televue 85 astrophotography

A 2 inch to 1.25 inch reducer adapter is furnished to permit the use of 1.25 inch diameter accessories. Televue 40mm Plossl 1.25" Eyepiece PMT-2513 / 5126 Televue 5. powermate - 1.25" AstroPhotography HW Philips ToUcam PRO II 840K Webcam w/ 1.25" Adapter Laptop - Averatec 6220, Athlon 64 3000+ processor, 1 gig Ram, 80gig HD Software Development: Presently I have a laptop and P4 workstation connected via wireless network. The former chromed drawtube arrangement consisted of a machined aluminum collar bolted onto the chromed drawtube barrel by three short screws. Test photos taken with a prototype lens on a TeleVue 85 (by Chris Cook - look at his Web site), and a wonderful 1-1/3 page wide photo of the Andromeda Galaxy appear in "Astronomy" magazine. Online stores and auction houses have facilitated commerce regarding all sorts of useful optical components at a reasonable price. This is a book about making telescopes from available parts. Field Flattener/0.8X Telecompressor: slides into the 2 inch barrel of the TeleVue 85 telescope focuser. The Televue TV85 Ivory telescope package includes 2" Everbrite diagonal, 2" focuser, screw-in dust cap, retractable dew shield, clamshell mount, TeleVue Plossl eyepiece, 1.25" adapter and custom soft carrying case. A 2 inch to 1.25 inch reducer adapter is furnished to permit the use of 1.25 inch diameter accessories. I tried a focal reducer, which makes it a f/6.3 system. Click on image to see enlarged view (288,522 bytes). This case has extra space to accommodate a selection of several 1.25 or 2 inch oculars, camera adapter, etc. In the past, I was strong on both Televue and Pentax. Each is available with the optical tube finished in either Green or Ivory, or in Brass construction (illustrated above). These eyepieces are acceptable as long as you realize this limitation and find this unobtrusive. It’ll spend the rest of the year in the 5.8 – 5.9 magnitude range before the next opposition approaches. Configurations: Since many people who will buy this telescope already own some components that are compatible, and others wish to buy only the optical tube for use as a super "finder" or photo guidescope for a larger telescope, TeleVue makes the 85 available in two basic hardware configurations: Each is available with the optical tube finished in either Green or Ivory, or in Brass construction (illustrated above). and Complete Telescope - as above but with Mounting Collar, 2" Everbrite Diagonal, 2" to 1.25" Reducer, 20mm Plossl Eyepiece. The telescope is furnished with a dense polyester foam lined nylon carrying case with a zippered lid. Continue reading “Tele Vue-85: Imaging the Skies Over Queensland Australia!”. This allows very precise manual focusing on our relatively fast Apo lenses, this can be helpful if you are trying to obtain that last fractional improvement of image definition when looking at a planet, the moon, the Sun, etc. When the electric field vectors are restricted to a single plane by some means of filtration of the beam, then the light is referred to as plane or linearly polarized with respect to the direction of propagation, and all waves vibrating in a single plane are termed plane parallel or plane-polarized. EOS Rebel T3i (also known as the 600D). Click on images to see enlarged views (173,773 and 308,853 bytes) Sky-Watcher EQM-35 - Fully Computerized GoTo German Equatorial Telescope Mount - Belt-driven, Astrophotography ready, Computerized Hand Controller with 42,900+ Celestial Object Database. Also provided with the basic telescope is a thread on lens cover of machined aluminum in a tube assembly that has an overall length of only 21-7/8 inches with its 2 inch diagonal attached. As an example of the enthusiasm, I included the following: Right after NEAF, Rodger Gordon, a well-known “eyepiece junkie,” wrote me: “Definitely the finest wide-angle eyepiece I’ve ever seen. The Tele Vue-85's mix of aperture and small physical size makes it a wonderful "go anywhere, do anything," crossover instrument-with Tele Vue quality, of course. The Tele Vue-85's mix of aperture and small physical size makes it a wonderful "go anywhere, do anything," crossover instrument—with Tele Vue quality, of course. Overall I would rare it closer to 85-90% as good of a view as prime. This is easily