Category Archives: Eyepieces

Ostara PL 6.5mm plossl eyepiece for planetary viewing

The Ostara PL 6.5mm eyepiece is a sturdy and well made 1.25″ eyepiece. The 6.5mm is aimed at giving high power views of astronomical targets. There is no rubber eyecup. I found this not to be too much of an … Continue reading

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Skywatcher Nirvana 28mm 2″ eyepiece. Dimensions and specs 20222

The Skywatcher Nirvana 28mm 2″ (50.8mm) is designed to give stunning picture window 82 degrees (apparent) field of view. 2″ fitting only. Lens construction is 6 elements in 4 groups. Optics are fully multi-coated Excellent blackened internal baffling to increase … Continue reading

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Skywatcher Nirvana 16mm eyepiece specs and dimensions 20221

The Skywatcher Nirvanna 16mm eyepiece has an apparent field of 82 degrees. Optics are constructed of 7 elements in 4 groups. Coatings are fully multi-coated. Eye cup is twist type. Lens caps included and is threaded to accept 1.25″ filters. … Continue reading

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Optical Hardware illuminated reticle eyepiece OH337280

The Optical Hardware 12.5mm 1.25″ illuminated eyepiece has a twin crosshair reticle that can be adjusted for brightness. The battery section screws into the side of the eyepiece, and includes the batteries. This eyepiece can be purchased from Northern Optics¬†who … Continue reading

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Skywatcher 1.25″ 8-24mm eyepiece 20149

The Skywatcher 8-24mm zoom eyepiece is an ideal starter accessory at a sensible price. With a focal length of 8mm – 24mm it will be useful for most situations. It used for astronomy, there will be some loss of light, … Continue reading

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Ostara 4mm Plossl eyepiece 1.25″

The Ostara 1.25″ 4mm plossl eyepiece nicely bridges the gap between budget kelner , modified achromatic etc eyepieces and higher grade (and cost) multi-coated and fully multi-coated plossls. The Ostara version has a solid metal black / chrome ¬†finish. Complete … Continue reading

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How much power can you use with a small telescope

Many customers ask what is the highest power they can use with a telescope..Sadly some shops on line and high street etc do offer small telescopes with unrealistic magnifications of 500+. This will make the image totally unusable and make … Continue reading

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Ostara 1.25″ FF (flat field) eyepieces

The Ostara FF range of eyepieces offer great quality optics at an affordable price. First thing out the box you will notice the solid construction. Fully multi-coated optics and great internal baffling give excellent colours and contrast. As the FF … Continue reading

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Optical Hardware 1.25″ 12.5mm illuminated reticle eyepiece

The Optical Hardware 12.5mm illuminated eyepiece is an absolute must have for digital imaging Ideal for Accurate Polar Alignment. Well Suited for Use With Off-Axis Guiders for Centering and Guiding of Stars Adjustable Red LED Light Brightness Control to Illuminate … Continue reading

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Ostara 2″ 26mm, 32mm , 38mm SWA-70 eyepieces

The Ostara 2″ SWA-70 are designed to give picture window wide field of views if the night sky. Available in focal lengths of 26mm 32mm and 38mm there is a good range of choices. Each has long eye relief for … Continue reading

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