FeaturesThis Baader Binoviewer Mark IV is a Used item in very good condition. It comes with a 90-day OPT warranty.
Used Baader Binoviewer Mark IV - SoldBaader Binoviewer Mark IV
The Mark V Binocular Viewer is the culmination of years of research and development, originally by Carl Zeiss Jena and further advanced by Baader Planetarium. It combines all the best features to provide a superb viewing experience: optical quality, critical colimation, high transmission coatings and diopter adjustment to individually focus each eye.
ClickLock Eyepiece Clamps - The ClickLock mechanism grips your eyepiece firmly using a 3-point contact that accurately centers each eyepiece. Insert the eyepiece and lock it in place with a gentle twist of the outer locking ring (just two tenths of a full turn). The clamp applies gentle, even pressure to lock the eyepiece in place and centered. Please refer to additional information from Baader Planetarium regarding the new ClickLock feature.
Diopter Adjustment - You can now achieve perfect focus for each eye with the silky smooth microfocusing collar, which allows 8mm of focus travel. Please refer to additional information from Baader Planetarium regarding this new ClickLock feature.
Dielectric Coating of Prisms - The dielectric coating increases throughput by 8.9% from previous models. The coatings were carefully matched to the index of the glass used for the prisms. They allow maximum transmission at 510nm - exactly where the dark accommodated eye has its maximum sensitivity. This is especially important for night vision.
Mirror Diagonal - The Baader T-2 Mirror Diagonal features durable, 99% reflective Maxbright dielectric coatings. Its compact size allows the shortest possible light path. It is also part of the T-2 system, allowing a variety of configurations. The mirror diagonal offers the same optical performance as the prism diagonal that was offered prior to December 2011.
Interocular Separation Adjustment - Adjusting the eyepiece spacing does not affect focus. The interocular distance can be adjusted from 55mm to 75mm.
Removable 1.25x Compensating Optical Element - This optical element eliminates the slight color error and spherical aberration that a prism beam splitter naturally introduces into the light path of all binocular viewers. It allows you to enjoy wide-field, low-power views of deep-sky objects, as well as high powers. This element (also known as a Glasspath Compensator) was designed by Roland Christen of Astro-Physics and is essential for telescopes with fast focal ratios. Baader Planetarium was the first to introduce this feature for the binocular viewer. We also offer the 1.7x (BP4B) and the 2.6x (BP4C) Glasspath Compensators and the 2" 1.8x Glasspath Corrector for Refractors and SCTs (BPRSGC18) to provide higher magnifications. A 2" 1.7x Glasspath and Coma Corrector for Newtonians (BPNGCC17) is also available. [See this link for Glasspath Compensator Placement.] One of these optics should always be part of the optical path of telescopes with fast focal ratios unless a BARADV or BPFFC is used.
Quality custom case - Your investment is well protected in a high-quality custom foam-lined case. The case is included with Mark V Binoviwers shipping since September 2014 and is available as a separate accessory (BPMARKV-CASE) for previously shipped Binoviewers.
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