The B+W 49mm Cross Screen 6x Filter is designed to be used perpendicular to a point light source such as the sun, a light bulb, or a candle. Within the filter's surface is a combination of fine, etched line types that help to create a starburst effect with six primary diffraction spikes that extend from the light source.

This filter is most effective for pictures where the light source used to generate the starburst effect is a highlight with a significant degree of contrast from the rest of the image. The B+W 49mm Cross Screen 6x Filter is constructed from optical glass for clarity as well as color fidelity, and features an F-Pro brass filter ring for durability as well as jamming prevention. The filter ring can be rotated in order to adjust the direction of the diffraction spikes and overall orientation of the starburst effect.

Starburst Effect from Point Light Source    Six Primary Diffraction Spikes    Spikes Extend From Light Source    Optical Glass Construction    F-Pro Brass Filter Ring    49mm Front Filter Threads    Plastic Case

Creates a starburst effect from point light sources within an image

Starburst effect features six primary diffraction spikes which extend from the light source

F-Pro brass filter ring helps to prevent jamming and provides additional strength

Filter ring can be rotated for direction control of the diffraction spikes and overall orientation of the starburst effect

49mm front filter threads allow for use with other filters

Plastic filter case for storage and transport

Related Questions and Answers

Q: 1. does this filter help reduce moire in dslr video?

A: Diffusion filters and turning down the sharpening may help at reducting moire on your DSLR. Depending on which DSLR, lens and subject you have, the supression of the moire will vary. However, in the end these are mostly stop gap measures. The best way to eleimiate moire is to have a camera that does not make it in the first place.

Q: 2. does this effect exposure at all? If so by how many stops?

A: According to B+W, the filter factor of their Cross Screen 8x filters is 0, so there should be little to no affect on exposure.

Q: 3. Does this work with a Canon EF 50mm f/1.8 STM Lens?

A: Yes, the Nisha 49mm Split Field Filter works with the Canon EF 50mm f/1.8 STM Lens.

Q: 4. Hello, what is the thickness of the frame without the thread?

A: I would recommend contacting Heliopan; Distributed By - H.P. Marketing CorporationTel: 800-735-4373 Website http://www.hpmarketingcorp.com/ Email info@hpmarketingcorp.com

Q: 5. Will this work well with achieving the sunray effect during sunrise/sunset? Will this filter effect the look of the image in any other way?

A: This will not help with the sunray effect at sunrise or sunset. It will give more of a twinkle/pointed star effect of the sun or any other prominent light sources, such as the example shown with the street lamps.

Q: 6. How good is it? Has anybody used it?

A: I have one on my Tokina 11-20 and it works fine. I chose it because of the coatings on each side as wide angle lenses can be prone to flair when shooting into or near the sun. I have other Hoya filters on other lenses that I am very pleased with. 52mm and 77mm.

Q: 7. Will this work will a Sony FDR-AX53? It use a 55mm filter?

A: Yes, the Hoya Star 6X Filter (55mm) will fit on the Sony FDR-AX53 4K Ultra HD Handycam Camcorder.

Q: 8. Is the front ring of this Urth 72mm CPL filter threaded to accept other 72mm accessories ?

A: Yes, this 72mm Urth Circular Polarizer Filter is threaded in front to accept other 72mm accessories.

Q: 9. Would this work for my canon EF-M 15-45 mm lens?

A: Yes. The Tiffen #25 Red Filter (49mm) will fit that lens.

Q: 10. Hello, can you write me, what is the thickness of the frame without the thread?

A: Please contact Heliopan for that info; Tel: 800-735-4373 Website http://www.hpmarketingcorp.com/ Email info@hpmarketingcorp.com