Alstar 2'' Ed 2X Dual Power Telescope Barlow Lens For Telescopes
$72.83
Regular price
$104.04
-29%
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Most Large Telescopes Have A 2 Focuser. You Can Use This To Your Advantage By Using A 2 Barlow Lens And Discovering All The Additional Advantages This Can Offer. The Astromania 2 Barlow Lens Provides A Good Image With High Contrast. The Use Of Ed Glass Means That Visible Colour Aberrations Are Reduced To A Minimum With The Image Appearing Substantially Sharper. In Addition, All Lens Surfaces Have Been Provided With A Green Multi-Coating To Reduce Reflections. The 2Diameter Also Allows You To Insert Your 2' Eyepieces Into The Barlow, Doubling Their Magnification. This Saves The Need To Buy Additional Eyepieces. The Large Lens Diameter Also Means You Will Notice No Shadowing In The Image. You Can Also Use The Barlow Lens For Astrophotography. Especially For Compact Objects, Sometimes More Focal Length Is Required In Order For Them To Be Seen At A Reasonable Size In The Image. The Big Plus: There Is Also No Shadowing Apparent On Small Image Format Camera Chips. Naturally, Clear Starry Nights Can Be Cold In Summer. This Often Means There Is No Choice But To Wrap Up Warmly. This Barlow Lens Has Been Designed With A High Grip Exterior To Provide A Good Grip, Meaning That It Is Easy To Handle Securely Even With Gloves On. One Does Not Always Need The Focal Length To Be Doubled. It Is Also Possible To Use Just One Section Of This Barlow Lens In Order To Get A Magnification Factor Of Something Like 1.5X. The Lower Barlow Element Can Simply Be Unscrewed And Then Screwed Into Any 2 Eyepiece. This Barlow Element Is Correctly Threaded For This Purpose.There Is A 2 Filter Thread Provided On The Lower Part Of The Barlow Lens And On The Reducer Adapter For Using Your Filters.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
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Frequently Asked Questions
Q: What is the magnification factor of the Alstar 2" ED 2X Dual Power Telescope Barlow Lens?A: The Alstar 2" ED Barlow Lens provides a magnification factor of 2x when used in full unit mode. Additionally, you can achieve a magnification of approximately 1.5x by using just one section of the lens.
Q: Is this Barlow lens compatible with all 2-inch eyepieces?A: Yes, the Alstar Barlow Lens is designed to be compatible with any 2-inch eyepieces. You can unscrew the Barlow element and thread it directly into your 2-inch eyepiece for easy use.
Q: Can I use filters with the Alstar Barlow Lens?A: Absolutely! The Alstar Barlow Lens comes with a 2-inch filter thread on the lower part of the lens and the reducer adapter, allowing you to use various filters for enhanced viewing.
Q: How does the ED glass enhance the performance of this Barlow lens?A: The use of ED glass in the Alstar Barlow Lens minimizes visible color aberrations, resulting in sharper and clearer images with high contrast, which enhances your overall viewing experience.
Q: What care should I take when using the Barlow lens in cold weather?A: The Alstar Barlow Lens features a high grip exterior which makes it easy to handle securely, even when wearing gloves in cold weather. Always ensure to keep the lens clean and protected from moisture to maintain optimal performance.
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