K-F CONCEPT KF01.2717V1 Streak Lens Filter Rotating Optical Glass 55MM Anamorphic

( Brand: K-f Concept ), ( Manufacturer Part Number: KF01.2717V1 ), ( Part Type: Glass Circular Filter ), ( Photo Filter Effect Type: Cross Screen ), ( Size: 55mm ), ( Photo Filter Size: 55.0 ), ( Coating Description: Multi Coating ), ( Material: Optical Glass ), ( Package Dimensions Lxwxh: 4.57x4.02x0.94 Inches ), ( Weight: 0.15 Pounds )

Review K F CONCEPT 55mm Blue Streak Lens Filter Rotating Circular Anamorphic optical Glass

The **K&F Concept KF01.2717V1 55mm Streak Lens Filter (Rotating Anamorphic Lens)** is a high-performance optical accessory designed to elevate the creative possibilities of photographers, videographers, and filmmakers seeking to introduce dynamic, cinematic distortion and streaking effects to their imagery. Engineered with precision-machined **optical-grade glass**, this filter operates by manipulating light rays to produce striking horizontal or vertical streaks, streaks with directional movement, or even subtle swirling patterns, depending on the angle of rotation and the camera s perspective. Unlike traditional anamorphic lenses, which permanently stretch the image horizontally, this rotating filter allows for real-time adjustments, enabling users to fine-tune the intensity and direction of the streaks mid-shoot ideal for achieving fluid, cinematic motion effects without the need for post-production adjustments. The **55mm thread** ensures compatibility with a wide range of DSLR, mirrorless, and cine cameras, making it a versatile addition to both still and motion photography setups. Constructed with durable metal housing and sealed edges to prevent flare or ghosting, the filter maintains optical clarity while delivering consistent, high-contrast streaking effects. Whether used to enhance the visual rhythm of a slow-motion sequence, add a dreamlike quality to portraits, or introduce a futuristic aesthetic to abstract compositions, this filter serves as a powerful tool for breaking conventional framing conventions. Its modular design also allows for easy integration into existing filter stacks, making it a seamless upgrade for photographers looking to experiment with avant-garde visual storytelling.

The **K&F Concept KF01.2717V1 55mm Streak Lens Filter (Rotating Anamorphic Lens)** is a versatile optical accessory designed to enhance video production by simulating anamorphic widescreen effects or creating dynamic visual distortions. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Versatile Anamorphic Effects**

The rotating anamorphic lens allows users to achieve both horizontal and vertical squeeze effects, mimicking the look of traditional anamorphic lenses (like those used in cinema) without the high cost. This is particularly useful for filmmakers, YouTubers, or content creators who want a cinematic widescreen aesthetic without investing in expensive anamorphic primes.

2. **Adjustable Rotation**

Unlike fixed anamorphic lenses, this rotating filter lets you switch between horizontal and vertical squeeze effects on the fly. This flexibility is ideal for creative experimentation, allowing you to adjust the distortion dynamically during shooting or post-production.

3. **Compatibility with 55mm Lens**

The filter is designed for a 55mm lens mount, which is a standard size for many DSLR, mirrorless, and cine lenses. This makes it accessible to a wide range of users, from hobbyists to professionals, without requiring additional adapters for most setups.

4. **Optical Glass Construction**

The use of optical-grade glass ensures minimal color fringing and high optical clarity, which is crucial for maintaining image quality. This is particularly important for high-end video production where lens flare and distortion must be minimized.

5. **Affordable Alternative to Anamorphic Primes**

Traditional anamorphic lenses (e.g., Cooke, Zeiss) can cost thousands of dollars. This filter provides a budget-friendly way to achieve similar effects, making it accessible to indie filmmakers and content creators who may not have the budget for premium optics.

6. **Easy to Use**

The filter is straightforward to attach and rotate, requiring no additional tools or complex adjustments. It can be used in-camera or in post-production (via overlay or compositing) for added flexibility.

7. **Creative Potential**

Beyond anamorphic effects, the filter can be used to create streaks, light leaks, or abstract visuals, adding a unique artistic touch to footage. This makes it a valuable tool for experimental or stylized content.

8. **Durable and Well-Constructed**

K&F Concept is known for producing durable filters and accessories, and this model appears to be built to withstand regular use without significant wear.

---

### **Cons**

1. **Quality Control Issues (Common with K&F Concept)**

K&F Concept is a budget-friendly brand, and while this filter is generally well-reviewed, some users report inconsistencies in quality, such as misaligned threads, uneven coatings, or slight optical imperfections. This can be a concern if you prioritize flawless optics.

