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  1. 17356

    Optec - 5-position Filter Wheel for 50mm diameter filters with mounting tabs

    New filter wheel design allows filters to be easily installed and removed with delrin tabs and spacers. Tab and spacer kit #17581 is included ... Learn More
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    (48 States)
    Model#: 17356
    $225.00

  2. 17357

    Optec - 8-Position Filter Wheel, for 25.4m Filters with Mounting Tabs

    New filter wheel design allows filters to be easily installed and removed with delrin tabs and spacers. Tab and spacer kit #17580 is included ... Learn More
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    (48 States)
    Model#: 17357
    $245.00

  3. Optec - IFW 3" Intelligent 3" Filter Selector System.

    Optec - IFW 3" Intelligent 3" Filter Selector System.

    To meet the needs of the ever increasing CCD size used in astro-imaging, ... Learn More
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    (48 States)
    Model#: 17360
    $1,295.00

  4. 17361

    Optec - 5-position Filter Wheel for 58mm Square Filters with mounting tabs

    Wheel design allows for up to 5 filters of 58mm square size to be user installed. The 58mm square filters are a new standard from Optec. Wheel can easily be inserted into the filter wheel selector without removing anything from the instrument train ... Learn More
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    (48 States)
    Model#: 17361
    $345.00

  5. 17362

    Optec - 6-position Filter Wheel for 50mm Square Filters with mounting tabs

    Wheel design allows for up to 6 filters of 50mm square size to be user installed. The 50mm square filters are not available from Optec but are commonly available from other astronomical filter suppliers ... Learn More
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    (48 States)
    Model#: 17362
    $345.00

  6. 17363

    Optec - 9-position Filter Wheel for 50mm Round Filters with mounting tabs

    Wheel design allows for up to 9 filters of 50mm round size to be user installed. Optec has a complete selection of 50mm round filters. Wheel can easily be inserted into the filter wheel selector without removing anything from the instrument train ... Learn More
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    (48 States)
    Model#: 17363
    $345.00

  7. Optec - NextGEN MAXfield NGM 0.33X Telecompressor Lens

    Optec - NextGEN MAXfield NGM 0.33X Telecompressor Lens

    Second generation MAXfield telecompressor design with 0.33X reduction. Complete redesign of Optec’s premier f/3.3 reducer provides better color correction and a longer back-focus distance. Now compatible with SBIG’S CFW-8 color wheel. Stk ... Learn More
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    (48 States)
    Model#: 17403
    $250.00

  8. Optec - NextGEN WideField NGW 0.5X Telecompressor Lens

    Optec - NextGEN WideField NGW 0.5X Telecompressor Lens

    Second generation WideField telecompressor design with 0.5X reduction. Re-design of Optec’s WideField reducer provides improved color correction and longer back-focus. Provides unvignetted field approx. 18mm in diameter ... Learn More
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    (48 States)
    Model#: 17406
    $295.00

  9. Optec - NextGEN Ultra WideField 0.7XL Telecompressor Lens

    Optec - NextGEN Ultra WideField 0.7XL Telecompressor Lens

    New parfocal 0.7X reduction telecompressor specifically designed to work with Apochromat designs such as the Takahashi FS-series, Astrophysics’, and other high-end refractors ... Learn More
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    (48 States)
    Model#: 17409
    $295.00

  10. 17430

    Optec - Violet light rejection filter, mounted in 48mm threaded cell.

    Violet Light Rejection - Blocks the UV and violet light shorter than 420nm. Most refractor optics including apochromatic telescopes are not well corrected in the short wavelengths ... Learn More
    Model#: 17430
    $45.00

  11. Optec - #8 Pale Yellow, mounted in 48mm threaded cell.

    Optec - #8 Pale Yellow, mounted in 48mm threaded cell.

    #8 Pale Yellow - Does a better job blocking the violet and UV at the expense of some blue. Recommended for monchromatic use when the most energy flux is to be passed ... Learn More
    Model#: 17431
    $45.00

  12. Optec - Premium UV blocking filter with 435nm cutoff, mounted in 48mm threaded cell.

    Optec - Premium UV blocking filter with 435nm cutoff, mounted in 48mm threaded cell.

    Premium UV/Violet Block - Optec acquired a limited number of Schott glass filters made from GG-435 glass. Similar to #17431 but of higher optical quality ... Learn More
    Model#: 17432
    $45.00

  13. Optec - #21 Orange, mounted in 48mm threaded cell.

    Optec - #21 Orange, mounted in 48mm threaded cell.

    #21 Orange - Blocks blue completely and some green light. Passes light longer than 560 nm ... Learn More
    Model#: 17433
    $45.00

  14. Optec - #23A Light Red, mounted in 48mm threaded cell.

    Optec - #23A Light Red, mounted in 48mm threaded cell.

    #23A Light Red - Blocks blue and green light completely. Passes light longer than 600nm ... Learn More
    Model#: 17435
    $45.00

  15. Optec - #47B Blue, mounted in 48mm threaded cell.

    Optec - #47B Blue, mounted in 48mm threaded cell.

    #47B Blue - Before the availability of cheap and good dichroic filters, this filter was used for RGB imaging to pass the blue band. Low transmission in the blue and very transparent in the IR makes this filter useful only for special projects ... Learn More
    Model#: 17436
    $45.00

  16. Optec - #29 Deep Red, mounted in 48mm threaded cell.

    Optec - #29 Deep Red, mounted in 48mm threaded cell.

    #29 Deep Red - Passes light longer that 610 nm. This filter is a little more effective than the #23A in dakening the sky ... Learn More
    Model#: 17437
    $45.00

  17. Optec - #58 Light Green, mounted in 48mm threaded cell.

    Optec - #58 Light Green, mounted in 48mm threaded cell.

    #58 Light Green - Like the #47B, this filter was used for early RGB imaging. The low transmission in the green and some IR leak makes it a poor choice now for color work ... Learn More
    Model#: 17438
    $45.00

  18. Optec - Optec LRGB-IR Imaging Filter Set, includes 17246, 17247, 17248 & 17241.

    Optec - Optec LRGB-IR Imaging Filter Set, includes 17246, 17247, 17248 & 17241.

    Optec LRGB-IR Filter Set ... Learn More
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    (48 States)
    Model#: 17445
    $495.00

  19. Optec - Bessell specification B filter for photometry, Multilayer A/R coated, 5mm thick.

    Optec - Bessell specification B filter for photometry, Multilayer A/R coated, 5mm thick.

    Optec - Bessell specification B filter ... Learn More
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    (48 States)
    Model#: 17446
    $325.00

  20. Optec - Bessell specification V filter for photometry, Multilayer A/R coated, 5mm thick.

    Optec - Bessell specification V filter for photometry, Multilayer A/R coated, 5mm thick.

    Optec - Bessell specification V filter ... Learn More
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    (48 States)
    Model#: 17447
    $325.00

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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.