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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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Description
100mm Optical Flat, λ/10, Fused SilicaPrecision fused silica optical flat, finished by classical continuous pitch polishing the same method Lunt has refined over 25 years of building precision Fabry Perot etalons for solar telescopes. Surface flatness measured power included: total deviation including curvature, not power removed. Diameter 100 mm Flatness (P V) 10, power included at 632. 8 nm Material Fused silica Construction Single surface one polished reference face Surface quality
Precision fused silica optical flat, finished by classical continuous pitch polishing — the same method Lunt has refined over 25 years of building precision Fabry-Perot etalons for solar telescopes. Surface flatness measured power-included: total deviation including curvature, not power-removed.
| Diameter | 100 mm |
| Flatness (P-V) | λ/10, power-included at 632.8 nm |
| Material | Fused silica |
| Construction | Single surface — one polished reference face |
| Surface quality | Better than 60-40 scratch-dig (typical) |
| Surface roughness (RMS) | Below 0.020 wave |
| Clear aperture | 90% of diameter (90 mm) |
| Secondary surface | Fine ground to suppress back-surface reflection |
| Coating | Uncoated |
| Wavelength reference | 632.8 nm (HeNe) |
| Packaging | Protective storage case included |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 2353 reviews
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Product Reviews
★★★★★ 5
Very gentle, yet effective
Size: 25 Count (Pack of 1)
These are a great bang for your buck! My daughter struggles with her sensitive skin. These make up wipes are so soft and feels like a gentle clothe. No obnoxious smells, and resealable. Perfect for traveling. Her skin feels great after wiping off the most stubborn water proof make up. The price makes it a no brainer!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2025
★★★★★ 5
Gentle but very effective in removing all types of makeup
Size: 25 Count (Pack of 1)
I had been using a different brand of make up remover towelettes for years until one day I opened up a new pack and my eyes swelled up and my skin looked burned around my eyes . A waited a few days & tried it again and same thing - only worse . It seems that the manufacturer changed the formula ( why manufacturers insist on fixing something when it’s not broken is beyond me ). Anyway , I googled and read up on all kinds of make up remover towelets and took note that the Simple Kind to Skin seemed to have the best reviews . I tried them and have been using them ever since . They are non greasy which I love , extremely gentle on the skin but excellent on removing makeup even stubborn waterproof mascara . And they don’t dry out your skin . Good product . Note to manufacturer : please do not EVER change this formula .
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Reviewed in the United States on June 4, 2018
★★★★★ 5
Good face wipes
Size: 1 Count (Pack of 2)
Nothing left out of description
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Eye makeup remover pads.
Very convenient for traveling! No bottles to mess with and they work very well at removing eye makeup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 5
Great makeup remover pads - ILove them!!
These pads are wonderful. I have used them for many years and love them. They do not irritate my skin but are strong enough to remove eye makeup with no problems.,.ever. Am so glad I found some many years ago and will us for
The rest of my
Life.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2024
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