Secondhand & Stock

Product description OCAL Electronic Collimator OCAL - New Generation Electronic Collimator The revolutionary way to collimate your instrument is with OCAL, the new smart device that allows you to collimate your Newtonian telescope via your computer in a simple, precise and fast way. The collimation of a reflecting telescope is a problem that astronomers must solve. OCAL electronic collimator is an electronic device developed by Chaoxing Astronomy to calibrate the collimation of reflective telescopes. Its main function is to mark several calibration circles through software to achieve the purpose of collimation. Difference between OCAL and OCAL PRO OCAL OCAL PRO Laptop Use (for Windows) Yes Yes Android/ iOS via OTG Adapter No Yes Newton Collimation Yes Yes SC Collimation No Yes RC Collimation No Yes (test mode) Main Features Each collimator has a very high level of pixel accuracy, thanks to OCAL high quality control. The installation takes place via T2 thread (M42x0.75) to minimize the installation errors. Collimation errors that are often caused by human different visual axis can be completely eliminated with OCAL technology. The product solves the problem of collimation even on large telescopes, thanks to the collimation assistance feature the result is shown immediately on the screen. Quick and easy: Collimate your instrument in just 4 steps! The product can check if the center mark on the primary mirror is made correctly or not. You can also use the screenshot feature to save the result of the collimation. Scope of Delivery: Collimator cable Tips and tricks: If the screen goes black after a few seconds in the Android version. Place your finger on the app icon. Select App Info. In the sub-item Other authorisation, tick the box for Display on lock screen. If the Windows version cannot be installed on your computer, please install the corresponding software from the OCAL download folder. This is called VC_redist.xt.x64 or VC_reddist.x86. Please choose the version for your operating system. In some cases it is necessary to download the missing DLL file from microsoft. Unfortunately, some computers are missing the necessary service packs. You can find the files here: https://www.microsoft.com/de-DE/download/details.aspx?id=26999

Item condition: new and original packed

Despite their compact dimensions, our APM MS 8x32IF ED binoculars are a very powerful, modern and versatile device. We have developed it according to the strict specifications of our MS series, and the result is something to be proud of! An ultra-modern optical system with optimized viewing characteristics and maximum contrast in a robust housing. ED lenses from Hoya (FCD1) have been installed in the binoculars, which reduce chromatic aberration to an absolute minimum and therefore provide an outstanding image free of chromatic aberration. The modern FMC-coated optics are complemented by a high-quality BAK-4 prism system and offer excellent transmission combined with a natural, high-contrast, almost perfectly reflex-free image. It goes without saying that the glass is splash-proof. The field correction is carried out without flat field lenses. The housing is fitted with leather armoring to protect the glass and provide a secure grip. With a field of view of 8.2°, these binoculars offer an impressive wide-angle view. With the eyecups turned upside down, the binoculars are completely suitable for spectacle wearers and the entire field of view is visible right to the edge without any problems. The price-performance ratio is excellent, as with all other APM MS binoculars. Our MS 8x32IF ED is an ideal binocular for hiking and outdoor use and will also delight amateur astronomers! Features: 32mm clear aperture 8x magnification 8.2° field of view Individuell eyepiece focusing (IF) full FMC multi-coating With Hoya ED (FCD1) lenses Weatherproof and splash-proof Weight with Covers 661 grams ( 1.46 lbs) Scope of delivery Binoculars 8 x32IF ED Dust caps Hard case with carrying strap Carrying strap fort he binocular Cleaning cloth Eyepiece and objective lens caps Products specifications Magnification 8 x Front lens diameter 32 mm Subjective angle of view 60° Focusing Individuell Eyepiece Focus Coating FMC Prism system Porro Prism BAK 4 Interpupillary Distanz (IPD) 56mm - 74mm Objective angle of view 8.2° Surface material leathered eye relief 19mm Weight 661g Dimensions 123x175x53mm Aperture HOYA ED (FCD1)

