All Farpoint Products are made in the USA at our facilities in Gold River, California.
Farpoint Bahtinov Focus Mask Demonstration:
How to select and fit a focus mask for your telescope:
In 2008, Pavel Bahtinov, a Russian amateur telescope maker and astronomer, published an ingenious new way to easily focus your DSLR camera, webcam or CCD camera for astrophotography. The method is simple, very intuitive, and the device has universally been named after the inventor: The Bahtinov Mask.
Attach your camera to the telescope, center a fairly bright star in your telescope and achieve a rough focus. Then place the mask over the front aperture of your telescope by “hanging” it on the plastic screws from the front dew shield. Take a short exposure. The image of the star will show diffraction spikes. The “center” set will most likely be shifted to one side or the other. This is showing the defocus.
Adjust the focus of your telescope and re-expose the star, once again showing the diffraction spike pattern. Iterate the process until you get the central diffraction spike centered against the star and the other spikes. When you achieve a symmetrical pattern, you have acheived the best possible focus. Remove the mask, center your target object and take your images!
Farpoint manufactures this "lifesaving" astrophotography tool out of virtually indestructible ABS plastic, which comes in two major types and in a range of sizes. The mask pictured below left is a general purpose mask designed to fit refractors and Newtonian telescopes. The mask pictured below right is designed to fit Schmidt-Cassegrain telescopes. Both types of mask are available in a range of sizes to cover your imaging needs.
William Optics new 45 Deg. EP will work with any 1.25" eyepieces and scopes with 1.25" eyepiece holders. It will turn upside down images right side-up and give correct left-to-right image. This high-quality, low-cost erecting prism will set the standard in erecting prisms!
Great asset for daylight IR-imaging with a digital camera lessening seeing effects
Improved contrast when utilized for lunar and planetary imaging
Darken twilight sky background, allowing images of moon and planets to be taken at dawn or dusk
Made with high-end glass: multi-coated with ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength
Filter cell made of lightweight, strong metal. CNC machined, sand-blasted, black anodized, then laser engraved.
Super thin filter cell with clear aperture of 26mm (for 1.25" version) or 44mm (2" version)
Can also be used for nature photography in the Near-IR, revealing stunning differences in plants, sky, and clouds (requires the use of a camera that is sensitive to IR above 670nm, such as a modified DSLR or webcam)
Presented in a high-quality filter box
Quickly capture dark frames to optimize photo quality
Opaque - blocks all light from the imaging camera sensor. Help remove dark currents - essential for astrophotography
Easily eliminate camera noise and hot pixels
Dark frame acquisition helps remedy such noise and "hot pixels" by canceling out these disruptive effects during image processing
Threaded and can be directly connected to your filter wheelfor fast conversion between different filters;
Made of metal for durability. High quality packing box includes foam-lined plastic case
Optolong Clear Sky Clip Filter for Nikon-Z Cameras
The Optolong Clear Sky Nikon Z Clip-In Filter is designed to provide a very gentle filtering profile that blocks sodium and mercury lamp wavelengths (commonly emitted by street lamps). This filter shines the brightest in Milky Way photography setups and under skies that are 4 or lower on the Bortle light pollution scale.
Optolong L-Synergy dual-narrow band filter FWHM7nm
Optolong L-Synergy is a dual 7nm narrowband filter compatible with DSLR cameras, color CMOS sensors, and CCD cameras, supporting telescope systems with F-ratio of F3.3 or above (slower system). Its key advantage lies in enabling astrophotography amateurs to capture exceptionally detailed emission nebulae even in light-polluted environments. it has been optimized to minimize bright star halos while isolating all emission lines except SII and OIII, achieving maximum effective transmission.