Feature:1. Easy To Install, Perfect Replacement For The Old Or Damaged One, Reliable To Use.2. Made From High Quality Aluminum Alloy, Which Is Wear-Resistant And Not Easy To Damage.3. Using Fine Workmanship Cnc Technology, The Accuracy Is Higher, Durable.4. The Female Thread Specification Of The Interface Is M42X0.75Mm, The Male Threadspecification Is M42X0.75Mm.5. Various Sizes Of 3Mm/5Mm/7Mm/10Mm/12Mm/15Mm/20Mm/30Mm Are Suitable For Different Models.How To Use:1.&Nbsp;Remove&Nbsp;The&Nbsp;Objective&Nbsp;Lens.2.&Nbsp;Connect&Nbsp;The&Nbsp;Telephoto&Nbsp;Tube&Nbsp;To&Nbsp;The&Nbsp;Eyepiece&Nbsp;And&Nbsp;The&Nbsp;Objective&Nbsp;Lens.3.&Nbsp;Then&Nbsp;Connect&Nbsp;The&Nbsp;Objective&Nbsp;Lens.Specification:Item Type: Lens Extension Tubesmaterial: Aluminum Alloycolor: Blackproduct Size: Approx.3Mm / 0.12In, 5Mm / 0.20In, 7Mm / 0.28In, 10Mm / 0.39In, 15Mm / 0.59In, 20Mm / 0.79In, 30Mm / 1.18In, 12Mm / 0.47Inapplication: Extend The Length Of The Primary Mirror Of The Astronomical Telescopeextinction Treatment: Internal With Extinction Threadinterface Female Thread Specification: M42X0.75Mminterface Male Thread Specification: M42X0.75Mm Package List:1 X 3Mm Extension Tube1 X 5Mm Extension Tube1 X 7Mm Extension Tube1 X 10Mm Extension Tube1 X 12Mm Extension Tube1 X 15Mm Extension Tube1 X 20Mm Extension Tube1 X 30Mm Extension Tubenote:1. Please Allow 1‑2In Error Due To Manual Measurement. Thanks For Your Understanding.2. Monitors Are Not Calibrated Same, Item Color Displayed In Photos May Be Showing Slightly Different From The Real Object. Please Take The Real One As Standard.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What materials are used in the lens adapter ring extension tube kit?A: The lens adapter ring extension tube kit is made from high-quality aluminum alloy. This material is wear-resistant and ensures durability.
Q: What are the dimensions of the extension tubes included in the kit?A: The kit includes various extension tubes with lengths of three millimeters, five millimeters, seven millimeters, ten millimeters, twelve millimeters, fifteen millimeters, twenty millimeters, and thirty millimeters.
Q: What is the thread specification for the lens adapter?A: The thread specification for both the male and female interfaces is M42x0.75 millimeters. This allows for a secure connection with compatible lenses.
Q: How do I install the lens adapter ring extension tubes?A: To install, first remove the objective lens, then connect the telephoto tube to the eyepiece and the objective lens, and finally, attach the objective lens back.
Q: Are these extension tubes suitable for different camera models?A: Yes, the kit includes various sizes of extension tubes that are suitable for different camera models, providing flexibility for different observational needs.
Q: Can I use these extension tubes with my astronomical telescope?A: Yes, these extension tubes are designed to extend the length of the primary mirror of astronomical telescopes, enhancing observation capabilities.
Q: How do I clean and maintain the aluminum alloy tubes?A: To clean the aluminum alloy tubes, use a soft, dry cloth to wipe them down. Avoid using harsh chemicals that could damage the material.
Q: What should I do if the product arrives damaged?A: If the product arrives damaged, please contact customer support for assistance with returns or exchanges. Be sure to keep the original packaging.
Q: Is there a warranty on the lens adapter ring extension tube kit?A: Yes, the lens adapter kit typically comes with a manufacturer's warranty. Check the packaging or product details for specific warranty information.
Q: How do I store the lens adapter tubes when not in use?A: Store the lens adapter tubes in a cool, dry place. It is recommended to keep them in a protective case to prevent scratches and damage.
Q: Are these extension tubes easy to install for beginners?A: Yes, these extension tubes are designed to be user-friendly and can be easily installed by beginners, making them accessible for all users.
Q: Can I use these extension tubes for macro photography?A: Yes, these extension tubes can be effectively used for macro photography as they allow for closer focusing distances with compatible lenses.
Q: Do the extension tubes come with any additional accessories?A: The kit includes extension tubes of various lengths but does not come with additional accessories. Ensure you have compatible lenses for use.
Q: What is the color of the lens adapter ring extension tubes?A: The lens adapter ring extension tubes are black in color, providing a sleek and professional appearance that complements most camera equipment.
Q: Can these extension tubes be used with digital cameras?A: Yes, these extension tubes are compatible with many digital cameras that have M42 lens mounts, allowing for versatile usage.