Askar Flattener 1.0x 120APO (88205)

261.17 $

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A field flattener is an optical element designed to correct the slight curvature of the image field produced by a telescope’s primary optics. This natural curvature causes stars near the edges of the image to appear softer or out of focus. By compensating for this effect, the flattener ensures that stars remain sharp and well-defined across the entire field of view, from the center to the edges of the frame.

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Askar Flattener 1.0x 160 f/7 (87467)

451.33 $

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A field flattener is an optical lens designed to correct the slight curvature of the image field produced by a telescope’s primary optics. This inherent curvature causes stars near the edges of the field of view to appear less sharp. By compensating for this effect, the flattener ensures that stars remain sharp and well-defined across the entire image, from the center to the outer edges of the frame.

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Askar Reducer 0.8x 103APO (87483)

261.17 $

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A focal reducer shortens the effective focal length of a telescope, making the optical system faster for astrophotography. As a result, images appear brighter, and the field of view is expanded, allowing larger sections of the sky to be captured in a single frame.

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Askar Reducer 0.8x 120APO (88179)

261.17 $

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A focal reducer shortens the effective focal length of a telescope, making the optical system faster for astrophotography. This results in a brighter image and a wider field of view, allowing larger areas of the sky to be captured in a single exposure.

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Astronomik Filters H-alpha 12nm MaxFR XT Clip Nikon Z XL (88411)

471.95 $

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Astronomik XT filters for wide-angle optics are designed to deliver sharp, well-defined stars right into the corners of the image, even with extreme wide-angle lenses. With standard Astronomik filters, image quality at very short focal lengths can be limited. Although these filters use a glass substrate only one millimetre thick, certain wide-angle lenses can still introduce aberrations, causing stars near the edges of the frame to stretch into short lines.

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Baader Filters D-ERF energy protection filter 290 mm (87870)

5315.17 $

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Plano-parallel round optical discs with both surfaces precision-polished to lambda/10 accuracy ensure excellent optical quality. An advanced infrared anti-reflection coating, based on a multi-layer dielectric interference system, prevents excessive heat from entering the telescope’s optical tube assembly. The plano-parallel D-ERF (Energy Rejection Filter) effectively blocks infrared radiation, even during extended observing sessions.

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DayStar Solar filters QUARK Gemini Combo H-Alpha (87882)

2886.68 $

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The DayStar Quark Gemini combines both Prominence and Chromosphere bandpass filters in a single unit, allowing instant switching between the two views using a simple slide mechanism. Observers can now enjoy the strengths of both bandpasses in one easy-to-use tool, with no need to change equipment or refocus. By sliding the control arm side to side—much like during an eye exam—you can transition from the broader bandpass view, which highlights large, dramatic solar prominences, to the narrower bandpass view, delivering high-contrast detail of chromospheric features.

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Evident Olympus Software CellSens Dimension Version 4.4 CS-DI-V4.4-EL - Licence (N6457500, 88257)

8403.54 $

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cellSens imaging software is designed for intuitive operation and a smooth, efficient workflow. It supports microscopy users with powerful tools that simplify image acquisition, processing, and analysis, helping to streamline everyday laboratory tasks as well as advanced research applications. cellSens Dimension is the most versatile and comprehensive solution within the Olympus cellSens software family. It combines automated image acquisition with advanced analysis functions, making it suitable for a wide range of microscopy applications.

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Evident Olympus Software CellSens Standard Version 4.4 CS-ST-V4.4 - Licence (N6457400, 88256)

3099.66 $

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cellSens imaging software is designed for intuitive operation and a smooth, efficient workflow. It supports a wide range of microscopy tasks by combining user-friendly controls with advanced image acquisition, processing, and analysis capabilities. cellSens Standard is the successor to the cellSens Entry Package and expands functionality beyond single-image capture. It supports advanced image acquisition methods such as time-lapse imaging and enables control of motorized and coded microscope components.

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Evident Olympus Evident Software PRECiV Core, Pro or Desktop Extension PV-S-GS-EL Solution Licence (N6417700, 88272)

5005.38 $

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This solution is an optional add-on for PRECiV Core, Pro, or Desktop software and is designed for grain size analysis. It enables manual measurement of ferritic or austenitic grain size in steel and supports automatic determination of grain size distribution on etched microstructures. The add-on is suitable for metallographic analysis in research, quality control, and industrial applications where standardized grain size evaluation is required.

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Evident Olympus Evident Software PRECiV Core, Pro or Desktop Extension PV-S-NMI-EL Solution Licence (N6417800, 88273)

5005.38 $

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This solution is an optional add-on for PRECiV Core, Pro, or Desktop software and is designed for the analysis of non-metallic inclusions. It enables automatic detection of inclusions based on color, shape, and size, along with automatic classification of oxides, sulphides, silicates, and aluminates. Detected inclusions are displayed live on the screen together with the corresponding evaluation results, allowing efficient and standardized analysis.

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Evident Olympus SZX2-CPO polarisation insert (N5733500, 69490)

456.91 $

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This polarization plate module is designed for use with the SZX2-ILLTQ/S illumination base and supports polarization contrast techniques in stereo microscopy. It can be combined with the SZX2-AN analyzer and the KL-RA-SZX-2 ring light adapter to enable polarized light observation, making it suitable for material analysis, quality control, and educational applications.

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Geoptik Tripod levelling system for EQ6 (88282)

346.7 $

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This three-piece kit is designed to make leveling your EQ6 tripod fast, precise, and highly convenient. It installs between each tripod leg and the tripod base, forming a solid, integrated unit that becomes part of the tripod structure itself. Adjustment is simple and intuitive. You raise or lower the desired leg by turning it, then secure the position using the reference locking ring.

