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  1. Optec - Optec Deep Sky filter, mounted in 50mm bushing (46mm clear aperture), 4.0 +/- 0.1mm thick.
  2. Optec - Johnson R (Red) filter for SSP-3 or SSP-5 with R6358 PMT.

    Optec - Johnson R (Red) filter for SSP-3 or SSP-5 with R6358 PMT.

    Optec - Johnson R (Red) filter ... Learn More
    Model#: 17034
    $85.00

  3. Optec - Takahashi 2.5" (63mm) male threaded mount to OPTEC-2400 dovetail adapter.

    Optec - Takahashi 2.5" (63mm) male threaded mount to OPTEC-2400 dovetail adapter.

    he  Takahashi 2.5" mount fits the Sky 90 telescope drawtube with the TKP35001 coupling removed ... Learn More
    Model#: 17451
    $85.00

  4. Optec - 3-" to Starlight Instruments 4.1x24tpi thread mount.

    Optec - 3-" to Starlight Instruments 4.1x24tpi thread mount.

    Starlight mount screws directly onto Starlight equipment with ... Learn More
    Model#: 17813
    $85.00

  5. Optec - Johnson B (Blue) filter for SSP-3 or SSP-5 with R6358 or R6350 PMT

    Optec - Johnson B (Blue) filter for SSP-3 or SSP-5 with R6358 or R6350 PMT

    Optec - Johnson B (Blue) filter ... Learn More
    Model#: 17032
    $85.00

  6. Optec - Johnson U (Ultra-violet) filter for SSP-5 with R6350 PMT.

    Optec - Johnson U (Ultra-violet) filter for SSP-5 with R6350 PMT.

    Optec - Johnson U (Ultra-violet) filter ... Learn More
    Model#: 17041
    $85.00

  7. Optec - 3-" to STL camera mount.

    Optec - 3-" to STL camera mount.

    3-inch STL camera mount bolts directly onto SBIG STL ... Learn More
    Model#: 17806
    $85.00

  8. Optec - 3-" to OPTEC-3600 mount.

    Optec - 3-" to OPTEC-3600 mount.

    3-inch Drawtube Adapter allows multiple 3-inch Optec devices such as ... Learn More
    Model#: 17811
    $85.00

  9. Optec - Johnson I (Infrared) filter for SSP-3

    Optec - Johnson I (Infrared) filter for SSP-3

    Optec - Johnson I (Infrared) filter ... Learn More
    Model#: 17035
    $85.00

  10. Optec - 3-" to 2" reducer bushing with removable compression ring.

    Optec - 3-" to 2" reducer bushing with removable compression ring.

    Reducing Adapter allows equipment with a 2-inch drawtube ... Learn More
    Model#: 17804
    $85.00

  11. Optec - Takahashi 2.8" (72mm) male mount, fits the Takahashi Mewlon 210 and 250, to OPTEC-2400.

    Optec - Takahashi 2.8" (72mm) male mount, fits the Takahashi Mewlon 210 and 250, to OPTEC-2400.

    The #17651 Takahashi 2.8-inch mount screws directly onto the 72mm male thread of the Mewlon series  telescopes and presents the OPTEC-2400 dovetail for attachment of any device with an OPTEC-2400 receiver.Outside Diameter: 3 ... Learn More
    Model#: 17651
    $85.00

  12. Optec - AstroPhysics 2.7" male threaded mount to OPTEC-2400 dovetail.

    Optec - AstroPhysics 2.7" male threaded mount to OPTEC-2400 dovetail.

    The AstroPhysics 2.7-inch mount screws directly into the AP female thread and presents the OPTEC-2400 dovetail for attachment of any device with an OPTEC-2400 receiver.Overall Height: 0.85" (21.6mm)Clear Aperture: 2.15" (54 ... Learn More
    Model#: 17458
    $85.00

  13. Optec - Meade RCX 3-" threaded mount to OPTEC-3600 dovetail adapter.

    Optec - Meade RCX 3-" threaded mount to OPTEC-3600 dovetail adapter.