2. **Limited to 55mm Mount**

While 55mm is a common size, it may not be compatible with all lenses, especially those with larger or smaller mounts (e.g., EF, PL, or smaller micro-four-thirds lenses). Users may need step-up or step-down adapters, which can add cost and complexity.

3. **Potential for Lens Flare and Distortion**

Anamorphic effects inherently introduce distortion, and while the optical glass helps, some users may notice unwanted lens flare or ghosting, especially when shooting into bright lights. This can require additional post-processing to correct.

4. **Not a True Anamorphic Lens**

This is a filter, not a true anamorphic lens. True anamorphic lenses (like those from Zeiss or Anamorphic Optics) are designed to compress the image at the lens level, which can affect depth of field and bokeh in ways that filters cannot replicate. This filter simulates the effect but may not achieve the same level of subtlety or control.

5. **Rotation Mechanism May Feel Slippery**

Some users have reported that the rotating mechanism can be slightly loose or difficult to secure in certain positions. This could lead to accidental misalignment during use, particularly in fast-paced shooting scenarios.

6. **Limited to 55mm Size**

If you shoot with a variety of lens sizes, you ll need additional filters or adapters to use this one consistently, which can be inconvenient and costly.

7. **Potential for Vignetting**

Anamorphic effects can sometimes introduce vignetting (darkening at the edges of the frame), which may require additional framing or post-processing to mitigate.

8. **Not Ideal for Macro or Close-Up Shooting**

The distortion effects of this filter may not translate well to macro photography or close-up work, where precise focus and minimal distortion are critical.

---

### **Conclusion**

The **K&F Concept KF01.2717V1 55mm Streak Lens Filter (Rotating Anamorphic Lens)** is a highly capable and affordable tool for achieving cinematic anamorphic effects without the expense of dedicated anamorphic lenses. Its rotating design offers unparalleled flexibility, making it suitable for creative experimentation and stylized video production. The optical glass construction ensures decent image quality, and the 55mm mount makes it widely compatible with professional and consumer-grade lenses.

However, the filter is not without its drawbacks. Quality control can be inconsistent, and the effects are not as refined as those from true anamorphic lenses. Additionally, the potential for lens flare, vignetting, and the need for adapters for non-55mm lenses may limit its usability in certain scenarios. For users on a budget who prioritize creativity over perfection, this filter is an excellent choice. For those seeking the highest quality anamorphic look or working in professional environments where precision is critical, a dedicated anamorphic lens may still be the better investment.

---

### **Recommendation**

- You are a filmmaker, YouTuber, or content creator looking for an affordable way to add cinematic anamorphic effects to your footage.

- You prioritize flexibility and creative experimentation over absolute optical perfection.

- You primarily shoot with 55mm lenses and are comfortable with minor trade-offs in image quality for the sake of style.

- You want a versatile tool that can also be used for streaks, light leaks, or abstract visuals beyond just anamorphic effects.

- You require the highest possible image quality and are unwilling to compromise on optical clarity or lens performance.

- You shoot exclusively with lenses that are not 55mm, as adapters may be necessary and could introduce additional issues.

- You are working on a professional project where the anamorphic effect must be subtle and seamless (e.g., a high-end commercial or feature film).

- You expect consistent, premium-quality construction without any risk of quality control issues.

- If you want a more refined anamorphic effect, consider investing in a used or entry-level anamorphic lens (e.g., a vintage Panagor or a budget anamorphic prime from brands like Atomos or Zeiko).

- For a more affordable rotating anamorphic solution, brands like **Formatt-Hitech** or **Anamorphic Optics** offer higher-end options, though they come at a significantly higher price.

- If you re primarily interested in streaking effects rather than anamorphic distortion, a dedicated streak filter (like those from **K&F Concept s streak series**) might be more suitable.

In summary, this filter is an excellent **creative tool for budget-conscious filmmakers**, but it is not a replacement for professional-grade anamorphic lenses. Its value lies in its versatility and affordability rather than its technical precision.

Details:

Please verify your cameras lens thread size. Whether its a photo or video, this filter adds linear effect to your images, producing stunning visual effects and enhancing artistic appeal. Precision-Crafted Frame Design The frame features a CNC-trimmed pattern design, ensuring secure grip and easy installation removal of the filter other accessories. Note This filter is compatible with all 55mm lenses.

