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Orion Xt8 Lens Adapter
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K&F Concept Auto Focus Lens Mount Adapter EF/EF-S to EOS M Electronic Lens Adapter Compatible for Canon EF EF-S Mount Lens to EOS M Mount Cameras
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Related Product
Related Reviews
Take me away ...... a secret place .....
Theres no amount of praise that I can heap on the XT8 that will communicate my enthusiasm about this telescope. So rather than repeat all the adjectives that have already been used, I will focus my review on tips that people might find useful.First of all if you are like me and are considering XT8 vs XT6 - dude - buy the XT8 - I am sure the XT6 is great but the 8inch is the real thing, perfect mix of aperture and portability. That been said, do know what you are getting into - XT8 is substantial - no denying that - but its manageable. If I had gone with an XT10 - it would not have fit in my car - not easily anyway. The XT8 occupies the entire back seat of my Volkswagen Jetta(08). I am 5'6 and I can handle the XT8 but only as separate pieces, tube and stand. Together, its too cumbersome and heavy to move - also unsafe. The padded case is not all that satisfactory - but it is a must none the less. You get this telescope - you would want to take it to dark skies, the telescope begs it - and you are going to need that bag - so just get it right away. This is one of the accessories that can't wait.Assembly is good - I would suggest don't throw away the plastic coverings, that the telescope parts come with. You can use them to protect your telescope - for e.g. the correction tension springs are metal and can scratch the side of the telescope where they brush against, this wont harm the telescope's optic capability - but why marr it - so once you are done installing - use the bubble wrap plastic to cover them - so when they do brush against the telescope, theres a padding.When setting up the telescope, always take out the stand first and make sure its on as flat a ground as possible. Try tipping the stand, to find if any of the legs are rickety - all three legs of the base have to be at the same ground level - think of your typical old chair that goes tip top when you sit on it - the stand can't do that. Once you have this set up - then move put the telescope on - moving the telescope + stand risks the whole aseembly and its too much effort.The EZ Finder II is great. However, take out 20 minutes in the evening and try and get it aligned with your optics as best as you can - a hair width of error between that red dot and the center of your mirror - won't matter much when you want to see Saturn - but once you start DSO hunting - and you will - that error can mean the difference between hitting that nebula or galaxy and missing the field all together.Know when to stop adjusting the focusser. There is always that urge that may be if I tweak this a bit more I'll get a sharper image. You'll keep adjusting forever. How sharp an image you see on the eye piece also largely depends on the seeing conditions at that place. So don't get mad at the telescope for what is not its fault. Get the focus as best as you can - and be patient in your observation. TAKE YOUR TIME - the celestial objects - or their light rather - will be there tomorrow and the night after and after .. TAKE YOUR TIME - if you track an object or a start or that galaxy for long enough - you will eventually get micro windows when the seeing perfects - and the view will astound you.Lastly, please take care of the telescope - its a baby! Extremely beautiful - capable and adorable - give it a good home and be a good student.
30/10/2022
Works exactly as expected
I use this to connect my Canon T3i to an Orion 5308 2-inch telescope adapter. Works perfectly for my application.
10/08/2022
Upgrade finder scope
Finder scope is junk. Everything else so far is primo. Suggest Orion include a better finder scope with the XT8 classic.
31/05/2022
Much needed QoL
There’s not much you can say about the adapter. I mean it works so what else would you expect? Well, it is well constructed and makes a nice click when installing your lens. I read some of the reviews on the cheaper alternatives and saw reviews mentioning the product feels cheap and how the lens are not firmly and securely attached. I rather not risk it but others have without issues. If you’re on a budget, do look at the cheaper alternative. If you can afford it then this is the one you want.
05/05/2022
Adapter works fine
The adapter is good, delivery was also very fast, i got it just in 1 day.. But if you really wanna use EF or EF-S lens in mirrorless cameras, you have to keep in mind that the sharpness will decrease by a little amount and you you have to focus the subject very correctly, otherwise the picture will become blurry(specially for the prime lens)..
