Ostara Categories
Find out more about the Ostara 0.96" - 1.25" Step Up Astro Mount Adapter
The Step Up Astro Mount Adapter from Ostara is a high quality 0.96" - 1.25" adapter for 0.96" telescopes.
Find out more about the Ostara 1.25 Plossl HR 4mm
Ostara 1.25 Plossl HR 4mm: Plössl eyepiece with a focal length of 4 mm and a 50-deg field of view is one of the most popular models among Stargazers. These eyepieces perform better during visual observations, where geometry and image clarity is more important than the fie
Find out more about the Ostara 1.25 Inch 90 degree Erecting Prism for Telescope
What is a Diagonal:A diagonal is made out of a straight line that's set at an angle instead of straight up or across. If you picture a square and draw a line connecting the opposite corners, that's a diagonal line. You'll find diagonal lines in geometry, and also in the world
Find out more about the Ostara 1.25 Inch Super Wide Angle 20mm Eyepiece
Ostara 1.25'' Super Wide Angle 20mm Eyepiece: The Ostara range of SWA eyepieces provide excellent value for money with high optical and build quality. Fully multi-coated to reduce reflections with standard Astro 1.25'' fitting (suitable for the majority of astronomical sc
Find out more about the Ostara 1.25" - 0.96" Step Down Astro Mount Adapter
The Step Up Astro Mount Adapter from Ostara is a high quality 1.25" - 0.96" adapter for 1.25" telescopes.
Find out more about the Ostara 1.25" 45° Erect Prism For Telescopes
The Ostara 45° Erect Prism is designed for 1.25" telescopes. It comes with 1.25” barrel.
Find out more about the Ostara 1.25" 5 Filter Revolver - Without Filter
Place your filters in the 1.25" 5 Filter Revolver from Ostara and enjoy your observation with different filters placed in the multiple-filter wheel. Thanks to the unique features of this filter revolver, you don’t need to change filters every time for experiencing d
Find out more about the Ostara 1.25" Eyepiece 10mm - Super Wide Angle
Ostara 1.25" Eyepiece 10mm - Super Wide Angle: The Ostara range of SWA eyepieces provide excellent value for money with high optical and build quality. Fully multi-coated to reduce reflections with standard astro 1.25" fitting (suitable for the majority of astronomical sc
Find out more about the Ostara 1.25" HQ #8 Filter Light - Yellow
The Ostara HQ Filter 1.25" #8 Light Yellow contrasts strongly on Jupiter and Saturn and enhances red and orange features. While reducing the light transmission, it also lightens the red-orange features on Mars and thereby increasing the contrast, of blue-green areas. Constructed fro
Find out more about the Ostara 1.25" S-HR Plossl 30mm Eyepiece
The Ostara S-HR range of Plössl eyepiece comes with high optical and performance. With 4 Lens Elements in 2 Groups, the lens glass is fully multi-coated to enhance light transmission while reducing the reflections. The body is made from an aluminium alloy which makes it hard and lig
Find out more about the Ostara 1.25" Specialist Filter IR Cut
The 1.25" Specialist Filter IR Cut from Ostara is an IR CUT infra-red filter with true optical quality glass substrate. Multi-coatings help to mitigate the reflections without sacrificing the image quality.
Find out more about the Ostara 1.25" Specialist Filter Luminance
The 1.25" Specialist Filter Luminance from Ostara prevents unwanted reflections. The first highlight is the UV and IR blocking qualities. Secondly, multi-coating is applied to the filter, which removes unwanted reflections without sacrificing picture quality. This C
Find out more about the Ostara 1.25" UHC1 Specialist Filter
The 1.25" UHC1 Specialist Filter from Ostara is made to supply the high optical performance. multi-layer coatings assist in minimizing the reflections and also prevent scratching.
Find out more about the Ostara 2 High Quality SkyGlow Moon Filter
Ostara 2 High Quality SkyGlow Moon Filter: Quality glass lens with metal frame comes in a padded hard clear case for safe storage when not in use.In turn, this case comes inside a very attractive black / gold retail box. Useful addition to any 2 inch eyepiece set
Find out more about the Ostara 2" - 1.25" Step Down Astro Mount Adapter
The Step Down Astro Mount Adapter from Ostara is a high quality 2" - 1.25" adapter for 2" telescopes.
Find out more about the Ostara 2" 45 Degree High Quality Diagnal Prism
The stunning Ostara 2" 45-degree dielectric diagonal is a perfect choice for discerning astronomer and birdwatcher (with compatible spotting scope). High spec dielectric coated prism gives impressive contrast and brightness compared to standard versions.
Find out more about the Ostara 27mm Flat Field 1.25 Eyepiece
Ostara 27mm Flat Field 1.25 Eyepiece: The Ostara range of Flat eyepieces provide excellent value for money with high optical and build quality. Fully multi-coated to reduce reflections with standard astro 1.25 fitting. Flat Field eyepieces provide a wide field of view kee
Find out more about the Ostara 2x Long Metal Body Achromatic Barlow (1.25″) Lens
The Ostara Long Body 2x Achromatic Barlow lens doubles the magnification with any given eyepiece, without any noticeable loss in image quality. Insert the Barlow lens between the eyepiece and the telescope, and you will double the magnification. At the same time, you will r
Find out more about the Ostara 5mm 1.25 HR Plossl
Ostara 5mm 1.25 HR Plossl: The magnification produced by an eyepiece depends on the optical system it is used in. In a standard astronomical telescope the magnification is found by dividing the focal length of the main tube by that of the eyepiece. For example, a 1000mm s
Find out more about the Ostara 90 Degree Mirror for 1.25 inch
Ostara 90 Degree Mirror for 1.25 inch
Find out more about the Ostara Achromatic 2x Barlow Lens For 1.25" Eyepieces
The Achromatic 2x Barlow Lens from Ostara is designed for 1.25" eyepieces. This Barlow lens doubles the magnifying power of an eyepiece by doubling its focal length. For example, if this Barlow lens is used with an eyepiece of 9mm focal length then it will double it
Find out more about the Ostara Achromatic 3x Barlow Lens For 1.25" Eyepieces
The Achromatic 3x Barlow Lens from Ostara is designed for 1.25" eyepieces. This Barlow lens increase the magnification of an eyepiece 3x times by increasing its focal length by 3 times.
