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Touch-up / Refiguring & Coating Service
OMI's in-house Mirror Coating Service is performed by professional opticians - working with professional equipment to provide you with a mirror that meets OMI’s quality standards.
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When it’s time to have your mirror re-coated,
consider our Mirror Touch-up / Refiguring Service.
- Remove the old coating.
- Test the mirror with Ronchi, Knife edge and interferometer providing Ronchigrams, Foucaultgrams and P-V, RMS, Strehl.
- If we find that there is a problem with your mirror’s surface, you have the option of letting our professional opticians upgrade it to OMI Quality Specs before we re-coat your mirror. There are typically two types of refiguring jobs, depending on the condition of your mirror’s surface; Type 1: Touch-up or Type 2: Refiguring. We will tell you what the mirror needs and provide a quote.
- Re-test the mirror providing all of the “after” results mentioned above
- Coat the mirror
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Touch-up / Refiguring Service
(Coating Service included)
Type 1: Touch-up Service
To qualify for a Type 1 Touch-up Service, your mirror must have the following characteristics:
- Spherical aberration or mild zonal errors that do not exceed 3 waves.
- An acceptable edge (no significant turned-down or turned-up edge).
- No significant errors of asymmetry such as astigmatism, trefoil, or clover leaf.
If your mirror has Type 1 characteristics, our opticians can touch up your mirror’s figure to meet or exceed OMI Quality Specs. The prices for this service are shown in the table to the right.
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Touch-up Service prices
Includes the cost of recoating your mirror with 96% reflective enhanced aluminum. |
| Aperture |
Price |
| 12.5" |
$690 |
| 14.5" |
$715 |
| 15" |
$715 |
| 16" |
$880 |
| 18" |
$1,000 |
| 20" |
$1,225 |
| 22" |
$1,340 |
| 24" |
$1,580 |
| 25" |
$1,910 |
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Type 2: Refiguring Service
(re-polish to sphere, then parabolize.)
If your mirror does not qualify for a Type 1 Touch-up Service and has any of the the following characteristics, it requires Type 2 Refiguring:
- Spherical aberration or sharp zonal errors that exceed 3 waves.
- Significant turned-down or turned-up edge.
- Significant errors of asymmetry such as astigmatism, trefoil, or clover leaf.
If your mirror has the Type 2 characteristics, our professional opticians must first polish your mirror back to a sphere before refiguring. The prices for this service (shown in the table to the right) take into account the existing focal ratio of your mirror:
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Refiguring Service prices
Includes the cost of recoating your mirror with 96% reflective enhanced aluminum. |
| Aperture |
Price |
| 12.5" F/4 |
$1,065 |
| 12.5" F/4.5+ |
$865 |
| 14.5" F/4 |
$1,350 |
| 14.5" F/4.5+ |
$1,100 |
| 15" F/4 |
$1,550 |
| 15" F/4.5+ |
$1,300 |
| 16" F/4 |
$1,850 |
| 16" F/4.5+ |
$1,600 |
| 18" F/4 |
$2,250 |
| 18" F/4.5+ |
$1,950 |
| 20" F/4 |
$3,100 |
| 20" F/4.5+ |
$2,800 |
| 22" F/4 |
$3,600 |
| 22" F/4.5+ |
$3,200 |
| 24" F/4 |
$4,600 |
| 24" F/4.5+ |
$4,100 |
| 25" F/4 |
$5,000 |
| 25" F/4.5+ |
$4,400 |
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| Mirror Coating Service (no Touch-up or Refiguring) |
IBAD-96 coating
primary mirrors |
| Aperture |
Price |
| <4" |
$40 |
| 6" |
$45 |
| 8" |
$80 |
| 10" |
$125 |
| 12.5" |
$200 |
| 15" |
$280 |
| 16" |
$320 |
| 18" |
$400 |
| 20" |
$500 |
| 22" |
$600 |
| 24" |
$720 |
| 25" |
$780 |
| 30" |
$1125 |
| 32" |
$1280 |
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IBAD-96 coating
elliptical flat secondary mirrors |
| Aperture |
Price |
| Up to 2.6" minor axis diameter |
$40 |
| Up to 4.5" minor axis diameter |
$50 |
| Up to 6.0" minor axis diameter |
$80 |
Read more about our IBAD-96 coating service
For additional information contact James Mulherin
via E-mail jcmulherin@opticalmechanics.com
or telephone (319) 351-3960
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