Item condition: new and original packed

Altair QuadBand is the new trend in light pollution filters for deep-sky imaging of emission nebulae with colour CMOS, CCD, and DSLR cameras. Altair V2 Filter Technology produces even better blocking of unwanted wavelengths, higher transmission, and no halos. The result is a better signal to noise ratio for imaging emission nebulae with a DSLR or CMOS Astro camera. The 35nm passband not only makes the QuadBand V2 compatible with fast focal ratio lenses and telescopes, but also allows visual use with a relatively small telescope in urban locations. Brighter emission nebulae can be observed in urban conditions with a darker background. This is the new QuadBand V2 Coating technology which includes: Anti-Halo coating on both surfaces to reduce reflection artefacts from reducers and camera lenses. Increased blocking of UV, IR and unwanted visual range wavelengths. UV OD7 (T0.00001%) Visual OD5 (T0.001%) and IR OD4 (T0.01%) for the ultimate in skyglow blocking. An order of magnitude better than foreign filters. Higher transmission % of desired wavelengths Ttop 95% (Average 5% higher transmission of desired wavelengths). Ha and Oiii wavelengths at 35nm FWHM for with less tail-off to reduce unwanted light pollution. It's even compatible with fast scopes, like Altair F6 refractors which operate at F4.8 with reducers, and the F2 Celestron RASA and Hyperstar. Includes UVIR blocking for both modified and un-modified DSLR cameras, plus an anti-reflection coating to reduce halos as much as possible. Narrowband Bi-Colour imaging is a growing new trend in astrophotography, especially popular in light polluted areas, or for imaging in rural areas in moonlight. Now you can capture the two main emission nebulae bands at the same time, whilst suppressing light pollution, moonlight, and airglow. Capture more data in less time, and open up your imaging time window - even into the summer months. Altair QuadBand light pollution filters work by isolating the primary nebulae emission zones in the red and blue/green wavelengths, and separating them into two main "zones" with a wide separation for easy capture with a colour camera - all in one exposure! Not only is capture very convenient, but processing is easy too, thanks to the wide separation of the green/blue and red "zones". Light pollution control is extremely effective and LED light is also significantly reduced, thanks to the effects of Rayleigh scattering. Sensitive OSC or "One Shot Colour" CMOS cameras like the #Hypercam183C capture these wavelengths very efficiently, and allow them through the Bayer matrix. The filters also work with DSLRs (APS-C sensor size modified cameras are best, but normal ones will also work). When you have the complete stack of exposures, processing is relatively easy because of the large separation in colour. You can also use the Quad band and Tri-Band filters as a "super luminance filter" for imaging nebulae with Mono cameras. A quick overview of the Altair Filter family: QuadBand Filter - combines Sii AND Ha into a red zone, and H-beta + Oiii into a green/blue zone. (Recommended for moderate light pollution and skyglow, used with colour cameras). TriBand Filter - combines Ha into a red zone, and H-beta + Oiii into a green/blue zone. (Recommended for higher light pollution, used with colour cameras). DualBand Filter - separates the red Ha and blue Oiii channels even more distinctly with even deeper blocking. (Recommended for severe light pollution such as within built-up areas such as cities. Used with colour cameras). NarrowBand mono camera filter - these isolate single bands, so you only capture one wavelength per filter such as Oiii or Ha or Sii, and they are mostly used with mono B&W astronomy cameras. Separate sets of exposures are required with each filter. Filter Specifications: 1st band, CWL495nm FWHM35nm 2nd band, CWL 660nm FWHM 35nm 1.85mm thick optical glass with 30 arc sec parallelism. UVIR Block and Anti-Reflection Coating. Scope of Delivery: Filter 2"

Item condition: new, but not original packed

Starlight 3" End Cap for FTF32XX TRUE 3.0 Feather Touch Focuser Starlight End Cap for TRUE 3.0" Feather Touch to 3" with compression ring This end cap fits the Feather Touch TRUE 3.0" focusers and has a 3.0" compression ring opening which 3 machined thumb screws. It is machined of the highest quality aluminum and finished in our shop, keeping the same beautiful look and high precision quality that Starlight Instruments is known for. Scope of Delivery: Adapter

Item condition: new, but not original packed

Bresser 2" SA Barlow 2x, SA Barlow lens with 2x focal length magnification and 50.8mm ( 2" ) plug-in diameter. The SA Barlow lenses have a 4 lens system and are multi-coated.Weight 625 gram With Barlow lenses you extend the telescope focal length and thus increase the magnification for observing moon, planets or small deep sky objects. This way, you benefit from the advantages of longer focal length eyepieces such as the large interpupillary distance and the more comfortable viewing at higher magnifications. BRESSER SA Barlow Lenses These Barlow lenses offer excellent imaging quality throughout the field of view due to their four-lens design, making them ideal for visual observation and photography. Scope of delivery: Barlow lens 31.7mm adapter

Item condition: new, but not original packed

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Dieses Angebot unterliegt mit Ausnahme der Versandkosten gemäß § 25a UStG der Differenzbesteuerung, weshalb auf den angebotenen Artikel keine Umsatzsteuer erhoben und ausgewiesen wird.

