The Schneider 4x4" 1mm Red True-Streak Filteris designed to be used perpendicular to a point light source such as the sun, a light bulb, or a candle. Within the filter's glass is a combination of fine line types whose action is limited to point light sources. Upon those light sources, those lines create the effect of a scene or image that has been recorded with an anamorphic lens and then displayed using a complementary reverse projection lens. This can result in prominent, elongated streaks that are symmetric and extend horizontally from each point light source for the purpose of drawing attention to a specific part of the frame, or to create a visually dramatic effect.

If an image or footage is captured with an anamorphic lens for the primary purpose of obtaining a greater aspect ratio than what is possible when only using spherical lenses on a 35mm format, the direct result will appear compressed and distorted. Projecting this compressed and distorted footage or imagery through a reverse anamorphic projection lens allows elements within the scene to be viewed in their correct proportions. A complementary effect of this process after it is completed is the creation of elongated, blue-colored, horizontally symmetrical highlights from point light sources that can extend through the frame.

Many cinematographers and photographers find this effect desirable and the Schneider 4 x 4" 1mm Red True-Streak Filter is intended to allow such highlights to be easily reproduced when using optics that do not have an anamorphic design. This filter renders the streaks it helps to create with a red hue, instead of the blue highlights generated when using traditional anamorphic optics that are not designed to suppress streaking. True-Streak Filters that are formulated to create orange, yellow, green, blue, pink, or violet banding instead of red are also available, as well as Clear True-Streak Filters that can allow existing colors or lack of colors displayed by point light sources to be maintained.

The line types within this filter's glass are placed 1mm apart from each other. True-Streak Filters with spaces of 4mm, 3mm, or 2mm between their lines are also available where this filter type's effect becomes progressively stronger as the spacing between those lines is decreased.

This filter is most effective for pictures where the light source used to generate the streak effect is a highlight with a significant degree of contrast from the rest of the image. It is constructed from water white glass for clarity as well as color fidelity.

Streak Effect from Point Light Source    Anamorphic, Symmetric, Elongated Streaks    Horizontal Streaks from Light Source    Red Color for Streaks    Water White Glass Construction    Padded Pouch

• Creates prominent, elongated streaks that are symmetric and extend horizontally from point light sources within a scene
• Draws attention to a specific part of the frame, or can create a visually dramatic effect
• Allows the effect of anamorphic optics upon highlights to be reproduced when using optics that do not have an anamorphic design
• Creates red-colored streaks
• Constructed from water white glass for optical clarity and color fidelity
• Padded pouch included for storage and transport

Related Questions and Answers

Q: 1. When would you be able to share all the specs?

A: The current specifications for the Schneider ISCO4all Lens Set can be seen in the link below: https://bit.ly/3Aaokbc

Q: 2. how is the focus position vary along with wavelength?

A: We would love to assist you with this question, however we do need a bit more information. If you could email this question to provideo@bhphoto.com with some additional information like what camera you'll be using and the application it is for we'll do our best to assist you.

Q: 3. Hello I have the sony vpl-vw5000es projector in my home theatre on a 20 foot curved screen (I only watch UHD & Blue Ray DVD's). What would the difference be for my installation between the Schneider Cine-Digitar Anamorphic 1.33x MF VS the Schneider Cine-Digitar Anamorphic 1.33x XL?. You sell BOTH models

A: Please contact Schneider directly for the appropriate lens selection: SchneiderTel: 800-228-1254Email: jsioringas@a href= http://centuryoptics.com target= _blank centuryoptics.com/aWebsite: a href= http://www.schneideroptics.com/ target= _blank http://www.schneideroptics.com//a

Q: 4. does the 81.5 mm fit an 82mm step up? why 81.5mm?

A: I'd measure the outside diameter of the the step up with something accurate like vernier calipers or a micrometer. I purchased the 90mm push on Cap to fit a Schneider centre ND filter which I measured to be exactly 90mm outside diameter and the cap was a fairly tight fit.

Q: 5. Can you "empty it" for ease of transportation on plane ?

A: The FOCUS RAT V3 Steady Saddle Rat Bag (Large, True Black) has a hidden zipper that can be used to empty the bag of filling.

Q: 6. If you use this inside a closet would it be enough for a good quality VO recording?

A: If you are inside a closet with towels and blankets on the shelves, and an assortment of clothes hanging up, you will probably not need a reflection filter like this. That recording environment will already stop most of the echo and reflection this is designed to stop. The main job of a reflection filter like the Auray RF-C20 is to absorb and diffuse some of the sound energy from the voice, and also to prevent echoes of that sound from entering the rear of the microphone.

Q: 7. Can these OP/TECH Mini QD Loops support a full size DSLR?

A: I am using on a full frame canon. I switch camera straps and it works well

Q: 8. What is the best enlarger lens to print 35mm negatives on a Beseler 4x5 enlarger?

A: A 50mm Schneider or Rodenstock lens would be most useful.

Q: 9. Hi! Could you please tell me what the diameter of the front and rear elements of this lens are? Close approximations are fine! Thank you!

A: This is not a published specificatiopn. Please contact the manufacturer directly please: Schneider: Tel: 800-228-1254 Email jsioringas@centuryoptics.com

Q: 10. Does this work with this microphone? https://www.bhphotovideo.com/c/product/844096-REG/Audio_Technica_AT2005USB_AT2005USB_Cardioid_Dynamic_USB_XLR.html/mode/edu. and are any other components necessary

A: Hi, yes this does work with the Audio Technica microphone. Please note, the shockmount in the picture is not included though. You may consider the Audio-Technica AT8410A Shock Mount (Spring Loaded) BH #AUAT8410A - https://www.bhphotovideo.com/c/product/68138-REG/Audio_Technica_AT8410A_AT8410A_Shock_Mount.html. Thank you for shopping at B&H!