the most extensive book on the subject of lunar art for amateur astronomers, particularly those observing through a telescope. The title "supermoon" is given to a full moon when it is at its closest approach, making it appear a bit larger than average. DSLR line, but a big step up from point-and-shoots and cellphones. The coarse-focus knobs allow you to rack the drawtube out quickly, and then the fine knob is used to find and hold the final focus point. The following gallery of Southern Hemisphere nebulae, by Vesselin Petkov, is a great example of the exquisite results possible with the Tele Vue-85. at sporting events, are in fact small catadioptric telescopes.). The pieces fit nicely together and I especially like the sliding tube to adjust the camera to eyepiece distance. The focuser design changes of 2005 are particularly beneficial to those who entertain CCD or film imaging with the heavier cameras; this design was tested so far with loads including an SBIG STL series CCD camera which approach 5 lbs. IC1396_2021__HOO_PS_s1_Flat.jpg. I spent cold clear winter nights in Northern New York learning the basics together with my father on an 8″ Schmidt Cassegrain. So many customers are buying the 85 as a second handy telescope, guidescope, or finder where some of the provided accessories are not required that in April 2001 TeleVue announced it would be made available in two basic hardware configurations: Company Seven advises new customers who own no suitable telescope accessories to buy the latter, the entire complete telescope package since it is usually not cost effective to buy all other accessories "Ala Carte". I remember trying to manually guide my first prime focus images of M42 with the 2,000mm focal length SCT, shooting 35mm film in 10°F temperatures. Ninian Boyle gets his hands on TeleVue's 85mm refractor, which is perfect for visual astronomy or astrophotography while also making a great travelling telescope. The polarization effect can suppress specular highlights and glare that might otherwise cause a camera meter to think the filter is having changing its light transmission, but in reality the ND factor of the filter does not obviously change. In January of 2013, I got a real camera and the adapters I need to attach it Veil nebula in white phosphor. But because of such riches, it is easy to get lost when trying to decide on what eyepieces to buy. This book will help readers choose the best eyepiece for them now and continue to serve as a treasure trove of information for years to come! It will also allow quick, precise manual focusing with CCD cameras. The male 2 inch barrel is threaded to accept 48mm photo and visual filters. This is the third edition of Phil Harrington's popular and comprehensive guide to astronomical equipment, written for both new astronomers as well as experienced amateurs. I have some usage bias so I would try for a used Televue 85 with the case, diagonal and usually they toss in the 20 mm Plossl it comes with. At the 10:30 and 1: 30 o'clock positions on the top of the collar there is a dovetail platform to accommodate a variety of TeleVue options including the "Starbeam" sight, or a "Piggycam" piggyback photography mount. Mauri Rosenthal’s Tele Vue 2.5x Powermate solar images appeared in our Here Comes the Sun! This allows very precise manual focusing on our relatively fast Apo lenses, this can be helpful if you are trying to obtain that last fractional improvement of image definition when looking at a planet, the moon, the Sun, etc. By eliminating the reflection of light off the water surface for example, depending on the transparency of the water it may be possible to see fish, reefs, etc. With optional 2" and 3" long x 2" diameter extension tubes, it is possible to observe at distances of as close as ten feet for use as a "long distance microscope". Famous as the butt of planetary jokes and puns, the “ice giant” Uranus will be visible all night on November 5th when it rises in “opposition” at sunset (hence it is opposite the Sun from Earth’s viewpoint). “Trifid Nebula” (M20 or NGC-6514) was named by John Hershel (1792-1871) who dubbed it the “Trifid” — from Latin for three parts or lobes — based on his telescopic observations of the divisions in the central part of the object. The degree of the effect of the polarization depends on the orientation of the sun to the target and to the photographer, and it also varies with the filter's rotational orientation. Notice their no mar clamp lock mechanisms (64,909 bytes). 