SVBONY SV132 Telescope Filter H-Beta Filter 25nm 1.25 inches Eyepiece Filter for Horsehead Nebula California and Cocoon Nebulae in Dark Skies
SV132 H-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, and Cocoon Nebulas in dark skies.
Great used with a moderate to large aperture telescope and clear dark skies.
Optical high precision double side polishing.
Filter substrate is fine-optically polished to 1/4 wave and.
Precision double-sided optical coatings improve transmission and cut-off depth.
Executes with a transmission of over 90% and completely rejects light pollution.
High value transmission of pass-band and optical density of off-band is assured through planetary rotation system, a homogenous and precise coating procedure.
The high optical quality of SV132 filters guarantees no loss in sharpness or contrast.
Filter with metal mount 1.25" filter threads.
Threaded to fit 1.25" eyepieces and threaded diagonal barrels.
Astronomy Log Book: A Stargazing and Night Sky Observations Journal for Recording your Astronomical Discoveries with simple guided prompts is ideal ... or with the naked eye (Italian Edition)
SVBONY SV127 1.25 Inch four color eyepiece filter with M28.5*0.6 thread standard.
you can use color filters to accentuate subtle details on planets, comets, and the Moon by selectively increasing contrast between features and markings of different hues.
accentuates red and orange features on Saturn.
reveals low-contrast cloud detail on Venus.
Enhances Martian surface details in large telescopes.
accentuates bluish cloud regions on Jupiter and Saturn.
Enhances contrast of blue and red structures on Jupiter (including Red Spot).
Astromania 1.25\ Multiple 5-Position Filter Wheel for Telescope
... tri-color astrophotography pursuits. Included 5-Position 1.25" Filter Wheel lets you install all filters and then dial-in the 1.25" filter you want to use for a particular astrophotographic exposure. The filters can be changed very quickly at any time..
The robustly constructed filter wheel is supplied with a 1.25" eyepiece adaptor, 1.25" focuser nosepiece, T-2 camera adaptor and locking ring. The filter wheel can be attached to your focuser either by the supplied 1.25" nosepiece adaptor or via a T-thread. It is ideally suitable for visual observations with 1.25" eyepieces. and with the included T2 adapter it is also perfectly suitable for astrophotography with single lens reflex cameras and CCD cameras..
Keep in mind that use of the Multiple Filter Wheel requires 20mm of inward focus travel. This will not be a problem for most telescope designs, but could be a problem for Newtonian reflectors. The included T2 adapter comes with a locking ring, whereby high-precision distance regulation becomes possible.Its very sturdy aluminum housing makes it also suitable for heavy cameras..
Use: The Astromania Multiple Filter Wheel features a helpful number system that allows you to quickly place the filter of your choice into the light path. Simply note the r....
Barlow lens & moon filter, which are indispensable for astronomical telescopes, improve the working efficiency of eyepieces and expand the eyepiece magnification of 1.25-inch telescope to 2.5 times..
5x Barlow lens has a magnification of 2.5 times in the actual measurement..
Works with telescopes from Celestron, Skywatcher, Mead, Orion, and most brands..
Universal M42 thread connection, you can also connect an SLR camera. Connect one end to the T-ring, then the SLR, and finally the entire assembly to the astronomical telescope to begin photography..
Both the 5x Barlow lens and Moon Filter frame are processed by precision CNC. The anti-rust surface treatment is suitable for long-term use..
1.25 inch 8mm 12.5mm 32mm plossl eyepiece and 2x barlow lens set , gives the widest viewing field along with extra sharpness and long eye relief.
4-element plossl design, has a approx 52 degree AFOV. The high quality optical lens minimizes internal reflection and maximizes contrast. The blackened eyepiece barrel also prevents reflection..
Comes with sturdy plastic case-proect the eyepiece from dust and moisture.
Threaded for standard 1.25inch astronomy filters and barlow lens.
Soft rubber eye guard that's custom fitted with a bayonet mount and brings convenience to glasses wearers..