04/05/2022
Excellent lens, quality build.
I am using this lens for Canon M50 Camera. You will need EOS adapter. I have attached 3 photos taken with this lens.
08/01/2022
The scope all new astronomers should start with!
Like most reading this review, I spent a good deal of time researching and reading about telescopes before ultimately deciding to purchase the XT8. Along with the telescope itself, I also purchased a 2x shorty barlow and 10mm and 7.5mm Sirius Plössl eyepieces - giving me a wide array of magnifications from 48x to 320x.I received my telescope and immediately began the assembly and collimation and finder alignment procedures. Assembly took about 30 minutes; I had watched the videos online prior and had the instructions handy. I didn't need to spend much time collimating out of the box, the factory alignment was mostly spared in shipping and I only had to perform some minor adjustments to the primary mirror.Aligning the finderscope was more of a challenge, however. I note that most people who "dock a point" on this telescope do so due to the finderscope. This is accurate, since I couldn't get the finderscope aligned far enough to the left to offset the pressure of the set screw in the bracket. However, I applied several thin layers of vinyl electrical tape to "shim" the rear left side of the bracket, so it would push the finder even more left when it was mounted. After that I was able to get a perfect alignment through the finder, with room to spare in any direction for any needed adjustments in the future.I am graduating to the XT8 from a 60x440mm Bushnell refractor, the best views from which can show the rings of Saturn and shadows in craters on the moon, but little else. Looking through the XT8 at these same objects is so much more revealing, I can't find an appropriate analogy that would be accurate. Looking at the moon used to be an "Oh, that's cool" experience. Now it's "Ohhhhh WOW.... look at that!".To look up at the skies and see and track objects in the eyepiece that you can't even see with your naked eye is very humbling. The XT8 does this amazingly well, even without a motorized equatorial mount. Because the telescope tube is so long, the slightest changes in position can be achieved easily and accurately with firm but gentle pressure at the eyepiece end.Moving the telescope from location to location can be a bit cumbersome - not solely due to the weight, but a combination of both size and weight. Getting the scope off the ground and into your hand via the handle is the tricky part and requires a bit of finesse, but once you've got it in hand it's relatively easy to walk with. This scope is about the biggest I feel I could comfortably handle (I'm over 6' tall). The 10" I think would be a little much.In my location, there is a decent amount of light pollution and I have yet to observe on a dark, moonless night with good seeing. However, that hasn't prevented me from being able to find deep sky objects or from seeing details in the planets. I can clearly see at least 4 distinct color bands on Jupiter and the 4 Galilean moons, 4 of Saturn's moons and the shadow cast onto the planet by its rings. Poor seeing and a low altitude prevented me from seeing the Cassini division, however. I have also been able to locate various nebulae (the ring and dumbbell nebulae for example), many star clusters (M11, the wild duck cluster is my favorite so far), and of course galaxies such as Andromeda. The most useful eyepieces in my opinion (in the poor conditions I've had to endure) have been the 25mm and the 10mm in combination with the barlow. 320x has only really been possible on the moon at dusk - the only time I can look at it without a filter. If you plan on looking at the moon at night however, a filter is a must. I neglected to purchase one initially and can't bear to look at it under any power; it hurts my eyes too much.As I said, I live in an area with a good degree of light pollution (near Cleveland) and have only observed on nights with at least 3/4 moon and below average seeing conditions. Even so, this scope has impressed me with spectacular views. I'm eager for a good night to take it to a darker location; I'm confident it will impress me even more. This is the scope every budding astronomer should learn to scan the skies with; not a cheap department store excuse of a telescope. Bravo, Orion!
29/12/2021
Great Beginning to Intermediate Telescope!
