National UV-1 Lens Filter Kit

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This is a "teleconversion lens" accessory for video cameras (camcorders) from Panasonic (formerly Matsushita Electric Industrial) under the "National" brand. How about it for collectors who love old video cameras or those seeking a unique "retro texture" (intentionally degrading image quality)?

【Note】Due to Mercari's system limitations, the size is listed as αE mount, but this product is a screw-in conversion lens for video cameras. Please note that it is not for a specific mount.

Product Details:
• Model Number: VW-LF1, a "lens filter kit"
• Lens Type: The engraving on the lens rim reads "1.5X TELEPHOTO CONVERSION LENS FOR CAMCORDER." This is a telephoto lens that, when attached, extends the focal length of the original lens by 1.5 times (magnifying distant objects).
• Brand: National (mainly used during the era of home video cameras like the "MacLord" series from the 1980s to the early 90s).
• Country of Manufacture: JAPAN (Made in Japan)

How to Use:
If you are considering using this with your modern digital camera or video camera, you need to pay attention to the following points:
1. Check the Filter Diameter (Thread Size):
The thread size on the back of this lens must match the front size of your camera. Video cameras of that era commonly used diameters such as 37mm, 43mm, and 46mm.
2. Impact on Image Quality:
Because it was designed for old video cameras (analog broadcasting era), attaching it to the latest 4K or HD quality cameras may result in blurred edges or a significant degradation in image quality.
3. Vignetting:
Depending on the camera it is attached to, a phenomenon called "vignetting" may occur, where the corners of the screen appear black.

【!CAUTION】
※ There is a risk that it may not be usable due to aging. All photos are provided as-is, so please check carefully before purchasing.
※ This is a used item, so please consider purchasing with understanding.