YOKIVE set of double concave clear glass optical lenses Ideal for telescope and optical instruments 150mm focal 2-piece lenses, construction,

【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.

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

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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.

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■ Final Notice Please ensure full understanding of the above before purchasing. Multipurpose Use - This biconcave lens is ideal for scientific laboratories, offices, and everyday use, and is suitable for scientific researchers, office workers, and homes. Product Contents - Includes two concave lenses measuring 50x6mm/1.97x0.24" (outer diameter x height) with a focal length of 150mm. Highly reliable material - Made of glass, this biconcave lens is safe, scratch-resistant, reusable, and delivers excellent optical performance. Special Design - Precisely measured and meticulously polished, this biconcave lens can be used in telescope construction under various conditions, effectively collecting light and helping to provide a clear image of objects. Please note: Carefully check the dimensions before ordering. Handle the lenses with care after receiving the product. Multipurpose Use - This biconcave lens is ideal for scientific laboratories, offices, and everyday use, and is suitable for scientific researchers, office workers, and homes. Product Contents - Includes two concave lenses measuring 50x6mm/1.97x0.24" (outer diameter x height) with a focal length of 150mm. Highly reliable material - Made of glass, this biconcave lens is safe, scratch-resistant, reusable, and delivers excellent optical performance. Special Design - Precisely measured and meticulously polished, this biconcave lens can be used in telescope construction under various conditions, effectively collecting light and helping to provide a clear image of objects. Please note: Carefully check the dimensions before ordering. Handle the lenses with care after receiving the product.