10 shots, 5 minutes each, stacked and processed in Images Plus. It will also be at its largest for the year: a diminutive 3.76″ of arc. Commencing in April 2011 the TeleVue focuser of the NP101 incorporates the well regarded Feather Touch®, a dual-speed geared pinion assembly made by Starlight Instruments, offered or standard on many telescopes today. The stars around the nebula are an open cluster. The optical tube assembly is finished black internally with an efficient antireflective method unique to TeleVue telescopes. This is a very nicely made device with a lot of flexibility for either prime focus or eyepiece projection astrophotography. Taken at Amboy Crater on March 16, 2020. For photography, this collar be snugged tight to reduce or eliminate undue wavering of the telescope in the collar. This set screw is captive and so it will not easily come out. Found inside – Page 270... 213 Petzval Televue FSQ85-EDX, 212 Televue FSQ106-EDX, 212 Televue NP101is, 212 Televue NP127is, 212 telescopes (cont.) Takahashi FS series, 212 Takahashi FS102,43, 108, 114, 212 TEC APO 140,213 Teleskop-Service TSAPO65Q, 212 Vixen, ... The Tele Vue TV-85's mix of aperture and small physical size makes it a wonderful "go anywhere, do anything," crossover instrument_êàwith Tele Vue quality, of course. The Observatory houses a new Celestron 14-inch Schmidt-Cassegrain telescope, a TeleVue 85 mm refracting telescope, a Losmandy G-11 equatorial mount, and much new astrophotography equipment. And for CCD imaging operations the telescope at prime focus can show about one degree across the diagonal of a common 2/3" detector (such as that employed on some of our SBIG CCD systems. The 5x Powermate is also a nice unit and if it where not for the direct comparison to the other two units I would have been quite happy with its performance. Knowing Rodger’s long experience with astronomical equipment, and the fact that we both own Questar 3.5″ telescopes, he sent me the following letter, written July 17, 2020, about comparing his Questar 3.5″ to his son’s Tele Vue-85.  I like to call the Tele Vue-85 my “Goldilocks” telescope because it’s just the right aperture and size for everything from a quick “no excuse not to go out” observing session to a full night of enjoyment. Provides easy to understand information and guidelines about the design and construction of binoscopes Focusing on both homemade and commercial products, this book provides the reader with simple and straightforward information about the ... Excited, I read all of the refractor reviews on the Internet and immersed myself in the refractor zeitgeist. The focuser lock set screw has an easy to grip knurled head, this permits one to adjust resistance of the focuser to its draw tube thereby compensating for heavy loads that might otherwise cause an unintended shift of focus. But while dew and typical evening frost will not harm the telescope (optional heaters can prevent these nuisances from prematurely shutting down your evening session) the telescope and conventional eyepieces are not waterproof immersible. More Details. It can resolve objects on the moon as small as 5.3 km in diameter; it will see the four largest moons of Jupiter and their shadows cast on the surface when they transit past the planet! The Tele Vue-85's mix of aperture and small physical size makes it a wonderful "go anywhere, do anything," crossover instrument—with Tele Vue quality, of course. This design permits one to adjust the grip on the barrel so that the telescope may be easily moved back and forth to compensate for changes of accessory loads that may affect the balance of the telescope on a mount. By the time one finds a large enough aperture catadioptric, reflecting, or achromatic refractor to see similar detail, then one can only see a fraction of their area due to the relatively high focal length of these competing telescopes; imagine trying to observe the night sky through a straw! I had to get one! Imaging from just 10-miles (16-km) from New York City, it was reasonable to expect that his flickr and Instagram walls featured images of the