Diameter 25.4mm Focal Length K9 Material Plano-convex Lens
·Material: K9
·Center deviation: 3’
·Aperture: 1~5
·Diameter tolerance (φ): +0.0/-0.20
·Local aperture: 0.2~0.5
·Center thickness (Tc): ± 0.1
·Surface: 60-40 S/D
·Light aperture: >90% φ
Diameter(mm)
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Focal Length(mm)
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AR Coating
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Center thickness(mm)
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Edge thickness(mm)
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25.4
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40
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755
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5.6
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1.4
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25.4
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50
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1064
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4.9
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1.5
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25.4
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63.5
|
755
|
4.75
|
2.2
|
Return or Exchange
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If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back.
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Please contact me before you return it.
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If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
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If item is defective after 3 months, you can still send it back to us.
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We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
Policies
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We are not responsible for any custom duty or import tax.
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We will leave POSITIVE FEEDBACK after receiving the payment.Please contact us if you are not satisfied with the item after receive it.
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All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.
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Serious Buyer Only! Please place bid only if you agree with all the terms.
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If you have any problems or concerns whatever with your order or products,please message us and give us a chance to assist you before you leave any feedback.
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We believe we can produce a positive outcome to any situation and will work hard to earn your praise.
Shipping
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We Ship to Worldwide. Please contact with us if didn't find your country.
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Items will be shipped within 1-10 business days on payment received.
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Delivery time depends on destination and other factors, it may takes up to 20 business days.