Find out more about the Ostara Basic Prime Camera Adapter For 1.25"
The Ostara Basic Prime Camera Adapter is an essential accessory for those who use an Astro scope for digiscoping. This camera adapter is designed for direct (Prime focus) photography with an SLR camera. Fits all standard 1.25" Astro telescopes and accepts the filters thread inside a
Find out more about the Ostara Collimator Eyepiece Tube Long (1.25")
Ostara Collimator Eyepiece Tube Short (1.25").The Ostara range of Flat eyepieces provide excellent value for money with high optical and build quality. Fully multi-coated to reduce reflections with standard Astro 1.25 fitting. Flat Field eyepieces provide a wide field of view keepin
Find out more about the Ostara Collimator Eyepiece Tube Short (1.25")
An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is so named because it is usually the lens that is closest to the eye when someone looks through the device. ... The amount of magnification depends on the focal len
Find out more about the Ostara Elinor 12x50 Series Binocular
Ostara Elinor 12x50 Series Binocular: The Optical Hardware Elinor series is designed to give exceptional clarity and brightness. The traditional style body has a high quality feel and rugged build with large easy to operate focus wheel and dioptre adjustment. Designed for
Find out more about the Ostara Elinor 2 10x50 Waterproof Binoculars
The Ostara Elinor range of binoculars offers improved performance over the original, award winning Elinor. Featuring higher quality optics with improved definition. Utilizing the latest surface coatings to provide efficient light transmission, enhancing brightness and clarity.
Find out more about the Ostara Elinor 2 12x50 Waterproof Binoculars
The Ostara Elinor² range of binoculars offers improved performance over the original, award-winning Elinor. Featuring higher quality optics with improved definition. Utilizing the latest surface coatings to provide efficient light transmission, enhancing brightness and clarity.
Find out more about the Ostara Elinor 2 7x50 Waterproof Binoculars
The Ostara Elinor² range of binoculars offers improved performance over the original, award-winning Elinor. Featuring higher quality optics with improved definition. Utilizing the latest surface coatings to provide efficient light transmission, enhancing brightness and clarity. Features that ma
Find out more about the Ostara Elinor 2 8x42 Waterproof Binoculars
The Ostara Elinor² range of binoculars offers improved performance over the original, award-winning Elinor. Featuring higher quality optics with improved definition. Utilising the latest surface coatings to provide efficient light transmission, enhancing brightness and clarity.
Find out more about the Ostara Elinor 7x50 Style Binocular
Ostara Elinor 7x50 Style Binocular: The Optical Hardware Elinor series is designed to give exceptional clarity and brightness. The traditional style body has a high quality feel and rugged build with large easy to operate focus wheel and dioptre adjustment. Designed for t
Find out more about the Ostara Extending 3 Section Camera Adaptor for 1.25 Inch
The Ostara Digiscoping Adaptor (Extending Version) is an essential accessory for anyone who uses an Astro scope for digiscoping. It is a camera adaptor for direct (Prime focus) photography with an SLR camera and eyepiece projection photography. Fits all standard 1.25″ Astro te
Find out more about the Ostara Extending Camera Adaptor for 2 Inch
Ostara Extending Camera Adaptor for 2 Inch
Find out more about the Ostara Flat Field 12mm Eyepiece 1.25
Ostara Flat Field 12mm Eyepiece 1.25: The Ostara range of Flat eyepieces provide excellent value for money with high optical and build quality. Fully multi-coated to reduce reflections with standard astro 1.25 fitting. Flat Field eyepieces provide a wide field of view
Find out more about the Ostara Flat Field 19mm Eyepiece 1.25 Inch
Ostara Flat Field 19mm Eyepiece - 1.25'': Ostara Flat Field 19mm Eyepiece. The Ostara range of Flat eyepieces provide excellent value for money with high optical and build quality. The magnification produced by an eyepiece depends on the optical system it is used.
Find out more about the Ostara Flat Field 8mm Eyepiece 1.25 Inch
Ostara Flat Field 8mm Eyepiece - 1.25'': The Ostara range of Flat eyepieces provide excellent value for money with high optical and build quality. Fully multi-coated to reduce reflections with standard astro 1.25 fitting. Flat Field eyepieces provide a wide field of v
Find out more about the Ostara Flexible Control Shafts for Astro Telescope 2x18cm
Ostara Flexible Control Shafts for Astro Telescope 2x18cm
Find out more about the Ostara High 1.25 Quality Sky Glow Moon Filter
Ostara High 1.25 Quality Sky Glow Moon Filter: Reduces glare when observing the moon. Designed to enhance Lunar & Planetary views. Useful light pollution filter reducing the “orange glow” of background light. High-quality metal frame includes a storage case.
Find out more about the Ostara High Quality 1.25 Colour Filter 12 Yellow
Yellow #12 contrasts strongly with blue-coloured features on Jupiter and Saturn, while enhancing red and orange features. Lightens red-orange features on Mars, while reducing the transmission, and thereby increasing the contrast, of blue-green areas. High-quality metal frame. Includ
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