If you want the best *Barlow* evermade...than pick up this Televue 2 inch 4X Powermate! In addition to full multi-coating, POWERMATE includes other Tele Vue special touches such as a safety undercut on the chrome barrell, and captive lock screws that can't fall out. A high quality Barlow must be properly designed and manufactured in order to avoid compromising a telescope's color and spherical aberration corrections. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Don't forget to buy the adapter if you want to attach a camera. The Powermate™ consists of a negative doublet plus a positive "pupil-correcting" doublet. Your question might be answered by sellers, manufacturers, or customers who bought this product. Please call us for appointment. Very tricky to adjust the depths but managed to focus on visible Planets. TeleVue 2x Powermate - 2" with 1.25" Adapter. Prime Carrito. In fact, it was just as dark as a standard 4x Barlow. The Powermate™ is NOT a Barlow so the Panoptic-Barlow Interface is not needed! Description. The Powermate is threaded for 48mm filters and its performance is excellent with many 1.25" and 2" eyepieces. In short to medium focal length eyepieces the change is not noticeable. TeleVue 2x 2 inch Powermate is a compact, high power, fully corrected image amplifier providing a 2x amplification in a 2-inch format. While barlow lenses increase the eye relief of the eyepiece in use, they also reposition the exit pupil of long focal length eyepieces far from the designer's intended position. Compra online TeleVue pmt-4201 2 (4 x Powermate con 1, 25 Adaptador de ocular. Saltar al contenido principal.com.mx. A useful accessory to add is a Barlow lens, which increases the focal length of the eyepiece depending upon the power of the Barlow, such as a 2x Barlow effectively doubling your range of magnifications. TeleVue.com: Imaging Accessories > Powermates > Specifications: Specifications. TeleVue Powermate goes beyond the Barlow concept to achieve the goal of a compact, high power, fully corrected image amplifier. Aprovecha esta calidad en la astrofotografía. This is ideal for Hydrogen-alpha filter use such as with Daystar models. Reviewed in the United States on July 8, 2018. Las mejores ofertas para Tele Vue 2" 2x Powermate con Adaptador PMT-2200 Excelente condición de menta están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis! First, they amplify power while retaining the eyepiece's eye-relief. Prime. TeleVue Powermate 2 x 2 ": Amazon.es: Electrónica. High performance for image amplification, CCD or film (some of the finest Earth-based planetary imaging is being done with Powermates). Thanks, Terence, for laying the myth of the degrading Barlow to rest. Terence Dickenson, in his Barlow test report in Sky and Telescope, July 1997, says: "Technology has erased the old objections. SKU: TLV-PMT-4201 . 23% Off: Tele Vue 2x Powermate, 2" Image Amplifier MFR: PMT-2200. For friendly advice, please call 020 33 845187 or 08455 275813 or email [email protected] Call or txt Zoltan if urgent: 079 1278 4737 Casual visitors are welcome. When using Tele Vue's Paracorr coma corrector, the 2.5x or 5x Powermate™ should be inserted into the Paracorr's 1¼" adapter (i.e., between the Paracorr and the eyepiece). Unable to add item to List. There was a problem completing your request. Barlow or Extender Barrel Size: 2" Barlow or Extender by Magnification: 4X; Number of Elements: 4; Free shipping . With freedom from aberrations, greater magnification potential, and compact size, Powermates pick up from where Barlows can go no further. Televues are a work of art. To understand the Powermate™, we must first understand the Barlow lens. La Powermate TeleVue es el perfeccionamiento de las tradicionales lentes de Barlow. Eyepiece Type: Barlow Barlows amplify the power of a telescope. We had to go beyond the Barlow concept to achieve the goal of a compact, high power, fully corrected image amplifier. Vignetting, edge field aberrations and pupil