Optolong 77mm Clear Sky Filter

The Optolong 77mm Clear Sky Filter is a must-have for any outdoor photography enthusiast. This filter is designed to block out unwanted light pollution, reducing the amount of haze in your photos and giving you crisp and clear images. The high-quality optical glass used in this filter ensures that your photos will have minimal distortion and excellent color fidelity.

The Optolong 77mm Clear Sky Filter is easy to install and can be used with a wide range of lenses. Its slim profile design minimizes vignetting, making it an ideal choice for wide-angle lenses. Additionally, the filter is durable and scratch-resistant, providing long-lasting protection for your lens.

Take your astrophotography to new heights with the Optolong 77mm Clear Sky Filter. Boasting a convenient screw-on design akin to a UV filter, this accessory is tailor-made for effortless integration with your 77mm lenses. Immerse yourself in the beauty of the night sky, free from the hindrance of light pollution, and elevate the clarity and brilliance of your celestial captures.

Key Features:

1. Advanced Coating Technology:
   • Multi-layers anti-reflection coating.
   • Non-cementing optical substrate coating.
   • Precision Ion-assisted deposition coating technology ensures durability and scratch resistance.
   • Stable CWL (central wavelength) unaffected by temperature changes.
2. Light Pollution Suppression:
   • Designed with anti-reflecting coating to reduce dazzle light interference.
   • Effectively blocks city Na and Hg light pollution, enhancing image contrast.
3. Seamless Integration with 77mm Lenses:
   • Twist directly onto your camera lens, effortlessly integrating with 77mm lenses.
   • Compatible with SLR camera clip filters: EOS-C, EOS-FF, NK-FF, Sony-FF.
4. No Compromise on Performance:
   • Zero wavelength shifting ensures true-to-life colors in your images.
   • No color gradient for a seamless and immersive viewing experience.

Technical Specifications:

• Brand: OPTOLONG
• Item Name: Clear Sky Filter
• Substrate: Optical Glass
• Thickness: 1.0mm
• Size: 77mm
• Frame: CNC Processing

Versatile Applications: T

ailored for 77mm lenses, the Optolong Clear Sky Filter is your gateway to capturing pollution-free images of the night sky. Whether you're using an SLR camera or a telescope with a 77mm objective, this filter is designed to enhance your astrophotography experience.

Packaging:

Your Optolong 77mm Clear Sky Filter arrives securely packaged, ready to transform your night sky photography with its precision engineering.

Enjoy the brilliance of the night sky with the Optolong 77mm Clear Sky Filter. Bid farewell to light pollution as you welcome vivid, breathtaking images into your portfolio. Elevate your photography with Optolong—the clear choice for stunning celestial captures, now tailored for your 77mm lenses.