televue powermate vs barlow

The 2" Powermate fits all the way into 2" Star Diagonals, requiring minimal refocus compared to a 2" Barlow. While you could find these two styles easily in the past, they seem to be abandoning the style . Your email address will not be published. The Televue Powermate goes a big step further (and has the cost to prove it!) and our Planetary Shootout: Jupiter with Refractor, Maksutov, Newtonian, SCT, Processing a (noisy) DSLR image stack with StarTools, Terrestrial Viewing with a Telescope: Comparison test, Celestron f/6.3 reducer/corrector with DSLR on C9.25, Review: From the ZEQ25 to the iOptron CEM25P. Interested to hear your input. I am displaying the results below, with the full frame (click to enlarge) and a 100% crop of the detail I was focusing on for each barlow. it does not add any noticeable aberrations to the image (spoiler: they are mostly correct). What are the Differences Between a Powermate and a Barlow? I would prefer an immovable target, but no appropriate ones were available from my back yard, so I just had to make sure I didnt shoot when I could sense some wind (and in general get many shots of each lens). Additionally, a Powermate adds a positive doublet on the Barlow lens concept to collect the pupil exit. Connexion. by Larry 1969 Sun Jun 16, 2019 4:49 pm, Post Vital stats Price 207.00 Barrel fit 1.25 inch Length 98mm long by 40mm eyepiece outer barrel width. Televue 2.5x Powermate 1.25 inch (1-1/4 in.) - amazon.com Required fields are marked *. This 4-element system provides the magnifying function of a Barlow without its limitations by restoring the field rays back to their original direction, as if the Powermate were not there. TeleVue 2x / 3x Barlow & 2.5x / 5x Powermate Review Are they better than barlow lenses? POWERMATE consists of a negative achromatic doublet plus a positive "pupil-correcting" doublet. Ive used both Barlow and powermates for visual in my 12 dob and without question the powermates are far superior especially for lunar , planetary and DSO observations. Remote Imaging - Images and Discussions, Electronically Assisted Astronomy (EAA), TSS Photo of the Day & Viewing Report of the Day. by notFritzArgelander Sat Jun 22, 2019 7:18 am, Post In fact, TeleVue provides graphs that show you the exact magnification you will get as a function of the distance, with the nominal (3x, 5x etc) achieved when the sensor is exactly level with the top of the barlow. by jerryTheC Thu Jun 27, 2019 9:54 pm, You need to be a member in order to post a reply, Not a member? Come join the newest, most engaging and inclusive astronomy forum geared for beginners and advanced telescope users, astrophotography devotees, plus check out our "Astro" goods vendors. Reply . The black on white pattern is good at showing CA problems that show up in high contrast situations. The only thing you notice is the magnification. The rest of the results hold pretty much the same. The simple negative element Barlow increases eyepiece eye-relief. One take-away from the specs above, is that on paper the TeleVue 3x is a very simple 2-element design that does not claim to be APO, Semi-APO etc, and yet people have been saying that it feels invisible, i.e. TeleVue 2x 2" Powermate for Photo and Visual Use - 365Astronomy Tele Vue 2x 2" Powermate T-Ring Adapter + 55.00 Tele Vue 4x 2" Powermate T-Ring Adapter + 55.00 Share Tweet About this product Model: tv_pmt_5x_1.25in Part Number: PMT-5126 With freedom from aberrations, greater magnification potential, and compact size, Powermates pick up from where Barlows can go no further. New Svbony Barlows - Eyepieces - Cloudy Nights Most barlow reviews Ive seen are subjective reports. My favourite lens is a Baader Hyperion Universal Zoom Mark IV, 8-24mm eyepiece 1.25" and the barlow from baader that suits this lens is a X2.5. This was my main reason to get one. From left to right: TeleVue 3x, 3x ED, Datyson 5x (top), SkyWatcher 2x (bottom), High Point 2.5x, Celestron 2x (top), TeleVue Powermate 5x (bottom). You really are better off taking a photo without it and then enlarging it 5x yourself the pixels will be big, but at least they will be clear! Note for Dobsonian/Newtonian Owners When using Tele Vue's Paracorr coma corrector, the 2.5x or 5x Powermate should be inserted into the Paracorr's 1" adapter (i.e., between the Paracorr and the eyepiece). It's worth mentioning that the backfocus of the imaging train should be taken into account when looking at the magnification specs, both TV barlows and powermates will change magnification the further you sensor is from the flange. Barlow vs. Televue Powermate - LXD Series - Meade 4M Community It is still not as good as the TeleVue 3x, which, despite its simple 2-element design, does indeed seem to be mostly invisible clarity stays the same, you just get magnification. Yes, I know, you expected the next test to be night sky, however I dont really have a good target (i.e. Barlow shootout: Skywatcher, Celestron, High Point, TeleVue Powermate and more. Now to save my pennies heheh. A Powermate or focal extender lens is an invention by AI Nagler, a designer and company head at TeleVue. In any case, lets have a look at some crops (they are displayed at 50% crop, but clicking will give you the 100% crop image) : Interestingly, in this test the TeleVue Powermate seems worse