This 1-stop, Bay 70 Heliopan ND Filter is a solid ND filter. This 0.3 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed without overexposing your image. By slowing your exposure time, you can create motion blur for special effects or to convey a sense of movement. Opening your iris allows you to create shallow depth of field, which can help isolate your subject.

The front and rear surfaces of the filter both feature a single anti-reflection coating. Each coating helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, they offer protection to the filter substrate while helping to keep the glass clean for longer than uncoated glass.

This Heliopan filter is constructed from Schott glass for increased optical clarity and color fidelity. It features a brass filter ring for durability as well as jamming prevention.

0.3 Optical Density    Front and Rear Coating    Schott Glass Construction    Brass Filter Ring    Increase Exposure Length    Bay 70 Front Filter Mount

ND 0.3 filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required.

Providing a 1-stop exposure reduction, this filter allows you to control depth of field and convey movement more easily.

Single coatings on both the front and rear offer protection to the glass and help to improve light transmission and image quality.

Constructed from SCHOTT glass for optical clarity.

Brass filter ring helps to prevent jamming and provides additional strength.

Dual mounts with Bay 70 front filter mount permits combining with other filters.

Related Questions and Answers

Q: 1. Will this filter also cut out IR?

A: This filter does not offer IR cut capability.

Q: 2. Can you use this filter on a sony 70-200 2.8 and still use lens hood?

A: The Heliopan 77mm Variable Gray ND Filter is compatible with the Sony FE 70-200mm f/2.8 GM OSS II Lens with the hood attached.

Q: 3. does the filter have front threads as to add a lens cap?

A: The Heliopan 52mm ND 3.0 has 52mm front-filter threads for other filters or a lens cap.

Q: 4. I was gnderin what is the function of two screws that are on the filter? I've realized the range was limited and I thought something was off. Then I unscrewed them and having the ability to turn the top glass 360 degrees, now I have full range of Nd, and it saved my life. I figured the glasses are not detachable. So, now I am confused about the function of those screws. They put hard stops for sure but those hard stops were limiting the actual range of the filter. Either mine was a faulty one, or there is something else.

A: The installed screw along the filter ring are prevent the filter from being adjusted past the highest density, which would cause an X shaped pattern to appear in your frame.

Q: 5. Will this fit my 3.5F Rolleiflex ?

A: Yes, the Heliopan Bay 2 ND 1.5 Filter (5-Stop) is compatible with the Rolleiflex 3.5 F camera.

Q: 6. Hello, will this ND filter setup work with a Leica R lens? if so, which ones? I have a 50mm f2 Summicron, & a 24mm Elmarit f2.8. I need an ND filter that will work with both of these. Thanks very much!Julian Wayser

A: There are many versions of the Leica 50mm f/2 Summicron-R lens. Early versions (1964-1976 black; 1964-1966 chrome) were a Series VI + 14160 (Series VI - E44 filter adapter) and later II models (1976-2009 black) are Internal thread for screw-in type filters E 55 size with a Built-in, telescopic hood. The 24mm f/2.8 Elmarit-R was a Series 8 and our records show some may have been an E60. 72mm to Series 7 Filter Adapter B&H # LEARS77282mm to Series 8 Filter Adapter B&H # LEARS88255mm NDs http://bhpho.to/1m7oEIA

Q: 7. Would this Heliopan Variable ND filter fit a sony lens?

A: Whether this filter would fit depends on which Sony lens you own.

Q: 8. I was hoping to use this for solar photography but I want to be safe. Is it safe to look at the sun through a Nikon d750's viewfinder with this filter? If it's not safe for me is it safe for the camera? - (eg could I use live view instead of looking through the viewfinder)

A: You can look at the sun with this filter, but taking precautions is always good. Start out by using sunglasses at first, look through as see, then without and compare, if it is comfortable you know its ok.Ive shot images of the sun looking directly though the viewfinder without issues using this filter

Q: 9. Does this filter have hard stops? Will it be OK for video use?

A: This filter does not have hard stops but turns smoothly. I have not tried it for video but believe it would apply appropriately.

Q: 10. What if live view is used?

A: To my original answer, I should add that on a Leica M, the EXIF data will probably show a different aperture to the one on the lens.The Ms have no electrical connection between camera body and lens, so the camera infers aperture for EXIF by comparing light intensity metered at the shutter compared to the ambient light on the body. (That's what the small light meter hole on the front top of the body is for.)