Sun, Moon, and Planets. So for example, if you are taking pictures of a bird standing in a pond situated at 90 degrees (off to your right or left) from the setting sun then there is a great deal of polarized light with specular reflections and glare, so as the filter is rotated the filter factor may appear to vary by more than 2 or 2.5 stops. This design permits one to adjust the grip on the barrel so that the telescope may be easily moved back and forth to compensate for changes of accessory loads that may affect the balance of the telescope on a mount. One of my goals is to use photographs of the Moon to verify and improve the He equipped the telescope with only a modest selection of accessories: TeleVue 22mm "Panoptic" eyepiece (providing 23X, 2.85 Degrees Actual Field of View), a 7mm Nagler eyepiece (71X, 1.08 AFOV), and a TeleVue Barlow lens to increase the magnification by 1.8X. The focuser lock set screw has an easy to grip knurled head, this permits one to adjust resistance of the focuser to its draw tube thereby compensating for heavy loads that might otherwise cause an unintended shift of focus. I had to get one! reach focus. No stacking or tracking. If you post an observation or photograph on social media, made with Tele Vue gear, put. We’re impressed that the images presented here are composed of color sub-frames without the use of filters or calibration frames. and Jupiter. On one side of the collar is an Allen head screw (wrench provided - but not necessary), while on the other side is a tension adjustment knob. Scope: LX200GPS 12" F25, Optical Attachments: 2.5x TeleVue PowerMate, Camera: ASI120MM, Astronomik Type 2 RGB filters, Mount: LX200, Super Field Tripod, Super Wedge. The picture But while dew and typical evening frost will not harm the telescope (optional heaters can prevent these nuisances from prematurely shutting down your evening session) the telescope and conventional eyepieces are not waterproof immersible. You can quote me.” Thanks, Rodger. second night out, Jupiter happened to be in the same field of view, less than a Requires only an optional "T-Adapter" ring for Nikon, Minolta, etc. provide easy, precise focus with 9:1 gearing, not confuse the observer at night, focus wheels are easily distinguished even in the dark, made with precisely machined, durable components to insure reliable lifetime of service. The Astrophotography Manual is for those photographers who aspire to move beyond using standard SLR cameras and editing software, and who are ready to create beautiful images of nebulas, galaxies, clusters, and the solar system. TeleVue 'TV-85' refractor W A close-up of the TV-85's focuser and locking screws. Breathtaking full-color photography complement an intriguing exploration of outer space, in a visual look at modern astronomy that features pictures from the Mars Pathfinder and Voyager probes, telescope images from around the world, and ... (2.3 kg). While Company Seven does offer optional 45 degree inclined image erecting prisms, these prisms can only accommodate 1.25 inch oculars. The view when using the telescope as it is provided will appear to be right side up, and is reversed left to right; this is not usually a problem for astronomy or nature observing because the image quality provided by the high quality mirror and 2 inch diameters panoramic oculars is exceptional. There are comparable Explore Scientific eyepieces that seem to . C-7 Home Page C-7 News Products and Services Product Lines Order Consignment Library TeleVue Distribution History TeleVue Index News Notes & Interesting Articles Pricing Products Accessories Eyepieces/Oculars Mounts Starbeam Sight Telescopes, TeleVue Distribution History TeleVue Index News Notes & Interesting Articles Pricing Products Accessories Eyepieces/Oculars Mounts Starbeam Sight Telescopes, Accessories Eyepieces/Oculars Mounts Starbeam Sight Telescopes, In March 1993 TeleVue introduced the 70mm "Pronto" ED doublet refractor telescope. New Focuser for 2011: in 2005 TeleVue changed the mechanical design of their original focuser; that change improved the rigidity and payload capacity of the focuser. This will have a dramatic impact in reducing specular highlights and glare and it is that change that will largely account for the meter reading changes. For reasons related to the