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*Attention:When using the V60 objective lens, you can rotate the accessory to 60 scales to use; when using the V80 objective lens, the accessories should be rotated to 80 scales to adapt to the different aperture sizes of the different objective lenses.

You may have heard of the ASIAir, but if you haven't, it's a groundbreaking device that drastically simplifies astrophotography. This will allow y...

I received the Askar-V a few weeks ago from All-Star Telescope and as usual, the order process, shipping etc was efficient and quick. The scope is very solidly built relative to others that I own and the ability to change focal length is the main reason for the purchase. It is incredibly easily to switch between the various options, but unfortunately I have not been able to try it out yet due to the smoke from forest fires and cloud. Hopefully this will change soon.

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The V60 objective lens and V80 objective lens, both adopt a triplet APO design, two of which are ED glass, which can effectively eliminate chromatic aberration and increase image clarity. The V60 native focal ratio is f/6, and the focal length is 360mm. The V80 native focal ratio is f/6.25, and the focal length is 500mm. V is equipped with three additional accessories that are adjustable to 60mm or 80mm scales through rotation. The rear end of each accessory has M48 and M54 adapters with 2" built-in filter thread and the back focus is a standard 55mm.

Super-light fully featured mount for the ultimate grab-and-go setup. It builds on the enormous success and reliability of it's bigger brother, the ...

Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!

Save yourself money and headaches with integrated guiding in this excellent deep sky camera. It's just a souped up 2600mc that will let your mount ...

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Buy with confidence knowing that we accept returns up to 30 days after purchase. We want you to have something you will actually use and we are confident that we keep good quality products in our store with No Junk.

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Leica Systems • R-System • Lenses • Tele-Lenses Macro-Elmarit-R 2,8/60mm Summilux-R 1,4/80mm Summicron-R 2/90mm Apo-Summicron-R 2/90mm ASPH

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V extender, as the highlight of the product set, fully shows our none-stop innovation spirit and fulfill a part of the market vacant. V extender being used with the objective lens at the aperture of 60mm, the focal length is 446mm and the focal ratio is f/7.43; at the aperture of 80mm, the focal length is 600mm and the focal ratio is f/7.5. It supports both the connection to objective lenses of different apertures and the effective extension of the focal length, allowing clearer images to be captured and more detail to be observed.

Sep 1, 2023 — The Global Specialty Lens Symposium (GSLS) ... lens manufacturing techniques and lens designs. ... Corporation. Later, as a co-owner of ...

V comes with new scaled 360° rotator and finder base, 1.25” and 2” visual adapters, supporting high-quality visual observation. Multifunctional handle design makes it more portable and easier to connect to vixen style finder base and accessories.

May 29, 2024 — Whereas regular or standard lenses have a circular shape, aspheric lenses have a varying curve across the lens. They're a thinner, flatter, ...

Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.

The V flattener improves field curvature, edge quality and reduces aberrations. When used with the 60mm objective lens, the focal length remains 360mm and the focal ratio is f/6, while when used with the 80mm objective lens, the focal length changes to 495mm and the focal ratio becomes f/6.18. The V flattener helps you make clearer and more professional photos. It is an indispensable aid to high quality photography.

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The overall appearance of the Askar V is simple and generous, the color scheme of ivory white and silver makes it cool and elegant, and every detail of the design reflects exquisite craftsmanship and quality. Askar V not only has an elegant appearance and high-quality mechanical design, but also has excellent star performance and rich function configuration.

In photography, a lens adapter is a device that enables the use of camera and lens combinations from otherwise incompatible systems.

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In a word, this telescope is a highly cost-effective choice whose advantage of multi-function caters for all level amateurs. Whether you are new to astronomical telescopes or an experienced amateur, you will find something to suit your needs in V. The Askar V is an absolute must-have telescope for you.

Why use an achromatic lens? Learn about Edmund Optics' most popular family of optical lenses and discover if achromatic lenses are ideal for your next ...

You can trust purchasing and delivery with All-Star Telescope. All of our transactions are 100% secure and Level 1 PCI DSS compliant thanks to Shopify's ShopPay platform. For additional protection, we insure 100% of the value of every shipment we make. If it get's lost during shipment, we replace it. If it gets damaged during shipment, we replace it. We make sure your product arrives exactly as you would expect it to; we promise.

We also ensure privacy protection. We never keep any of your credit card information on file and any of your personal data is stored according to our policies.

Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!

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DSO imaging cannot live without long exposure, and long exposure cannot live without guiding. To reach more accurate guiding, Askar launches a new 32mm F4 Guide Scope. It is optimized in the structure, providing users with better imaging quality on the base of good guiding ability.

Get the best deals on 120mm Focal Camera Lenses when you shop the largest online selection at eBay ... Focal Length. Focal Length. 120mm · Fixed/Prime · Zoom ...

“Dovetail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dovetail. Accessed 21 Nov. 2024.

The laser beam has three main characteristics. Firstly, it is monochromatic. This means that its light consists of a single color, determined by a single ...

The scope came with a great bag to keep everything together and was easy to set up with an ASIAir Plus and ASI EF. I am looking forward to being able to get some images as soon as things clear up.

"5.15" (sometimes written "5:15" or "5'15") is a song written by Pete Townshend of British rock band The Who from their second rock opera, ...

Using the reducer, can effectively reduce exposure time and expand the field of view to meet more of the shooting requirements. When the reducer is used with V60 objective lens, the focal length is reduced to 270mm, and the focal ratio is increased to f/4.5; when the reducer is used with V80 objective lens, the focal length is reduced to 384mm, and the focal ratio is increased to f/4.8.The V reducer unlocks the new performance of the Askar V, bringing more convenience and possibilities for your wide-field deep sky astrophotography.

Where can I find the delta of Lucid Group (LCID) option contracts? Delta is a value that represents the ratio between change in price of the underlying asset, ...

Finding the right new telescope eyepiece can be a game changer.  This post will help you to pick the best telescope eyepiece for your needs.

The former electric power steering has reverted to a hydraulic rack-and-pinion. · Pinion and his teammates will host defending 3A state champs West ...