    Meade's RCX line of telescopes were originally designed with a movable corrector and secondary.  This design included a large plastic cover on the back of the OTA ... Learn More
    Model#: 17824
    $95.00

  14. Optec - PlaneWave CDK 12.5 mount to OPTEC-2400 dovetail adapter.

    Optec - PlaneWave CDK 12.5 mount to OPTEC-2400 dovetail adapter.

    The  PlaneWave 12.5" CDK mount fits the rear pinch-plate cover of the rear cell and presents the OPTEC-2400 dovetail for attachment of any device with an OPTEC-2400 receiver ... Learn More
    Model#: 17417
    $95.00

  15. Optec - 3000 standard receiver with 3-inch receiver port

    Optec - 3000 standard receiver with 3-inch receiver port

    Standard 3-inch receiver is included with #17747. Specify OPTEC-3000 camera mount separately ... Learn More
    Model#: 17750
    $95.00

  16. Optec - Meade / Celestron 2 " 24tpi thread (SCT thread) to OPTEC-3600 dovetail adapter.

    Optec - Meade / Celestron 2 " 24tpi thread (SCT thread) to OPTEC-3600 dovetail adapter.

    Occasionally, we have a request to attach our large 3-inch focuser and rotators to the standard SCT 2 inch x 24tpi rear cell thread of the Meade and Celestron SCT telescopes ... Learn More
    Model#: 17829
    $95.00

  17. Optec - Remote IN/OUT Keypad

    Optec - Remote IN/OUT Keypad

    The plastic control box for the TCF-S focuser was never intended for frequent use at the telescope using it in a manual operating mode ... Learn More
    Model#: 17680
    $95.00

  18. Optec - Meade Telescope Mount for 3" Rear Cell Thread to OPTEC-3600 dovetail adapter.

    Optec - Meade Telescope Mount for 3" Rear Cell Thread to OPTEC-3600 dovetail adapter.

    The Meade 3-inch mount screws directly onto the large 3-inch diameter rear cell thread of the Meade 10/12/14"  class Schmidt Cassegrain Telescopes ... Learn More
    Model#: 17802
    $95.00

  19. Optec - Precision Clear filter for use with Bessell set, Multilayer A/R coated, 5.0±0.1mm thick.

    Optec - Precision Clear filter for use with Bessell set, Multilayer A/R coated, 5.0±0.1mm thick.

    Optec - Precision Clear filter for use with Bessell set ... Learn More
    Model#: 17251
    $95.00

  20. Optec - Takahashi M125x1mm to OPTEC-3600 dovetail adapter

    Optec - Takahashi M125x1mm to OPTEC-3600 dovetail adapter

    Takahashi M125x1mm to OPTEC-3600 dovetail adapter. ... Learn More
    Model#: 19809
    $95.00

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Optec, Inc. is located in Lowell, Michigan, just east of the Grand Rapids metropolitan area. For many years now the company has been in the forefront of research and development of astronomical, visibility, and video/CCD microscopy optical instruments for both amateurs and professional alike.

Optec was incorporated in 1979 and is the successor to DOAA Enterprises; a Detroit based company founded by an Oakland University college student, Gerald Persha. Under the leadership of Persha, Optec has grown from a small basement operation to a corporation employing 7 technicians, machinists, and sales staff. Optec's roots are founded strongly in astronomical research instrumentation with products such as the SSP line of solid-state photometers, photomultiplier tube and CCD photometers, the patented TCF- temperature compensated focuser and the recent addition of the Pyxis 3-inch, a high precision camera field rotator for large telescopes.

Optec has a support staff of many diverse and qualified individuals, who take great pride in their accomplishments at the company. 

Optec maintains and uses the Optec Observatory, a small observatory and testing laboratory for Optec's astronomical product line. Using a Meade 10" LX200 telescope and CCD cameras from SBIG. In addition to the Optec SSP single channel photometer line, the Optec Observatory is fully computer controlled with separate control room and observing deck. Recent additions to the observatory now allow remote operations of the telescope, photometer, and CCD camera control software. 

In addition to the astronomical product line, Optec designs and manufactures optical couplers for video/CCD microscopy, atmospheric visibility measuring instruments such as the Model LPV transmissometer and the NGN integrating nephelometer. These unique instruments are used to monitor the air quality in many of the national parks in the USA as part of the Improve Network.