The SLR Magic 49mm Image Enhancer Pro Filter is an ultraviolet and infrared control filter that is useful for digital cinematography as well as still photography. While recording video with a CCD or CMOS camera, multi-stop neutral-density filters are used to maintain proper exposure by compensating for increased light levels when widening the camera lens's iris to obtain a narrower depth of field. As the increased amount of light passes through multi-stop neutral-density filtration, visible light is progressively blocked, while infrared light is allowed to pass through. As the proportion of infrared light that reaches the sensor of a camera being used for digital cinematography becomes greater, the results can show unwanted color shifts, particularly in dark areas of the frame such as shadows where the appearance of black is dominant.

When the SLR Magic 49mm Image Enhancer Pro Filter is applied, ultraviolet light waves along with infrared light waves are suppressed, helping to ensure that light falling on a digital camera sensor is limited to the visible spectrum. When used along with multi-stop neutral-density filters while recording with a digital sensor, potential infrared color shifts are prevented or minimized, preserving color accuracy throughout the frame. This filter may also be used to help ensure that the appearance of unwanted blue casts is reduced while recording digital video or still photos under daylight that also features intense ultraviolet light.

The front and rear surfaces of a SLR Magic 49mm Image Enhancer Pro Filter include forty-two and eight layers of interference coatings respectively. Those coatings allow the filter to limit the light that falls on a digital camera sensor to the visible spectrum. A nano coating offers protection to the filter substrate, and results in an improved beading effect when in contact with water for greater cleaning efficiency.

This filter is constructed from Water White glass for increased clarity as well as color fidelity and features an aluminum-alloy filter ring for durability while remaining lightweight.

UV and Infrared Control Filter    For Digital Cinematography, Still Photos    1x Filter Factor, No Exposure Change    Reduces Bluish Cast of Daylight    Use with Multi-Stop ND Filters    Prevents Infrared Light Pollution    Maintains Appearance of Dark Areas    Helps Preserve Color Accuracy    Aluminum-Alloy Filter Ring    Plastic Case

Suppresses ultraviolet light waves, reducing bluish cast of daylight when recording video or still photos.

Useful with CCD or CMOS sensors to filter out infrared light pollution that cause color shifts frequently associated with high-definition recording with multi-stop neutral-density filters.

Does not require adjustments to exposure while in use.

Forty-two layers of interference coatings on front surface and eight layers on rear surface limits light that falls on a digital camera sensor to the visible spectrum.

Nano coating offers protection to the filter substrate and results in an improved beading effect when in contact with water for greater cleaning efficiency.

Constructed from Water White glass for increased optical clarity.

Aluminum-alloy filter ring is durable while remaining lightweight.

49mm front filter threads allow use with other filters to protect front surface or combine with other effects.

Plastic case included for storage and transport.

Related Questions and Answers

Q: 1. Will it fit on the Sony A7R 2?

A: You will need an adapter, and you will be cropping very heavily. The final image will probably be around 12MP.

Q: 2. does this lens produce a "hotspot" when using it to create infrared photographs (either with an IR pass filter or IR-converted camera) ? if it does, how noticeable is it and is it only at certain apertures? please send links to sample IR photos if you have any.

A: This lens was not designed with IR shooting in mind.

Q: 3. Will this lens fit the Olympus EM-10 Mark ii?

A: Yes, it is made for any Micro 4/3 mount camera. As long as you can tell the camera to shoot without a lens (no electronic contacts on this lens), the camera won't have an issue.

Q: 4. why is there no mention of the polarizer in the item description?

A: Its doesnt work as a polarizing filter (even though it likely uses polarizers to achieve the ND effect as kyle said) ND only, you need to buy a polarizer seperately.Keep in mind the front filter thread on this filter is different then the back; you can put a 77mm polarizer on your lens and then the ND on the polarizer, but things get finnicky real quick with this setup.

Q: 5. Does this one fits Leica 12mm F/1.4 lense of GH5?

A: Yes I bought it for that lens.

Q: 6. What is the filter factor for this lens? Am I losing a full stop or less?

A: The filter factor for the Hoya Intensifier is 1.4, and you only lose a half a stop.

Q: 7. Will this work with the SLR Magic anamporphot 1.33?

A: The 8 mm is too wide as well as a 15mm wide lens I have tested. Check SLR Magic recommendations as they are pretty true to form.

Q: 8. How do I put on a 52mm filter? I can't figure out how to remove the glass on the adapter.

A: To use a 52mm filter with the SLR Magic 8mm f/4 Lens, screw the filter adapter into the front of the lens--the front of the filter adapter has a 52mm filter thread.

Q: 9. Has anyone compared this lens with the Kowa 6mm f1.8 C-Mount?

A: The SLR Magic 8mm f/4 looks like a modified C-Mount lens but the Kowa 6mm f/1.8 has a wider field of view and is sharper.

Q: 10. Will this work with the sony FS5 with an adapter?

A: Yes, there are MFT to E mount adapters out there (I have one; VERY slim). You'll need to use Clear Zoom to crop into the usable portion of the image, as the lens barely covers an MFT sensor.