Plano Concave Lens D25mm H-K9L Uncoated Spherical Concave Lens Optics Experiment
Overview:
One side of the plano-concave lens is flat and the other side is concave.
It is often used for beam expansion, projection and expansion of the focal length of optical systems.
Specification:
Material: K9 optical glass
Diameter: 25mm
Design wavelength: 632.8nm
Focal length tolerance: ±2%
Diameter tolerance: +0.0/-0.1mm
Thickness tolerance: ±0.2mm
Irregular face shape: λ/4@632.8nm
Surface quality: 3-4 level
Lens centering error: 3'
Bevelling: <0.2x45°
Uncoated
（We are good at customizing lenses, you can provide drawings and we will evaluate.）
Customized product：
Company Information：
Production equipment：
Payment:
1.We only accept payments from PayPal and all major credit cards accepted by Paypal.For payment issues, please contact us first.
2.We are not responsible for any custom duty or import tax.
3.We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.We will reply to you as soon as possible.
Shipping:
1. Items will be shipped within 1-10 business days on payment received.
2. If you want to buy more than the "available quantity", please contact us.
3. We ship it from China, please understand the time it will take for international transportation.Delivery time depends on destination and other factors, it may takes up to 25 business days.
4. If you want us to ship it by the express such as EMS/DHL/FedEx in order that you could receive it very soon, please contact us in advance, we could send you an invoice with the EMS/DHL/UPS/FedEx shipping fee.
5. If you have any questions, please contact us directly.
About Us：
1.We are a professional manufacturer of optical components, such as lenses, windows, spherical lenses, filters, and cylindrical lenses. If you need something else, please leave a message.
2. Welcome to inquire or send us an email, we will provide you with the best price and quality service.
Feedback:
1.Your feedback is really important to us, please take a few seconds to leave great feedback,if you are satisfied with our product or service, so thank you very much!
2.If our goods or service do not satisfy you or have any questions, please contact us and give us an opportunity to improve before opening a dispute or leaving any feedback.
3.You can contact me if you have any questions.
1.We only accept payments from PayPal and all major credit cards accepted by Paypal.For payment issues, please contact us first.
2.We are not responsible for any custom duty or import tax.
3.We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.We will reply to you as soon as possible.
1. Items will be shipped within 1-10 business days on payment received.
2. If you want to buy more than the "available quantity", please contact us.
3. We ship it from China, please understand the time it will take for international transportation.Delivery time depends on destination and other factors, it may takes up to 25 business days.
4. If you want us to ship it by the express such as EMS/DHL/FedEx in order that you could receive it very soon, please contact us in advance, we could send you an invoice with the EMS/DHL/UPS/FedEx shipping fee.
5. If you have any questions, please contact us directly.
About Us：
1.We are a professional manufacturer of optical components, such as lenses, windows, spherical lenses, filters, and cylindrical lenses. If you need something else, please leave a message.
2. Welcome to inquire or send us an email, we will provide you with the best price and quality service.
Feedback:
1.Your feedback is really important to us, please take a few seconds to leave great feedback,if you are satisfied with our product or service, so thank you very much!
2.If our goods or service do not satisfy you or have any questions, please contact us and give us an opportunity to improve before opening a dispute or leaving any feedback.
3.You can contact me if you have any questions.