movement - all introduced when using Barlows with long focal length eyepieces, are minimized. https://www.televue.com/engine/TV3b_page.asp?id=53&Tab=_spec For 2x and 4x 2" Powermates™, first insert the Powermate™ into the focuser, … Compra online TeleVue Powermate 4.0 x 2 ". Electrónicos Hola, Identifícate. Prueba. Essentially Parfocal, and with nearly constant magnification regardless of image distance behind top surface (except 5x model which increases 1x for every 35mm of image distance increase). Tele Vue 2.0 x 5,1 cm PowerMate pmt-2200 Demo unidad: Amazon.com.mx: Electrónicos. No additional "interface lens" is needed, since POWERMATES have it built-in. Vignetting can occur due to the altered ray path, when the eyepiece's lenses are not large enough in diameter to allow all the rays to make it through. Con cuatro lentes integradas, Powermate suministra representaciones extraordinarias y contraste excelente.Contiene dos combinaciones de dos … Televue PMT2200 2x Powermate 2 inch: Amazon.com.mx: Electrónicos. This is a big boy! While barlow lenses increase the eye relief of the eyepiece in use, they also reposition the exit pupil of long focal length eyepieces far from the designer's intended position. It also analyzes reviews to verify trustworthiness. There's a problem loading this menu right now. Saltar al contenido principal.com.mx. Tele Vue 4X Powermate - 2" - PMT-4201. Tele Vue Powermates With freedom from aberrations, greater magnification potential, and compact size, Powermates pick up from where Barlows can go no further. Starboosa Variable Extension Telescope Camera Adapter - for Canon SLR Cameras Conne... MEOPTEX 1.25" 2X Barlow Lens-2 Elements,w/M42 & Filter Thread,FMC. It's in the materials we choose, the designs we create, the craftsmanship we demonstrate...the images we deliver. $360.00 $ 360. Please make sure that you are posting in the form of a question. Televue PMT-4201 2 inch 4x Powermate with 1.25-Inch Eyepiece Adapter 13. Contact us. Flexible for visual and imaging with all types of telescopes and eyepieces. Envío en 1 día GRATIS con Amazon Prime. Great for looking at planets with 2 inch low power eyepieces. ... TeleVue PMT-2200 T-ring adapter. Yikko Full Metal 0.965'' to 1.25'' Telescope Eyepiece Adapter (24.5mm to 31.7mm) - ... Alstar 1.25" Astrophotography Flip Mirror with Eyepiece Adapter - The flip Mirror f... Astromania 1.25" Multiple 5-Position Filter Wheel for Telescope, Astromania M42X0.75 Female to SCT Male Thread (2", 24 TPI) Telescope Adapter. Find answers in product info, Q&As, reviews. Omegon Newton adjusting laser 1,25'' (inspection window) (6) $ 59.00. However, in the case of long focal length eyepieces, the increase can be significant and not without performance consequences. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Him and 4 of his moons orbiting him. Reviewed in the United States on March 29, 2018. The result is a pure magnification increase. Quite a sight that I'll remember for a long time to come. 5.0 out of 5 stars Televue is the best Reviewed in the United States on January 3, 2007 If you want the best in optics try Televue, this Powermate is excellent but this works well in telescopes with short Focal Length, (<400mm) because if you use a lot of power the image is not clear, the best choice to view is 25x per inch of aperture of the telescope. Powermate (size/weight-lbs) 2x Powermates™ 2" w/1¼" adapter / 1.20 While it looks and functions like a Barlow, your eyepiece will operate with pupil locations where the designer intended, avoiding mismatch problems. Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. Televue PMT-4201 2 inch 4x Powermate with 1.25-Inch Eyepiece Adapter. Make sure this fits by entering your model number. Dobsonian/Newtonian owners using Tele Vue's Paracorr coma corrector should place the 2.5x or 5x POWERMATE (or Tele Vue 2x or 3x 1-1/4" Barlows) into the Paracorr's 1-1/4" adapter (i.e., between the Para.

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