Haida Rear Lens Soft GND 0.9 for Canon EF and RF

Many Canon camera bags contain an ultra-wide-angle lens that has been performing reliably for years: a 16-35, an 11-24, or a fisheye. What these lenses lack is a filter thread, because the front element is curved. As a result, when shooting against a bright sky over a dark foreground, you’re left with a choice between an overexposed sky and an underexposed foreground. This graduated filter attaches to the back of the lens and solves the problem right where there’s space.

• Soft gray gradient with 3 f-stops, density 0.9
• Sits behind the lens; no holder in front of the front element
• No vignetting, unlike that caused by front-mounted filters
• The gradient sits securely; you can compose your shot around it
• For Canon EF and RF, also compatible with EF lenses on RF bodies
• Requires a compatible adapter; not included

The filter is mounted at the rear, not the front

For lenses without a filter thread

An 11-24mm or a fisheye lens cannot accept a screw-on filter at the front because the front element protrudes too far. Attachment systems are available, but they are large, expensive, and require their own space in your bag. Here, the filter is positioned at the rear of the lens and doesn’t add any bulk on the outside.

No vignetting

Filters mounted in front of the lens quickly intrude into the image at extreme focal lengths and darken the corners. Because the filter is positioned behind the lens elements, this doesn’t happen at all—not even at 11 or 14 millimeters.

Three f-stops of soft gradation

Density 0.9 corresponds to three f-stops. “Soft” means that the transition from dark to clear is gradual rather than occurring along a sharp edge. For landscapes with trees, mountains, or buildings on the horizon, this is the option that doesn’t give itself away as a line in the image.

Here’s what it looks like in everyday use

Sunset over a dark landscape

The sky is blown out, the foreground is underexposed, and you can’t capture both in a single shot. With a three-stop gradient, you can bring the sky back without sacrificing the ground.

Fisheye with sky in the frame

With an 8–15mm or a 15mm fisheye lens, you almost always have a lot of sky in the frame, and it’s almost always too bright. You can’t add anything in the foreground, but you can in the background.

Architecture from below

When you shoot upward with a wide-angle lens, you’ll have a bright sky above a dark facade. The same gradient brings both areas within a range that the sensor can capture.

What you should know before ordering

The gradient cannot be moved

Unlike with a front-mounted filter, the transition is fixed in one place. You can’t move it to the horizon; instead, you have to position the horizon where the gradient is. This helps determine your composition. If you want to set the dividing line freely—for example, for a very low or very high horizon—you’ll need an attachment system. For the same reason, changing it isn’t something you can do in a snap: you’ll need to remove the lens to do so.

The adapter is not included

The filter alone isn’t enough; you’ll also need the right adapter for your lens. You can find it right here with the product—order it at the same time. If you’re unsure which one is compatible with your lens, give us a call before you order.

It’s only compatible with certain lenses

The filter is designed for ultra-wide-angle and fisheye lenses with a Canon EF or RF mount that have a rear filter mount provided by the manufacturer. These include, among others, the Canon EF 11-24mm f/4L, 16-35mm f/2.8L, 17-35mm f/2.8L, 17-40mm f/4L, 14mm f/2.8L, 15mm f/2.8 Fisheye, and 8-15mm f/4L Fisheye, as well as the Tamron SP 15-30mm f/2.8 (both generations), Sigma 14-24mm f/2.8 Art, 12-24mm f/4 Art, and 14mm f/1.8 Art, and the Samyang AF 14mm f/2.8 RF. This list is not exhaustive. Ask us if your lens isn’t listed. If your EF lens is mounted on a Canon mirrorless body via an adapter, the filter will also work. It sits inside the mount, with the adapter mounted behind it.

Technical Details at a Glance

• Type: Soft GND, soft gray gradient filter
• Density: 0.9
• Effect: 3 f-stops
• Gradient: soft, fixed position
• Position: behind the lens
• Mount: Canon EF and RF, also compatible with mirrorless bodies via adapter
• Adapter: required, not included

Package Contents

• 1 x Soft GND 0.9 filter
• 1 x protective and carrying case