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Correcting a misalignment of a telescope
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Observation nights with different focuses now with us!
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Tip: Locating the lens cell adjustment screws of an ED-APO from Explore Scientific.
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Many inexpensive telescopes have an eyepiece extension that can be adjusted to prevent tilting.
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One of our fast spotting telescopes:
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You can test binoculars and spotting scopes with us.
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Telescope optimization: Adjust tilt on Skywatscher Newton & Dobson
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Telescope repair: Maksutov focus knob came loose
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Telescope optimization: Finder shoes for Vixen - Skywatcher - Celestron & Co.
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Will be produced for you
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Telescope optimization: Tracking handles for Dobson telescopes
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Safe packing of telescopes: The sensitive cover cap of the polar finder
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Small telescope to a large (SC) telescope
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Repair of a Celestron C9 1/4'' - Mirror mount & shell breakage
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General overhaul of an old SkyWatcher 150/750 refractor
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Repair Meade GoTo mount (Meade ETX-105ETC)
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Repair of an older Celestron C5 with a resinous focuser.
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Here we are cleaning a SkyWatcher refractor 150mm 750mm f/5.
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Cleaning Celestron C8 Schmidt plate with effort and caution
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Mirror shifting can be minimized to a certain extent.
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Repair and cleaning of a C9.25 Schmidt plate
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Repairing a Vixen Go-To mount
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Heavily contaminated SC telescope & Schmidt plate
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Fungal infestation in Flattener - Disassembly & Cleaning
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An idea how to mount/attach a telescope to a windowsill.
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Often, only a small adjustment is needed for optimal alignment. But the more precisely a telescope is adjusted/collimated, the sharper and more contrasty the image will be.
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For safe shipping, we additionally pack most telescopes with bubble wrap
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Here is a comparison of a dew cap lined with velour:
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The internal blackening can also be easily improved in a refractor, Maksutov or Schmidt Cassegrain
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A better anti-reflective coating (velour, (velour, velour), blackboard varnish, Berger anti-reflective paint) increases the contrast and sharpness.
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For the adjustment of RC (Ritchey-Chrétien) telescopes we use an illuminated surface.
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Adjustment screws of the SkyWatcher ESPRIT-120ED 120mm 840mm PROFESSIONAL F/7 SUPER APO TRIPLET
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View of the lenses and internal aperture system of the SkyWatcher ESPRIT-120ED 120mm 840mm PROFESSIONAL F/7 SUPER APO TRIPLET
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Optimizing the SkyWatcher AZ3 for more stable observation near the zenith
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On request we can replace the focuser
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Some telescopes need to be packaged more securely before shipping than when they arrive at our premises
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From time to time it can happen that the grub screws for the secondary mirror adjustment break
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If a tube becomes heavily soiled during an adjustment job...
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Meade LX200 fork mount interior view.
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Newtonian adjustment is more comfortable/easier if you replace the secondary mirror adjustment screws with knurled screws
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The more precisely a telescope is adjusted, the sharper and more contrasty the image
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In stock + testing
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If binoculars are misaligned, they will display double images and be blurry. How we adjust:
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Fastening secondary mirror of an SC (Schmidt Cassegrain), if loose
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Camera mount for the viewfinder shoe made of hardwood and an aluminum profile
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Stray light protection against disturbing light from street lamps
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Craft corner: Red light lamp in a highlighter case
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Here you can see us preparing for an observation course in Buchendorf.
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The focuser on Bresser refractors can also be adjusted so that it tilts less.
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The adjustment of a refractor can be accomplished very easily and precisely with the Grzy-Multi-Collimator GMK by Wolfgang Grzybowski
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To release or remove a tube from the Meade LX fork mount (or similar), you must loosen four screws on the bottom of the mount
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Here, washers were used to adjust the focuser on a Newtonian
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With a Newtonian, it is important that the geometry of the primary mirror, secondary mirror and focuser is correct.
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If there is no finder shoe on an eyepiece holder, the finder shoe can also be attached to the tube clamp.
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On most refractors, the eyepiece focusers can be replaced with more stable OAZs.