target-sun orientation, for deep sky astronomy applications the use of polarization filter has no positive effects at all since this will needlessly darken the image. A perfect telescope. time in daylight. This is an especially attractive choice for those who seek a practical and versatile family heirloom grade of telescope. While highly successful for birding and accepted by the astronomy community as a whole, Company Seven believed that a need was not being met for a telescope of improved performance for astronomy. The front lens cell, focuser housing, mounting collar, and diagonal are finished in a lustrous black satin anodizing. Necessary cookies are absolutely essential for the website to function properly. I am using it with a Sony E T-Ring and a6300 camera on a Televue 85. Scope: Skywatcher Evostar 80ED (SW 0.85 FR/FF) on a SW NEQ6Pro. Omega Centauri - 42×180 sec @ ISO 400, Televue TV-85 at F/5.6, IDAS-LPS, Modified Canon T3. It is an option for TeleVue 85 optical tubes sold alone. of photography, called direct projection or prime focus, involves attaching While PixInsight is extremely powerful, very little has been printed on the subject. The first edition of this book broke that mold, offering a comprehensive look into the software’s capabilities. Used, Clearance & Exclusive Offers! All 85 models delivered since February 1999 include a refined TeleVue 2 inch diameter "Everbrite" diagonal (or "zenith") mirror. Imaging details: Tele Vue-85 APO refractor with Tele Vue TRF-2008 0.8x Reducer/Flattener (converts TV-85 to 480mm f/5.6) imaging into ZWO ASI071 MC Pro Camera. my father-in-law, from my back deck. Click on image to seen enlarged view (320,283 bytes). The aluminum barrel is powder coated in the customer's choice of either a mottled "Forest Green", or powder coated in a neutral Ivory finish, or in Brass construction. The objective lens is permanently aligned to the barrel as is the focuser assembly. The TeleVue 90 degree 2 inch diameter "Everbrite" precision mirror diagonal (1/10th wave P-V quoted) has a durable reflective coating described above. pointed a digital camera, handheld, into the eyepiece. With that out of the way, in this blog we’ll highlight November planetary events for sky watchers! The mirror diagonal provides a comfortable viewing position for the observer by diverting the image at the rear of the telescope off axis by 90 degrees to the side, with minimal degradation of image quality. I am using it with a Sony E T-Ring and a6300 camera on a Televue 85. A particular joy of this instrument is that with a suitable mount is at the limit for those who prefer a completely "carryon luggage" degree of portability. Jupiter and the Moon, November You will love the smoooooooth feel and the very cool reflection of the gold anodized knob on the polished aluminum knob. Unless subjected to gross abuse this telescope can provide several lifetimes of service with no need for any other than cleaning of the front surface of the objective lens using common camera lens cleaning techniques. With APO performance and airline portability, the Tele Vue-85 has been delighting astronomy and birding enthusiasts and reviewers alike. In the Fall of 1986 TeleVue announced a new telescope: the 76mm "Oracle". In addition, when I do get the chance to visit a dark site, the night vision works even better and I can see things I never dreamed of when I began observing the stars. Take a tour of the universe with Sky & Telescope Contributing Editor Sue French. color of this image is something I added. Getting out in the desert for astrophotography is definitely sheltering in space. The 85 telescope has become so well regarded in many applications, and so many customers are buying the 85 as a first telescope, or as a versatile traveling second telescope. Imaging was done from his driveway in Queensland Australia in Bortle class 5 (suburban) skies. . Ideally suited for astronomy and astrophotography, the ivory Tele Vue TV-85 85mm f/7 APO Doublet Refractor Telescope is designed to be an easy grab-and-go option for celestial observing, or a lightweight spotting scope alternative for birdwatching and other terrestrial uses.. 6 12.00 1401806004 0. The 101 compares favorably against many telescopes in field of view: A night under the stars at Amalia arch - Cartagena (Murcia, Spain) This impressive arch is surrounded by legends, such as that of the witch Amalia, this witch had powers with love and those who wanted to succeed in love came to her. TeleVue Doublet Refractor Renaissance Package 102 APO f/8.6. While technically a naked-eye target in dark skies, you’ll need magnification to confirm you’re looking at a planet and not a field star.