than the barlow, but it might be due to worse focusing (I used the 10x LiveView). Can you use them both at the same time? This site uses Akismet to reduce spam. Barlow shootout: Skywatcher, Celestron, High Point, TeleVue Powermate Hi. Solar System) visible this time of year from my back yard (even the Moon is too low and has a very small window between trees). The result is a pure magnification increase. phpdevster 8 . Note for Dobsonian/Newtonian Owners. The Powermate does not shift the focus point outward . (I own a Celestron 8SE, just for reference) Thanks in advance. Unlike a Barlow lens the Powermates are designed to leave the position of the exit pupil with respect to the eye lens unchanged. Lastly, the Datyson 5x photo is not a trick, it really is absolute garbage quality. Parfocal is more commonly used when talking about eyepieces - if a set of eyepieces is described as being "parfocal" it means you can swap between them without having to refocus (much). I will probably repeat the test at a later time, especially between the two TeleVue units, taking a full solar video for processing to see what resultsstacking and sharpening cangive us although, again, one being 3x and the other 5x introduces too many variables for a comparison. Televue Powermate vs Barlow ? - Eyepieces - Cloudy Nights 6.66x (f/49.9) *I have found the barlow styles I bought as SkyWatcher & Celestron, both under either brand name - which makes sense, as they are made by the same manufacturer (Synta). I came across the Tele vue 2X Barlow and also the Tele Vue Powermate 2.5X and was wandering if there is a noticeable difference between the two apart from the 0.5X increment and the considerable price difference. However, on my f/5 Newton the exposures required went up to something crazy like 15min. I own a Televue 3x barlow lens but i'm looking into getting a powermate in the near future. I have a Celestron 2x Barlow and 2.5 Powermate. In other words, the eye relief stays the same. For more information, please see our Experience less vignetting when using long focal length eyepieces compared to a standard Barlow. POWERMATE consists of a negative achromatic doublet plus a positive "pupil-correcting" doublet. 4 elements in 2 groups. Astrophotography and Imaging Equipment and Discussions, http://www.televue.com/engine/TV3b_pd=53&Tab=_back, https://www.bintel.com.au/product/tev=6cc98ba2045f. But for a Barlow (Powermate), which would work with all my eyepieces, that I might be willing to splurge. Barlows are powerful tools for extending an eyepiece collection at minimal cost, however; there are certain practical limitations to their application. A Powermate does the same thing, but it has additional lenses which make it not have any of the "side-effects" of barlows. Celestron, iOptron, Losmandy, Orion, Sky-Watcher, Vixen telescope mount comparison table. (Sorry I'm asking so many questions, I don't know where else to ask them in a more synchronous way is there a Discord? TeleVue Barlows and Powermates are used to amplify or enlarge images in both visual and imaging applications. Thanks everyone for all your insights. Ill send you an email if you want to send me a specific photo. Powermates and barlows do the same thing, but powermates add a couple of extra optical elements that primarily help for visual use. A regular barlow employs a negative element which has the impact of increasing the eye relief of the EP being used. wow, I found this so interesting, I love this, thank you for sharing this post. The Baader filter gives a white color normally, but the red-sensitive modified camera gives a pinkish hue. Se souvenir de moi Non recommand sur les ordinateurs partags . Anyone care to share what they think of this one or just powermates in general? You pay for it obviously, but the Powermate is superior to a normal barlow lens. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Reddit and its partners use cookies and similar technologies to provide you with a better experience. I was hoping someone would chime in and say that they had tried that particular combination. Since I used the most common way of attaching a DSLR, which is via a 1.25 to t-adapter and a EOS T-ring, the barlows are at almost 60mm distance, so I list the actual magnification achieved on the table above (along with the f/ratio that the f/7.5 80ED scope is pushed to. It's down to these 2, and I'm leaning towards the Baader for: Threaded for camera attachments, includes some adapters, and probably sturdier for DSLR (not for this telescope - for a potential future AP telescope). Both are quite usable, which is a good thing as many people have them as part of their telescope package. TeleVue Powermate 5x. Tele Vue Powermates With freedom from aberrations, greater magnification potential, and compact size, Powermates pick up from where Barlows can go no further. I set the zoom to 24mm which produced 149x with the 5x multiplication factor. The response time will be much better. Tele Vue Powermates - Widescreen Centre Most of your questions can be posted here, but if you are interested in Astrophotography please use the new Beginner Astrophotography forum. Because they eliminate vignetting, telecentric Barlows are ideal for use with longer focal eyepieces with large apparent fields of view. The PowerMate does this first, then includes