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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Shelyak Spare Lamp for Flats

Shelyak Spare Lamp for Flats

par Shelyak
UGC SHK-EL0116
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
Égalisation de prix!
  • Replacement Tungsten Lamp
  • Spare Part for Flat-Field Calibrators
  • Ensures Consistent, Repeatable Illumination
En rupture temporaire
Alerte de retour en stock
Info disponibilité
Admissible à la livraison GRATUITE aux USA pour les commandes de plus de 350$.
  • Description
  • FAQ

  • Spare Lamp for Flats

    This is a direct replacement tungsten lamp for flat-field calibration units. It provides the stable, continuous-spectrum light source required for creating high-quality flat frames, ensuring your astrophotography is free from artifacts like dust motes and vignetting. Keeping a spare on hand is critical for preventing a burned-out bulb from ending an imaging session prematurely.

    Tungsten Lamp: Consistent Illumination for Flat-Field Calibration

    A reliable light source is the foundation of accurate data calibration. This tungsten lamp is designed to deliver consistent output and color temperature, allowing you to build a reliable library of flat frames. Its incandescent nature produces a smooth, broadband spectrum ideal for calibrating both monochrome and color sensors without introducing unwanted spectral lines.

    Lamps are consumable components with a finite lifespan. Having this spare ensures that when your primary lamp eventually fails—often at the most inconvenient moment during a clear night—you can replace it quickly and continue your imaging run with minimal downtime. It is an essential part of any imager's field kit.

  • What is this spare lamp for flats used for?

    This is a replacement tungsten lamp intended for use in an astronomical flat-field calibration device (a "flat box" or "flat panel"). Its purpose is to provide a uniform, stable light source for taking flat frames, which are essential for correcting optical artifacts in your images.

    Why do I need a spare lamp for my calibration unit?

    Like any incandescent bulb, the lamp in your flat box has a limited operational life and will eventually burn out. This can happen without warning. Keeping a spare lamp on hand ensures that a simple bulb failure doesn't ruin an imaging session, allowing you to replace it in the field and continue your work.

    Why is a tungsten lamp used for creating flat frames?

    Tungsten filaments produce a continuous, broadband spectrum of light. This is ideal for calibration because it evenly illuminates pixels across the entire sensor, working well for both monochrome and one-shot-color cameras without the emission line spikes found in other lamp types like fluorescent or some LEDs.

    Is this spare lamp compatible with my specific flat panel?

    This is a spare part designed for specific models of flat-field generators. As compatibility varies, you should consult the manual for your calibration device to confirm that this is the correct replacement lamp before purchasing.

    How will this spare lamp help when imaging faint targets like the Horsehead Nebula (B33)?

    Imaging faint targets like the Horsehead Nebula (B33) requires aggressive contrast stretching, which greatly exaggerates any dust on your sensor or vignetting in your optical train. A high-quality flat frame, taken with a stable light source like this tungsten lamp, allows your software to perfectly remove these defects. This ensures the faint, delicate details of the nebula are not obscured by artifacts.

    Does a good flat frame matter for bright targets like the Orion Nebula (M42)?

    Yes, absolutely. While bright objects like the Orion Nebula (M42) may not require as much stretching, an uncalibrated image will still show distracting dust rings and darkened corners (vignetting). Using a flat frame created with this lamp ensures a clean, evenly illuminated final image, allowing the full dynamic range and structure of the nebula to be presented correctly.