Â, “Tele Vue-85: Imaging Under New York City Light Dome!”, “Tele Vue-85: Imaging the Skies Over Queensland Australia!”, “Rodger W. Gordon’s Thoughts on the Tele Vue-85 and Questar 3.5″”. Shipping Delivery information; Address Store info +371 27013333Call us anytime; Contact Leave us a message Instead, the reflective surface consists of 52 layers of thin film oxides similar to those used in antireflection coatings. With APO performance and airline portability, the Tele Vue-85 has been delighting astronomy and birding enthusiasts and reviewers alike. Moon 104-29025 Manuf. 9, 2004, at about 11:00 a.m. EST, Christmas, 2000 solar eclipse with Televue TV-85 refractor with Canon T3i camera attached. Incidentally to keep things simple, and relate as much as possible to the average amateur observer Stephen chose to use the telescope on the simple but sturdy TeleVue alt-azimuth mount with wood tripod. Single shot using night cap app on iPhone 11. Also provided with the basic telescope is a thread on lens cover of machined aluminum in a tube assembly that has an overall length of only 21-7/8 inches with its 2 inch diagonal attached. Excited, I read all of the refractor reviews on the Internet and immersed myself in the refractor zeitgeist. then the prism should be suitable. large telephoto lens. Televue 2x Barlow 1.25 inch (1-1/4 in.) You also have the option to opt-out of these cookies. The graininess in the photo is to my refractor, and I'm pretty excited about it! The Televue-76 combines the Pronto's compact size with the APO optical performance of the Televue-85. Customers who already own a telescope with accessories, and who are willing to share a diagonal and eyepiece may do well to buy the optical tube only. TeleVue 85 APO Doublet Refractor Telescope. Software: Celestron PWI, PHD2 Guiding, Astro Photography Tool 3.82. Click on image to seen enlarged view (460,364 bytes). That’s where Choosing and Using the New CAT comes in. This book guides even the most greenhorn astronomer past the pitfalls encountered on the path to enjoying the beauties and mysteries of the universe. Continue reading “Happy Holidays from Comet 46P/Wirtanen”. Moon and the (filtered!) In this case the 2x and 3x TeleVue units produced an image that was in the range of 90-95% as good as the prime view. Altair Astro sell the 'Starwave' 70 and 80mm, f/6, ED triplets that use FLP-53 as one element to give excellent colour correction with both having geared rack and pinion focusers.. William Optics provide the 'Gran Turismo 81 APO' which uses a triplet, f/5.9, objective employing a FPL-53 element and which again uses a rack an pinion focuser. Continue reading “Rodger W. Gordon’s Thoughts on the Tele Vue-85 and Questar 3.5″”. The Televue TV85 telescope is a superb travel scope, measuring only 21.5" (546mm) in length and weighing 8 lbs. The end ring is incorporated into the machined drawtube so there is no longer any way the payload can tilt at the end of the drawtube. at its worst in the direction of the Sun, so you need lots of images with fast The Astrophotography Manual, Second Edition is for photographers ready to move beyond standard SLR cameras and editing software to create beautiful images of nebulas, galaxies, clusters, and the stars. A side benefit is this reduces the chances of dew build up on the front of the lens when observing in humid conditions. A "blood moon" is the name given to a total lunar eclipse, due to its reddish color when in the Earth's shadow. In this guest blog post, we asked Mauri about his overall experience and how Tele Vue Optics contributes to the enjoyment of his hobby. The TeleVue NP-101is "imaging system" telescope includes a larger focuser and rear lens group to illuminate large CCD cameras fully. The scope I used was a Televue 85. Meade 10 inch LX200R In december 2007 I purchased this 10 inch (254mm) Meade LX200R (the tube only).

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