Optics

A coma corrector is a vital optical accessory designed specifically for Newtonian telescopes. These telescopes often exhibit a form of distortion known as "coma," which causes stars at the edge of the field of view to appear comet-like. To address this issue, the coma corrector, also known as a field flattener, is employed.

The Deluxe Projection Adapter offers a premium solution tailored for telescopes equipped with a 2" focuser. It accommodates most 1.25" barrel eyepieces, including medium-sized ones that typically don't fit standard projection adapters, such as 32mm Super Plossls or 1.25" wide-angle eyepieces.

With a rotating adapter, you gain the flexibility to attach a camera or other accessories to your telescope and rotate them around the optical axis. This feature allows you to adjust the sensor rotation angle for optimal imaging of different celestial objects during astrophotography sessions.

Compatible with smaller GSO RC telescopes or the TS 90/600 triplet Apo with M90, this rotator offers precise framing for astrophotographers. The M90 rotation system ensures accurate adjustments with three setting screws maintaining center alignment.

The flattener serves as a corrective lens to rectify the slight curvature introduced by the primary optics, ensuring uniform field illumination. This curvature often causes stars at the field's edge to appear less sharp. Also known as a field flattener, this accessory eliminates this effect, enabling astrophotographers to capture sharp stars throughout the entire exposure.

The flattener serves as a lens to level the field, addressing the slight curvature caused by primary optics. This curvature often results in less sharp stars at the field's periphery. Also known as a field flattener, it remedies this, ensuring astrophotographers capture sharp stars across the entire frame.

The etched pattern on these masks forms a diffraction structure that shines approximately three times brighter compared to traditional metal masks. As a result, our acrylic glass masks yield a clearer diffraction pattern, facilitating focusing even with fainter stars.

Featuring an imprinted pattern, these masks create a diffraction structure that shines approximately three times brighter compared to traditional metal masks. Consequently, the acrylic glass masks yield a clearer diffraction pattern, facilitating focusing with the assistance of fainter stars.

The guidescope aligns parallel to the main telescope tube, ideally using guide scope rings for easy adjustment. This setup allows for seamless connection of a camera to the guidescope's camera end, enabling automatic tracking control by the mount for capturing long-exposure night sky images.

The guidescope aligns parallel to the main telescope tube, ideally utilizing guide scope rings for effortless adjustment. This setup allows for seamless connection of a camera to the guidescope's camera end, facilitating automatic tracking control by the mount for capturing long-exposure night sky images.

The William Optics GuideStar 61 offers versatile functionality as either a portable high-quality imaging scope or an ultra-high-quality guidescope.

This specialized finderscope and guidescope features a unique rail system designed to attach seamlessly to the handles of William Optics apochromats.

This finderscope and guidescope is equipped with a specialized rail designed to seamlessly attach to the handles of William Optics apochromats.

This finderscope and guidescope boasts a special rail designed for effortless attachment to the handles of William Optics apochromats.

This finderscope and guidescope features a specialized rail for easy attachment to the handles of William Optics apochromats.

In the realm of astronomical imaging, the Sony IMX183CLK-J (monochrome) and IMX183CQJ-J (color) sensors employ a highly sensitive back-illuminated structure with a high-resolution 2.4 μm square unit pixel. Despite its small pixel size, the ASI183 cameras feature a substantial full well capacity (15000e), 1.6e read noise @ 30DB, and 12 stops dynamic range @ Gain=0.

The ZWO off-axis guider enables simultaneous photography and guiding using a single telescope.

Utilizing AstroSolar™ renders the Sun in a neutral white hue, unlike other films or glass filters that often produce a blurry blue or red solar image, diminishing parts of the spectrum. This is particularly noticeable with an orange sun, making it difficult to discern faculae regions, primarily visible in the blue spectrum.

These are secure full aperture (also known as clear aperture) solar filters, ensuring the maximum light transmission into your telescope by allowing the full aperture to be utilized. Optimal for daytime viewing with minimal atmospheric turbulence, they can be adapted with a mask to reduce aperture size if needed.

These solar filters ensure safe observation of the Sun, offering full aperture (also known as clear aperture) coverage. This design maximizes light intake into your telescope by permitting the complete aperture to be visible. Optimal for daytime viewing under minimal atmospheric disturbance, they include a mask feature for reducing aperture size in turbulent conditions.

These solar filters ensure safe observation of the Sun with full aperture coverage, sometimes referred to as clear aperture. This design maximizes light intake into the telescope by allowing the complete aperture to be visible, enabling optimal daytime viewing under minimal atmospheric turbulence. In the presence of turbulence, a mask can be applied over the filter's end to effectively reduce the aperture.

These solar filters ensure safe, full aperture (sometimes referred to as clear aperture) coverage, optimizing light transmission into the telescope for superior daytime viewing, particularly in conditions of minimal atmospheric turbulence. To address turbulence, a mask can be applied over the filter's end to effectively reduce the aperture size.

These solar filters ensure safe and full aperture (sometimes called clear aperture) coverage, allowing maximum light to enter the telescope for optimal daytime viewing, especially in conditions of minimal atmospheric turbulence. In the presence of turbulence, a mask can be applied over the filter's end to effectively reduce the aperture.

Introducing the 2" Herschel Safety Wedge featuring a ceramic solar finder and a 2" ClickLock eyepiece clamp—a top-tier solution for uncompromisingly sharp solar observing and photography in white light. The 'V' version is tailored for visual applications, while the 'P' version is optimized for photographic use.