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Hotech 2" SCA field flattener (22937)

280.11 $

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Refractor telescopes often produce optical errors toward the edge of the image field. This leads to field curvature, where stars near the edges appear blurred, distorted, or out of focus. Such curvature reduces image quality and is especially undesirable in astrophotography, where visual aesthetics and pinpoint stars matter. The Hotech Field Flattener offers a simple and effective solution to this common issue. Achieving sharp stars right to the corners of the image is possible with the Hotech Field Flattener—and it is remarkably easy to use.

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Hotech HyperStar Laser Collimator 14" (64686)

695.7 $

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Achieving precise star collimation normally requires ideal conditions: clear skies, no wind, stable temperatures, minimal light pollution, a well-aligned tracking mount, thermal equilibrium of the optical tube, and a suitably bright reference star. In reality, these factors are rarely all present at the same time. As a result, traditional star collimation often becomes a frustrating trial-and-error process, moving back and forth between the front and rear of the telescope, adjusting screws while trying to judge concentricity through a high-magnification eyepiece as the defocused star image constantly shifts.

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Hotech HyperStar Laser Collimator 9.25" / 11" (64685)

695.7 $

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Achieving precise star collimation typically demands ideal observing conditions: clear skies, calm air, stable temperatures, minimal light pollution, a well-aligned tracking mount, thermal equilibrium of the optical tube, and a suitably bright reference star. In practice, many of these factors are beyond the observer’s control. As a result, traditional star collimation often turns into a frustrating guessing game—moving between the front and back of the telescope, adjusting screws while peering through a high-magnification eyepiece at an unstable, defocused star image. The process can be time-consuming and unreliable.

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Hubble Optics Wireless Handpad (71116)

675.03 $

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The Hubble Optics handpad features a built-in, astronomer-adjustable LED flashlight and a glow-in-the-dark keypad, making it easy to operate even in complete darkness without compromising night vision. A keyboard lock function is included, allowing only the arrow keys to remain active. This is especially useful when handing the controller to the general public, for example during outreach events, as users can safely move the telescope to explore objects like the Moon without the risk of changing critical settings.

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Hubble Optics Wheelbarrow for UL 24 Dobsonian (53726)

472.98 $

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This set includes two sturdy steel handles, each equipped with an air-filled tire with a diameter of 15 cm. The handles are mounted directly onto the rocker box of a Dobsonian telescope, allowing the entire instrument to be moved easily even when fully assembled. The telescope can be repositioned without removing the base, making setup and relocation quick and convenient during observing sessions.

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Hubble Optics Primary mirror 355/1778 Pyrex Enhanced Coating (56560)

3375.19 $

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The Hubble Optics lightweight sandwich mirror is a cost-effective and high-performance alternative to traditional solid mirrors and other lightweight designs on the market. Inspired by the construction principles of the Hubble Space Telescope, these mirrors combine advanced thermal behavior with excellent structural stability, delivering superior real-world optical performance. Telescope mirrors are manufactured under tightly controlled temperature and humidity conditions and are precisely measured only after reaching full thermal equilibrium.

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Hubble Optics Primary mirror 406/2032 Pyrex Enhanced Coating (56561)

3857.36 $

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The Hubble Optics lightweight sandwich mirror is a cost-effective and high-performance alternative to conventional solid mirrors and other lightweight designs on the market. Its construction is inspired by the design principles used for the Hubble Space Telescope, combining advanced thermal behavior with excellent structural stability to deliver superior real-world optical performance. Telescope mirrors are manufactured under strictly controlled temperature and humidity conditions and are precisely measured only after reaching thermal equilibrium.

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Hubble Optics Primary mirror 457/2057 Pyrex Enhanced Coating (56562)

5786.04 $

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The Hubble Optics lightweight sandwich mirror is a cost-effective and high-performance alternative to conventional solid mirrors and other lightweight designs available on the market. Its construction follows principles similar to those used in the Hubble Space Telescope, combining advanced thermal behavior with excellent structural stability to achieve superior real-world optical performance. Telescope mirrors are manufactured under tightly controlled temperature and humidity conditions and are precisely measured only after reaching thermal equilibrium.

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Hubble Optics Primary mirror 508/1880 Pyrex Enhanced Coating (56558)

8403.54 $

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The Hubble Optics lightweight sandwich mirror is a cost-effective and high-performance alternative to conventional solid mirrors and other lightweight designs available on the market. Its construction follows principles similar to those used in the Hubble Space Telescope, combining advanced thermal behavior with excellent structural stability to deliver superior optical performance in real observing conditions. Telescope mirrors are manufactured in tightly controlled temperature and humidity environments and are precisely measured only after reaching thermal equilibrium.

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Hubble Optics Primary mirror 508/2134 Pyrex Enhanced Coating (56563)

6566.7 $

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The Hubble Optics lightweight sandwich mirror is a cost-effective and high-performance alternative to conventional solid mirrors and other lightweight designs on the market. Its construction follows principles similar to those used in the Hubble Space Telescope, combining advanced thermal behavior with excellent structural stability to deliver superior optical performance under real observing conditions. Telescope mirrors are manufactured in tightly controlled temperature and humidity environments and are precisely measured only after reaching thermal equilibrium.

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Hubble Optics Primary mirror 610/2560 Pyrex Enhanced Coating (56564)

12169.06 $

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The Hubble Optics lightweight sandwich mirror is a cost-effective and high-performance alternative to conventional solid mirrors and other lightweight designs available on the market. Its construction is inspired by the design principles of the Hubble Space Telescope, combining advanced thermal behavior with excellent structural stability to deliver superior optical performance in real observing conditions. Telescope mirrors are manufactured in tightly controlled temperature and humidity environments and are precisely measured only after reaching thermal equilibrium.

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