Vantage Scopes feature a mono-tube chassis to provide stability and durability, to even magnum recoil. A mix of X-ACT ballistic and standard reticle options mean Vantage scopes are at home in almost any environment and with virtually any firearm.Versatile, affordable, exceptional. Vantage from Hawke is redefining value in optics. Illuminated dual crosshair reticle allows for easy centering of your target; the star cannot hide behind the crosshair Sky-Watcher's 9x50 Right-Angled Erecting Finderscope provides an upright image with completely corrected left/right image orientation for more comfortable and convenient operation when compared to a traditional straight-through viewing finder. The double-crosshair reticle etched in the eyepiece makes it easy to center an object, whether you are aligning your computerized telescope or finding deep-sky objects on your own. The reticle can be focused separate from the finder itself. A battery-powered illuminator lights up the crosshair with a soft, dark adapted eye friendly red glow, and the illumination can be easily adjusted by turning the rotary on/off knob. Eyepiece assembly can be rotated left and right, making it easy to find a comfortable viewing angle

At Rother Valley Optics, one thing we pride ourselves on is customer service and quality of our equipment. When we test your telescope, we will ensure that it is of the highest quality otherwise, we will reject the scope under our strict quality control and test another model for your peace of mind. One of the main values to look at when testing a refractor is the Strehl ratio. The higher this number, the higher quality lens you have. At Rother Valley Optics, we will guarantee the highest possible Strehl ratio for your telescope. We will aim to provide 0.95 Strehl or higher on Takahashi, RVO Horizon, William Optics and many more! Generally, the higher the Strehl ratio, the lower the Astigmatism and Coma meaning a better image quality from your instrument.

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Easy magnification adjustment which doesn’t shift under recoil thanks to the high torque set-up – smooth yet solid. You will also see some more values such as Astigmatism and Coma. Again, these are measured by the interferometer when we take measurements of the optical surface after adjustment. These are values which ideally would be at 0 but as our test optics are all curved lenses, there will always be astigmatism and coma present. The lower the number, the less of these aberations you will effectively see but with most refractors, you can buy field flatteners which will compensate for the coma anyway. The astigmatisms value is explaining the error between the symmetrical curvature of the lens. Basically, no lens will be perfectly symmetrical, the lower the astigmatism, the more symmetrical the lens surface is.

We also measure the Power with our systems which is essentially the error from the reference sphere to the test optic. The reference sphere we use on our system is a very high quality sphere so the closer to zero the Power, the less error between the 2 elements thus ensuring a higher quality optical surface. Hawke Vantage3-9x50 AO Rifle Scope. Simplicity is underrated. Sometimes, there isn’t a need for bells and whistles. All that is needed is a solid product to do a job. Vantage scopes deliver performance beyond what is expected at this price point. With the design focus on functionality and performance in the field, the Vantage line represents tremendous value without cutting corners on the things that matter.Adjustable objective (AO) models allow you to correct parallax error down to 10 yards. The Skywatcher achromatic 9x50 finderscope has a large 50mm objective, wide 45° field of view and a cross-hair reticule for easy navigation.

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BrilliantReplaced my old straight through finder, easy to fit and set up, well made and far more comfortable to use. (28/07/2018) Stan - South east Great Finderscope and excellent serviceThis is so much better than then straight Finderscope. It came next day. Couldn’t be better. (19/10/2018) Nigel Davenport - Burnley The achromatic 50mm objective delivers good light gathering, a wide 45° field of view and a cross-hair reticule for easy navigation. Right angle finderscope makes it easy to find your target when your telescope is pointed toward the zenith