Advanced Anti-Reflection Coating Both sides of the glass with nanometer coatings, a total 18-layer coating, effectively reduces surface reflections and ghosting issues, ensuring high-quality artifact-free images. Captivating Blue Linear Flare Installing a streak blue filter in front of your lens could create the same flare as anamorphic. Superior Optical AGC Glass Double-sided grinding and polishing technology, ensuring exceptional clarity maintaining the integrity of light transmission for sharp clear image quality, no color cast. The number is beside a diameter symbol.

part #: kf012717v1 prices

• $42.04-$75.99

specifications filtecam:

• brand: K-f Concept
• mpn: Kf01.2717v1
• part type: Glass Circular Filter
• photo filter effect type: Cross Screen
• size: 55mm
• photo filter size: 55.0
• coating description: Multi Coating
• material: Optical Glass
• package dimensions lxwxh: 4.57x4.02x0.94 Inches
• weight: 0.15 Pounds

shipping filtecam:

• cost: $0.00
• service: Economy
• type: Fixed
• class: Economy
• transit: 3-10 Days

returns filtecam:

• policy: No Returns

general filtecam:

• Cameras Photo > Lenses Filters > Filters
• condition: New

offer filtecam:

• availability: In Stock
• started: February 10, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

seller filtecam:

• rating: 100.0%
• city: Brentwood, New York
• # reviews: 331

payments filtecam:

• other
• wallet: Paypal
• credit card: Discover

K-f Concept KF01.2717V1 Is Similar To:

• 778295400019 K F Concept Filter (24.4% similar) Abel - item has been laundered. I may substitute equal shipping services as is necessary. Numerical percentages refer to the percent of useful life or newness item as ascertained by me. For detailed information on item condition read the entire offer before buying all offers are WYSIWYG - what you ...(January 13th, 2018)
• 919900009 Concept Beschoi Nd Filter Kit Graduated Color Set Cpl (30.7% similar) Bosch 52MM 6PCS high-precision slim neutral density filter lens kit UV fled ND4 graduated color for Nikon canon SLR cameras with hood cap pouch...(August 25th, 2018)
• 919900020 Concept Beschoi Uv Cpl Filter Nd Kit Graduated Color Set (31.3% similar) New item with opened box. All filters still in plastic. Fast and friendly shipping...(September 21st, 2018)
• Kf01.1058 Concept Slim Fader Neutral Density Nd Filter New Open Box (41.9% similar) Shipped with USPS first class package. Condition is new. K f Concept 77MM slim fade neutral density nd filter ND2-ND32 new open box...(March 3rd, 2019)
• Kf01.1059 Concept Graduated Color Filters Lens Uv Protector (34% similar) Bought these filters, but besides being opened from the box, they were never used. K f Concept 58MM graduated color filters lens UV protector. Shipped with USPS priority mail. Still has packing foam in all of the lenses for protection...(March 6th, 2019)
• Kf01.1061 Concept Fader Variable Neutral Density Lens Filter No Spot (39.3% similar) Neutral density can be adjusted from ND2 to ND400. K f Concept 67MM fade variable neutral density lens filter ND2 - ND32 no x spot. Condition is used. Applies slow shutter speed under strong sunlight exposure. Allows wider apertures,effectively decreasing depth of field. Imported multi-coated ...(May 31st, 2019)
• Kf01.462 Concept To Hd Slim Fader Variable Neutral Density Nd Filter (33.3% similar) New open box...(March 15th, 2019)
• Kf01.976 Concept Hd Nd Filter Neutral Density Lens Stops (41% similar) 67MM ND1000 filter made with premium japan optics glass, top level of transmittance, no color cast aviation aluminum alloy frame,super slim and lightweight, avoiding vignetting on wide angle lenses. Multi resistance contingent lens filters has 18 layers of coating Marc greatly reducing ghosting. ...(January 29th, 2019)
• Sku0661 Concept Lens Filter Kit Slim Uv Cpl Circular 700424378678 (38.8% similar) Great for photographing the sky, sunset, rosy cloud, lake water, etc. Package includes: k f Concept 58MM fled slim cpl UV graduated color filter blue,orange,gray microfiber lens cleaning cloth flower petal hood pinch cap keeper pouch graduated filter. Slim UV filter reduce haze and improve contrast ...(July 4th, 2018)
• Sku0887 Concept Hd Nd Lens Filter Slim Neutral Density Adjustable Fader (38.6% similar) Our adjustable nd filter can be adjusted between 2-400 ,the index marks on the let you know exactly amount of reduction at a glance. Filter frame can automatically lock for easy positioning. Filters used imports of Japanese high-quality optical glass. Giving you clear and precise shots at whichever ...(October 18th, 2018)
• Sku1061 Concept Lens Kit Slim Uv Cpl Pt Star Bag Cap (35.5% similar) Item may be missing accessories. I will work with you to make things right. If it is not in the pictures included. Please look carefully at all photos...(April 19th, 2018)