ANQILAFU Bahtinov Focusing Assist Accessory for Astronomical Lightweight Aluminum Hex Wrench Included Mask, Telescopes, High-Transparency Glass,

【Important Notice for International Buyers – Tomoayax Japan Rare Authentic Items】

■ Authenticity All items we sell are 100% authentic.

We carefully source our products from trusted suppliers in Japan.

■ Condition Many of our items are rare, vintage, or pre-owned.

Such items may show signs of age, storage, or previous use, including minor scratches, wear, or deterioration.

Condition may vary depending on individual expectations. Please carefully review all photos and descriptions before purchase.

■ Buyer Responsibility The buyer is fully responsible for understanding the item condition and details before purchase.

We do not accept claims based on subjective expectations (e.g., "not as expected").

■ No Return / No Refund Policy All sales are final.

We do NOT accept returns or refunds for: ・Minor scratches, aging, or signs of use ・Differences in personal expectations ・Color or appearance differences due to lighting or display ・Any condition clearly shown in photos or described

■ Functionality Unless otherwise stated, we do not guarantee long-term performance or durability.

Especially for vintage items, future functionality cannot be guaranteed.

■ Liability We are not responsible for any damage, deterioration, or issues after delivery.

■ Final Notice Please ensure full understanding of the above before purchasing. **Precise Focusing** – The pattern etched into the high-transparency glass creates sharp spikes, enabling quick and accurate focusing during astrophotography. **Durable Construction** – Featuring an aluminum alloy frame with an oxidized surface, it is lightweight yet sturdy and designed to resist deterioration even after long-term use. **Compact Design** – Measuring **57mm (2.24 inches)** in diameter, **22mm (0.87 inches)** in height, and weighing only **28g (1 oz)**. Easy to carry and perfect for observation trips. **Easy Installation Method** – Securely attach by simply tightening the three fixing screws with an Allen wrench. Minimizes the need to remove the objective lens cap, allowing for smooth use. **Wide Compatibility** – Compatible with objective lens caps with inner diameters of **44–51mm (1.73–2.00 inches)**, making it suitable for a wide range of telescopes. Suitable for beginners to advanced users. Product features * High-transparency glass produces clear star images. * Lightweight and sturdy thanks to its aluminum alloy frame. * Size: 57mm x 22mm, Weight: 28g * Three-point fixing system with hex wrench included * Compatible with inner diameters of 44-51mm