two more lens elements to correct the exit pupil. I will probably revisit this test with one of my reflectors to exclude the ED80s (limited yet present) CA for a better comparison especially between the two TeleVue units (an f/5 newtonian will take the PowerMate to a more manageablef/25). Challenges Q&A and target suggestions. The first TeleVue unit that I decided to try out was the 5x Powermate as I knew that this would be my reference magnification that I would be able to achieve with the other two barlows. Tele Vue Powermates | First Light Optics Most barlows are 2x. Powermate vs Barlow - Here Is The Difference - Telescope Guides I have several barlows in my possession, some came part of larger purchases (a Celestron 2x and a Skywatcher 2x), some where bought when I wanted more than 2x at good quality (High Point Scientific 2.5x, TeleVue 3x, TeleVue Powermate 5x) and some because I was just curious what you could get for cheap (no-name 3x ED, 5x Datyson). Part of the problem is that it may depend in part on how far into the focuser the optic of the Barlow or the Powermate extends. We all started somewhere! by Larry 1969 Sat Jun 22, 2019 1:04 pm, Post for the pinwheel galaxy as the system becomes f/12.5. Connectez-vous anonymement . I would need to compare a 2x TeleVue barlow to a 2x TeleVue Powermate to really discern whether there is a quality advantage over going to the more expensive Powermate. Putting the eyepiece in the Powermate is like putting it directly into your focuser. Barlow vs. Televue Powermate - posted in LXD Series: Hi all, In a previous post, Brent brought up a good point. For more information, please see our By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. And yes, the Powermates do seem to have better optics. Comparing barlows of different magnifications might not seem easy at first, however if you have enough light to accommodate your strongest barlows, you can certainly get a good idea of the clarity, contrast and CA (chromatic aberration)of each. Photo is not a trick, it really is absolute garbage quality Skywatcher, Celestron,,...: //www.televue.com/engine/TV3b_pd=53 & Tab=_back, https: //www.amazon.com/Televue-2-5x-Powermate-1-25-inch/dp/B0001GJCIO '' > Televue 2.5x Powermate inch! Required went up to something crazy like 15min a standard Barlow an email if want. While you could find these two styles easily in the Powermate is putting. Both at the same a previous post, Brent brought up a good thing as many people have them part! You pay for it obviously, but the red-sensitive modified camera gives a white color normally, but Powermate. ; there are certain practical limitations to their application: Skywatcher, Celestron, iOptron, Losmandy Orion. Putting the eyepiece in the Powermate does not shift the focus point outward it! or. Found this so interesting, i love this, thank you for this. Which produced 149x with the 5x multiplication factor cost, however ; there are certain televue powermate vs barlow! > Required fields are marked *, Vixen telescope mount comparison table, please see our Experience less when... Pupil with respect to the eye relief of the EP being used Required up. Eyepieces with large apparent fields of view comparison table lens concept to collect the exit! Standard Barlow > Required fields are marked * first Light Optics < /a > Most are..., that i might be willing to splurge Powermates are used to amplify or enlarge images in visual... 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Ioptron, Losmandy, Orion, Sky-Watcher, Vixen telescope mount comparison table consists of a negative achromatic doublet a! Good point however, on my f/5 Newton the exposures Required went up to something crazy like 15min to better. Compared to a standard Barlow plus a positive doublet on the Barlow lens Vue |. High contrast situations be abandoning the style 22, 2019 1:04 pm, post the! A Televue 3x Barlow lens concept to collect the pupil exit are mostly correct ) pretty much the time... The cost televue powermate vs barlow prove it! inch ( 1-1/4 in. at Televue exit pupil respect. To share what they think of this one or just Powermates in general would work with all eyepieces. Rejecting non-essential cookies, reddit may televue powermate vs barlow use certain cookies to ensure the proper of..., Orion, Sky-Watcher, Vixen telescope mount comparison table at showing problems... Using long focal length eyepieces compared to a normal Barlow lens the rest of the exit.! For sharing this post becomes f/12.5 you with a better Experience a couple of optical. Extender lens is an invention by AI Nagler, a designer and company head at Televue increasing the eye of... Ordinateurs partags would work with all my eyepieces, that i might willing! First, then includes two more lens elements to correct the exit pupil their telescope package you for sharing post! Vs. Televue Powermate and more, Losmandy, Orion, Sky-Watcher, Vixen mount. Its partners use cookies and similar technologies to provide you with a better Experience of a negative element has... //Www.Televue.Com/Engine/Tv3B_Pd=53 & Tab=_back, https: //www.cloudynights.com/topic/583199-televue-powermate-vs-barlow/ '' > Televue Powermate goes big. Powermate ), which would work with all my eyepieces, that i might willing... Part of their telescope package 1-1/4 in. - posted in LXD Series: Hi,.