RMI Inspection Trip Results Report

Al Davis 5/23/2000

 

 

 

P/N 89-NOAO-4200-1001 S/N 001 (CaF2) CX – Plano

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         5.8985” *                          S/B 5.9055” +/- .0039”

 

 

Central Thickness                     .6080                                 S/B .5906” +/- .0276”

 

 

Bevels                                      Good                                       Good

 

 

Note 11—Mark “EW”            Note 11 will be done after coating

 

 

Note 12—Mark “ARROW”            Note 12 will be done after coating

 

 

B to D—Measure run out of A            .00010”

 

 

Test Plate—Radii-A                271.3562”Avg.          S/B 271.0236” +/- 1.9685”

 

Irregularity                              1/8 Wave

 

Fit of Test Plate to Lens 2-3/4 rings of CC power. Irregularity less than .250 P.V.

 

 

Radii-B            Infinity and 3 rings of CX power.     S/B +/- 10 fringes from infinity

                        (see attached photo)

 

 *Outer diameter measurement is below the tolerance. Blanks were received in under size and accepted by NOAO.

 



 P/N 89-NOAO-4200-1001 S/N 002 (CaF2) CX – Plano

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         5.8980” *                    S/B 5.9055” +/- .0039”

 

 

Central Thickness                     .6140                            S/B .5906” +/- .0276”

 

 

Bevels                                      Good                                       Good

 

 

Note 11—Mark “EW”            Note 11 will be done after coating

 

 

Note 12—Mark “ARROW”            Note 12 will be done after coating

 

 

B to D—Measure run out of A            .00025”                S/B .0004” or less

 

 

Test Plate—Radii-A                        271.3562”Avg.        S/B 271.0236” +/- 1.9685”

 

Irregularity                                    1/8 Wave

 

Fit of Test Plate to Lens 1-1/4 rings of CX power. Irregularity less than .250 P.V.

 

 

Radii-B                        1-1/8 rings of CX power. S/B +/- 10 fringes from Infinity

 

Irregularity                    .194 P.V. (see attached photo)

 

 *Outer diameter measurement is below the tolerance. Blanks were received in under size and accepted by NOAO.

 



P/N 89-NOAO-4200-1001 S/N 003 (CaF2) CX – Plano

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         5.8995” *                    S/B 5.9055” +/- .0039”

 

 

Central Thickness                     .6127                           S/B .5906” +/- .0276”

 

 

Bevels                                      Good                                       Good

 

 

Note 11—Mark “EW”            Note 11 will be done after coating

 

 

Note 12—Mark “ARROW”            Note 12 will be done after coating

 

 

B to D—Measure run out of A            .00010”               S/B .0004” or less

 

 

Test Plate—Radii-A                        271.3562”Avg.        S/B 271.0236” +/- 1.9685”

 

Irregularity                                        1/8 Wave

 

Fit of Test Plate to Lens 1-1/4 rings of CC power. Irregularity less than .250 P.V.

 

 

Radii-B                   Infinity with 1-3/4 CC power.      S/B +/- 10 fringes from Infinity

 

Irregularity                    .179 P.V. (see attached photo)

 

 *Outer diameter measurement is below the tolerance. Blanks were received in under size and accepted by NOAO.

 

 



P/N 89-NOAO-4200-1001 S/N 004 (CaF2) CX – Plano

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         5.8990” */**             S/B 5.9055” +/- .0039”

 

 

Central Thickness                     .6152”                        S/B .5906” +/- .0276”

 

 

Bevels                                      Good                                       Good

 

 

Note 11—Mark “EW”            Note 11 will be done after coating

 

 

Note 12—Mark “ARROW”            Note 12 will be done after coating

 

 

B to D—Measure run out of A            .00010”             S/B .0004” or less

 

 

Test Plate—Radii-A                        271.3562”Avg.     S/B 271.0236” +/- 1.9685”

 

Irregularity                                        1/8 Wave

 

Fit of Test Plate to Lens 2 rings of CX power. Irregularity less than .250 P.V.

 

 

Radii-B            Infinity plus 3/4 of a wave CX power. S/B +/- 10 fringes from Infinity

 

Irregularity                    .147 P.V. (see attached photo)

 

 *Outer diameter measurement is below the tolerance. Blanks were received in under size and accepted by NOAO.

**Outer Diameter has some scratches.

 



P/N 89-NOAO-4200-1020 (SF6) CC - CX

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                     5.9455”                S/B 5.9449” +/- .0031”

 

 

Central Thickness                     .6259”               S/B .6114” +/- .0197”

 

 

Bevels                                      Good                                       Good

 

 

Annulus to Vertex                      .9460”                 S/B .9457” +/- .0039”

 

 

Note 10—Mark “SB2”            Note 10 will be done after coating

 

 

B to D—Measure run out of A            .00020”                       S/B .0004” or less

 

 

B to D—Measure run out of C            .00010”                       S/B .0004” or less

 

 

Radii-A                                            12.0255”CC         S/B 12.0260” +/- .0016”

 

Irregularity                                .169 P.V. (see attached photo)

 

 

Test Plate—Radii-B                        43.7883” CX          S/B 43.7776” +/- .0551”

 

Irregularity                                .074 P.V. (see attached photo)

 

Fit of Test Plate to Lens 3 rings of CC power. Irregularity less than .250 P.V.