Masuyama eyepieces are known for their clear and high contrast imaging and velvet black background. The good contrast of these high-end eyepieces is achieved with a special cut, internal diaphragms and the best possible internal blackening. Due to the elaborate lens design, the eyepieces get by with only 5 elements, with good correction at the same time. Despite the large field of view, the short focal length Masuyama eyepieces are highly recommended for planetary and double star observation. At the same time, the eyepieces are of course very nice overview eyepieces for deep-sky observation. The long focal length eyepieces are well suited for finding and observing large area deep sky objects. The eyepieces were developed by renowned optician Dr. Masuyama. Among other things, Dr. Masuyama designed an eyepiece with a focal length of 100 mm, which was used on the historic 60-inch telescope at Mount Wilson Observatory in California. We are pleased to offer you these legendary eyepieces with the latest glass and coating technology. Scope of Delivery: Eyepiece Dust caps

Item condition: new, but not original packed

Quick mounting of optics with all EQ standard Celestron / Skywatcher / Vixen dovetail Massive but lightweight EQ-clamp, 190 mm (7.5") long w. multi-contact ribbed dovetail face Bottom side featuring various predrilled hole patterns to fit onto DEC-face of most mounts (Takahashi, 10Micron, Astro-Physics, Vixen, Celestron) With an integrated 3 "dovetail, suitable for all mounts with 3" (Losmandy). Can therefore also be used for adapting telescopes with attached Vixen rails to 3" clamps

Item condition: new, but not original packed

APM 2 inch Diagonalprism with Fast-Lock and Ultra Broadband Coating

Item condition: new and original packed

Masuyama eyepieces are known for their clear and high contrast imaging and velvet black background. The good contrast of these high-end eyepieces is achieved with a special cut, internal diaphragms and the best possible internal blackening. Due to the elaborate lens design, the eyepieces get by with only 5 elements, with good correction at the same time. Despite the large field of view, the short focal length Masuyama eyepieces are highly recommended for planetary and double star observation. At the same time, the eyepieces are of course very nice overview eyepieces for deep-sky observation. The long focal length eyepieces are well suited for finding and observing large area deep sky objects. The eyepieces were developed by renowned optician Dr. Masuyama. Among other things, Dr. Masuyama designed an eyepiece with a focal length of 100 mm, which was used on the historic 60-inch telescope at Mount Wilson Observatory in California. We are pleased to offer you these legendary eyepieces with the latest glass and coating technology. Scope of Delivery: Eyepiece Dust caps

Item condition: new, but not original packed

Masuyama eyepieces are known for their clear and high contrast imaging and velvet black background. The good contrast of these high-end eyepieces is achieved with a special cut, internal diaphragms and the best possible internal blackening. Due to the elaborate lens design, the eyepieces get by with only 5 elements, with good correction at the same time. Despite the large field of view, the short focal length Masuyama eyepieces are highly recommended for planetary and double star observation. At the same time, the eyepieces are of course very nice overview eyepieces for deep-sky observation. The long focal length eyepieces are well suited for finding and observing large area deep sky objects. The eyepieces were developed by renowned optician Dr. Masuyama. Among other things, Dr. Masuyama designed an eyepiece with a focal length of 100 mm, which was used on the historic 60-inch telescope at Mount Wilson Observatory in California. We are pleased to offer you these legendary eyepieces with the latest glass and coating technology. Scope of Delivery: Eyepiece Dust caps

Item condition: new, but not original packed

Masuyama eyepieces are known for their clear and high contrast imaging and velvet black background. The good contrast of these high-end eyepieces is achieved with a special cut, internal diaphragms and the best possible internal blackening. Due to the elaborate lens design, the eyepieces get by with only 5 elements, with good correction at the same time. Despite the large field of view, the short focal length Masuyama eyepieces are highly recommended for planetary and double star observation. At the same time, the eyepieces are of course very nice overview eyepieces for deep-sky observation. The long focal length eyepieces are well suited for finding and observing large area deep sky objects. The eyepieces were developed by renowned optician Dr. Masuyama. Among other things, Dr. Masuyama designed an eyepiece with a focal length of 100 mm, which was used on the historic 60-inch telescope at Mount Wilson Observatory in California. We are pleased to offer you these legendary eyepieces with the latest glass and coating technology. Scope of Delivery: Eyepiece Dust caps

Item condition: new, but not original packed

Starlight flat Base for 2.5" Feather Touch with leveling screws

Item condition: new and original packed