What does Celestron reducer corrector do?
With the Celestron Reducer/Corrector Lens, that’s precisely what you get. Explicitly designed for Celestron Schmidt-Cassegrain telescopes, this unique lens reduces your telescope’s focal length and f/ ratio by 37%, turning your long focal length telescope into a fast, short focal length instrument.
What is EdgeHD?
EdgeHD is an aplanatic flat-field Schmidt optical system designed to produce aberration-free images with pinpoint stars all the way to the edge of the field of view of today’s largest imaging sensors and wide field eyepieces. EdgeHD optical tubes are sold separately or paired with our most popular telescope mounts.
Does a focal reducer reduce magnification?
A focal reducer does just the opposite of a Barlow lens or focal extender. A wider field of view and a lower magnification is also useful, with some focal reducers and with some eyepieces, for visual observers with telescopes with long focal ratios.
What does a focal reducer do?
A telecompressor or focal reducer is an optical element used to reduce focal length, increase lens speed, and in some instances improve optical transfer function (OTF) performance. The effects and uses of the telecompressor are largely opposite to those of the teleconverter or Barlow lens.
Is a focal reducer worth it?
Yes, they’re worth it, though less if you also have a 2″ visual back, diagonals and eyepieces.
Does a focal reducer increase brightness?
For imagers, the main purpose of a focal reducer is to increase the brightness of the image at the focal plane. But while the image gets brighter, the size of the image circle gets proportionately smaller.
What is Faststar?
Fastar unleashes the speed of your optical tube, making it up to 28x times faster. By removing the secondary mirror, imagers can place their DSLR or astroimaging camera on the front of the optical tube to image with a faster focal ratio and a wider field-of-view.
Do I need a reducer for astrophotography?
Telescope focal reducers provide a brighter, wider image and a reduced exposure time. Telescope focal reducers also work as field flatteners, reducing field curvature to provide the flat field necessary for astrophotography.
Are focal reducers worth it?
Yes, focal reducers are worth it. The f/6.3 is $120 and the f/3.3 is $150, for the Meade ones. I have an f/3.3, but it is ONLY for CCD use… i rather discovered that fact the hard way. However, it has been invaluable for imaging; at f/10 I would not have attained the required wide field.
Why do I need a focal reducer?
When placed in the focal plane in front of a camera or eyepiece, a focal reducer leads to a wider field of view and a brighter image of extended objects, which is important for reducing the exposure times when imaging faint extended objects like nebulae or galaxies.
What does fastar compatible mean?
Most of Celestron’s Schmidt Cassegrain and EdgeHD optical tubes are Fastar-compatible. To identify if your optical tube is compatible, look for the Fastar logo on the secondary mirror cell assembly or housing. Older Celestron models may not have the logo, but do allow you to unscrew the secondary mirror.
What makes a Celestron edgehd reducer so special?
Celestron’s EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-field performance of our award-winning EdgeHD optical system. Unlike generic reducers, our premium reducers provide substantial back-focus to accommodate an assortment of imaging accessories.
What does Celestron aplanatic edgehd optical system do?
Celestron’s aplanatic EdgeHD optics revolutionized astroimaging. This award-winning optical system reduces visual defects like field curvature and coma, creating an ultra-flat field for pinpoint stars all the way to the edge of today’s largest imaging sensors.
What does FASTAR do to a Celestron telescope?
Fastar Technology allows imagers the option of drastically increasing the speed and sensitivity of their Celestron optical tube, allowing bright, detailed images with short exposures. Our patented SkyAlign alignment technology makes setting up a computerized telescope simple, fast, and accurate.
Is the Celestron solar safe filter safe for solar observation?
Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. Celestron’s EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-field performance of our award-winning EdgeHD optical system.