to change the rendering: Try a different swappable optic behind the converter to change the look of your close-ups, and store the idle optic in the Optic Swap Tool/Container. One converter plus several optics gives you several macro looks without a second lens.

Products that support this workflow

• Macro Converters: Lensbaby Macro Converters are designed to integrate with your existing Lensbaby optics for close-up photography and video. They let you turn optics you already own into close-focus tools instead of buying a dedicated macro lens.
• Optic Swap Tool / Container: The Optic Swap Tool/Container is a clear plastic storage container capped with a Lensbaby Optic Swap Tool, and the tool removes the Creative Aperture, Double Glass, Single Glass, Plastic, Pinhole/Zone Plate, Soft Focus, and Fisheye Optics. It gives you a safe place to keep an optic while you attach a converter and confirms which optics are swappable.
• Twist 60 & Double Glass II Optic Swap Kit: The Twist 60 & Double Glass II Optic Swap Kit: Composer Pro II includes the Composer Pro II and is available in different mounts. If you are building a macro-capable Optic Swap setup from scratch, this kit supplies the lens body and optics that Macro Converters attach to.