 

 

 



P/N 89-NOAO-4200-1022 (BaF2) CX - CC

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         3.8470”                     S/B 3.8583” +/- .0039”

 

 

Central Thickness                     1.1834”                     S/B 1.1846” +/- .0008”

 

 

Bevels                                      Good                                       Good

 

 

Vertex to Annulus                        1.7338”                  S/B 1.7331” +/- .0039”

 

 

Note 11—Mark “SB4”            Note 11 will be done after coating

 

 

A to D—Runout of B                  .00020”                    S/B .0004” or less

 

 

A to D—Runout of C                  .00020”                    S/B .0004” or less

 

 

Radii-A                                    4.3056”CX                 S/B 4.3067” +/- .0016”

 

Irregularity                                Less than .250 (see attached photo)

 

 

Radii-B                                    2.4232” CC                 S/B 2.4232” +/- .0039”

 

Irregularity                  .187 P.V. (see attached photo)   S/B .250 P.V. or better

 

 

 


 

 


P/N 89-NOAO-4200-1024 (SF6) CC - CX

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         5.6295”              S/B 5.6299” +/- .0031”

 

 

Central Thickness                     .4262”                S/B .4339” +/- .0079”

 

 

Bevels                                      Good                                       Good

 

 

Vertex to Annulus                        .5279”               S/B .5323” +/- .0039”

 

 

Note 11—Mark “LB2”            Note 11 will be done after coating

 

 

B to D—Runout of C                  .00020”               S/B .0004” or less

 

 

B to D—Runout of A                  .00005”                S/B .0004” or less

 

 

Radii-A                                    35.9570”CC           S/B 35.9575” +/- .0157”

 

Irregularity                                .196 P.V. (see attached photo)

 

 

Test Plate Radii-B                        81.375” CX         S/B 81.3780” +/- .0787”

 

Irregularity                            Less than .250 P.V.     S/B .250 P.V. or better

 

Fit of Test Plate to Lens 3 rings of CC power. Irregularity less than .250 P.V.

 

 

 



P/N 89-NOAO-4200-1025 (CaF2) CC - CX

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         2.7564”              S/B 2.7559” +/- .0031”

 

 

Central Thickness                     .6353”                S/B .6319” +/- .0039”

 

 

Bevels                                      Good                                       Good

 

 

Annulus to Vertex                      .8337”*             S/B .8280” +/- .0039”

 

 

Note 11—Mark “LB3”            Note 11 will be done after coating

 

 

B to D—Measure run out of A            .00020”       S/B .0004” or less

 

 

B to D—Measure run out of C            .00015”       S/B .0004” or less

 

 

Radii-A                                    3.8976”CC            S/B 3.8976” +/- .0012”

 

Irregularity                                .096 P.V. (see attached photo)

 

 

Test Plate -- Radii-B                        4.1488” CX     S/B 4.1488” +/- .0012”

 

Irregularity                                Less than .250 P.V. (see attached photo)

 

 *Annulus to Vertex was over tolerance by .0018”

 


 


P/N 89-NOAO-4200-1027 (CaF2) CC - CC

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good*                                     Good

 

 

Outer Diameter                         6.4982”          S/B 6.4961” +/- .0032”

 

 

Central Thickness                     .5962”              S/B .5925” +/- .0039”

 

 

Bevels                                      Good                                       Good

 

 

Vertex to Annulus                        1.0004”**       S/B .9956” +/- .0039”

 

 

Note 11—Mark “SR2”            Note 11 will be done after coating

 

 

B to D—Measure run out of A            .00020”       S/B .0004” or less

 

 

B to D—Measure run out of C            .00020”       S/B .0004” or less

 

 

Radii-A                                    12.0493”CC            S/B 12.0492” +/- .0039”

 

Irregularity                                .191 P.V. (see attached photo)

 

 

Radii-B                                    73.0323” CC            S/B 73.0020” +/- .1969”

 

Irregularity                                .134 P.V. (see attached photo)

 

 *Dimensions of large stoned out chip (see attached sheet)

**Vertex to Annulus over tolerance by .0009”

 



P/N 89-NOAO-4200-1030 (CaF2) CX - CC

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good                                       Good

 

 

Outer Diameter                         6.0265”                 S/B 6.0236” +/- .0031”

 

 

Central Thickness                     .4780”*                 S/B .4740” +/- .0039”

 

 

Bevels                                      Good                                       Good

 

 

Vertex to Annulus                        .7871”**              S/B .7819” +/- .0039”

 

 

Note 11—Mark “LR1”            Note 11 will be done after coating

 

 

A to D—Measure run out of C            .00040”          S/B .0004” or less

 

 

A to D—Measure run out of B            .00025”           S/B .0004” or less

 

 

Test Plate -- Radii-A                        28.0000”CX      S/B 28.0000” +/- .0394”

 

Irregularity                                .100 P.V. (see attached photo)

 

Fit of Test Plate to Lens 7 rings of CX power        S/B less than 18 rings +/-

 

Irregularity                                Less than .250 P.V.

 

 

Radii-B                                    12.7772” CC             S/B 12.7783” +/- .0035”

 

Irregularity                                .170 P.V. (see attached photo)

 

 *Central Thickness was over tolerance by .0001”

**Vertex to Annulus was over tolerance by .0013”

 

 


 

S/N 89-NOAO-4200-1031 (BaF2) CX - CX

 

                                                Pre Inspection                   Post Inspection

 

Surface-A                                Good                                       Good

 

 

Surface-B                                 Good*                                     Good

 

 

Outer Diameter                         5.5895”              S/B 5.5906” +/- .0031”

 

 

Central Thickness                     .7520”                 S/B .7504” +/- .0039”

 

 

Bevels                                      Good                                      

 

 

Note 11—Mark “LR2”            Note 11 will be done after coating

 

 

A to D—Measure run out of B            .00025”        S/B .0004” or less

 

 

Radii-A                                    13.6255”CX            S/B 13.6276” +/- .0047”

 

Irregularity                                Less than ¼ wave (see attached photos)

 

 

Test Plate -- Radii-B  &