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If the eyepiece tray on a Dobsonian is broken, it can be reattached with through screws
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A small special feature of the Kson Dobson is that the eyepiece locking screw is reinforced.
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If a refractor is not precisely adjusted, it will not produce as good an image...
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For primary mirrors of Newtonians without center marking, the center must be determined "visually"
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Here we are checking a C8
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If an eyepiece focuser tilts, one or more thin Teflon strips almost always help
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Teflon strips to prevent tilting of the focuser on inexpensive telescopes
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SkyWatcher Heritage 130P FlexTube Dobson should also be adjusted with a Cheshire adjustment eyepiece.
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metallic noise when tracking the SkyWatcher SkyLiner SynScan GoTo Dobson
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Partial view of our astronomy exhibition with various telescopes on display.
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Here is a Meade 12 inch LX200 tube that we removed from the fork, fitted with a dovetail rail, and now mounted on the Celestron CGEM DX mount.
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Manual GoTo with smartphone (and/or compass and inclinometer):
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Everything in its place: Illuminated eyepiece tray in tripod column
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Size comparison of a 12" Dobsonian to a 70/900 refractor on an EQ mount and extended tripod.
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The APO130f7-P TS PHOTOLINE 130mm f/7 Triplet APO with FPL-53 and 2.5" RPA focuser can be centered (adjusted) very sensitively.
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Some defects on lenses, mirrors and other smooth surfaces can be seen under UV light.
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In stock + testing
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The Skywatcher Heritage-100P 100mm 400mm 4" f/4 Dobson is easy to adjust.
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In Kson mounts, all gear parts are made of metal.
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In stock + testing
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For some telescopes, we have optimized the packaging and ship them with secure cushioning to protect against rough transport.
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In stock + testing
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In the "simple", inexpensive Newtonian telescopes, the focuser can be adjusted using small grub screws
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Binoculars can also be adjusted very precisely using an artificial star and an optical test board.
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Refractors without adjustment screws and where the lens cell is attached to the tube with screws can be adjusted by tilting the lens cell towards the tube.
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Optimizations and modifications to a SkyWatcher Maksutov 127mm
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On some telescopes (refractor, ED-APO...) the dew cap does not hold firmly enough and slides down when observing near the zenith.
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If the surface of a Newtonian secondary mirror mount is already uneven...
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In stock + testing
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Important for a precise adjustment of Newton is the exact position of the secondary mirror in the geometric center to the tube and primary mirror.
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In stock + testing
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Newton Adjustment and Cleaning by Disassembling the Mirror Cell:
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Tighten the secondary mirror mount on the SkyWatcher Heritage 130P:
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If focusing inward isn't enough...
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Hofheim Instruments 12" travel telescope with "Sternnavi" Argo Navis on eBay
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Current information about Comet Ison: http://www.komet-ison.de/
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ISON live blog with lots of information:
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SkyWatcher Heritage Virtuoso 90 1250mm Maksutov telescope can be precisely adjusted
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Newton mirrors without center marking
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Contamination on the lenses disrupts the image
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Test setup for the first verification of telescopes
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Individual advice instead of blind purchase!
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Telescope repair: Intes Micro Alter m603 Maksutov 150mm f10
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The bearings (bearing play) of the iOptron MiniTower can also be optimized.
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The Crayford focusers allow you to easily attach a viewfinder
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Solar telescope with the 120 mm f/5 from SkyWatcher
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Replace focuser
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Flip Mirror by Orion
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Possibility to store our eyepieces and Ronchioocular
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Newton by SkyWatcher: Adjusting the focuser
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Guide scope clamps can also be screwed directly onto pipe clamps
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Eliminate reflections by screwing in the focuser:
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Advantages & disadvantages Information
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TS-Optics ToupTek SkyEye62AC Full Frame Color Astro Camera, cooled - Sensor D=43.3 mm
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TSWA20 TS WA20 Wide Angle Eyepiece - 20mm - 1.25" - 70° Field of View
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Very good to my 70 mm Orion finder. Its give me 5* agreed fi
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