The Orion XT8 Classic is a great telescope at a wonderful price for new telescope users or those upgrading from a small, very inexpensive telescope to something more capable.Setup: The XT8 sets up easily and the instructions provided by Orion are not difficult to follow. Basically, you are assembling the Dobsonian base, which isn't hard to do. If you can bake a cake using a recipe from a book, this won't be hard. :-) The tools provided are all that are necessary to do so, but a power drill with a screwdriver and hex bit make quicker work of the assembly.Collimating: You most likely will need to collimate your scope, since the primary and secondary mirrors were likely pushed out of alignment during shipping. The instructions provided are all you need to do this along with the collimation cap. A laser collimator (optional equipment) is even better, but not needed for most folks. Take your time collimating by moving one screw on the primary or secondary mirror at a time and observing the results and you shouldn't have any problems. Moving more than one screw at a time can make your work harder, as it can become difficult to isolate which screw and mirror you need to adjust. Again, if you can follow written directions well, this shouldn't be hard. :-)Finding Things to See: If you have a decent knowledge of the sky, a no-frills reflector Dobsonian (like the XT8) is great for you. If you need a bit of help finding things to see, consider getting an electronic aid to find the objects you want to see. A lot of great applications for smart phones or tablet PCs allow you to do this by simply holding your phone/tablet to the sky and revealing the names of stars, objects, and constellations. I use Star Walk (among others) on my iPhone and iPad for this with great ease. If you want to find things very, very easily, then consider upgrading to an intelliscope or go-to scope, which does the work for you for a bit more money. The Dobsonian base can be a little tricky to maneuver to find what you want to see at first, but with a little practice you'll get the hang of it.Eyepieces: The XT8 comes with a 25 mm Plössl lens, which is a decent lens that gives you 48-power magnification with this scope. This okay, but you'll definitely want other eyepieces since there are better ones out there. Strongly consider getting 2-3 eyepieces (in the 10-32 mm range) and a 2-3 power Barlow lens, which would give you a set of power options for viewing. I'm using Tele Vue eyepieces and Barlows, which are a little higher quality than most of Orion's offerings, but if you're new to the hobby you'll likely have fun and not notice much difference with sub-$100 eyepieces and Barlows from most companies. :-)Overall: This is a great buy from Orion, giving you a scope that pulls down a lot of light at a modest price. I would definitely recommend this to those interested in getting into the hobby. :-)
15/08/2021
Related Faq
Q
I have a rf camera m2 and some nikon ai lens. if i use this adapter to connect both, can we see the focus frame “overlap” in the viewfinder?
A
Dear Customer,
this adapter isn't suitable for your lens and camera.
Q
Does the autofocus work with the Nikon lens on the Canon camera?
A
This adapter is non-electronic and so will not enable electronic communication between lens and camera, so no autofocus.
Q
I have a nikon d3100 camera and need an adapter to fit a minolta 75-300 lens. does this adapter do that are can you direct me to one that would?
A
K&F have a list of which adapter will work for each lens to camera combination they support
Q
Too loose/there is gap between lens and adapter ring
A
- If there is ever any more than a slight amount of rotational play, you may want to try tightening the lens mount adapter so it will hold the lens tighter to the mount. There are 3 flanges in the middle of the adapter (what the lens locks onto) that are split open slightly, this gap is what gives the tension that holds the lens tight to the body. Over time and with use these gaps decrease in size, no longer pulling the lens tight to the adapter, which allows the lens to move inside the mount more than it should.
- To tighten the fit, get a slim metal object (a #1.5 or #2.0 small flat eyeglass screwdriver is ideal) and insert it into the slit to open it up just a little bit (see images below, make sure to do it to all 3 evenly). The more you open the gap, the tighter the lens will be to the adapter; too much and the lens will have a hard time mounting so make sure to do it just a little bit at a time to all 3 flanges evenly, it doesn’t take much at all to get a tight fit.Note: please do not use too much strength, or the shrapnel will be damaged.
Q
Why camera indicated “lens is not properly installed”?
A
If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the "release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.Following are some examples:
-
MFT（M4/3 mount camera）'Lens Not Found' - Warning Message Appears
For Panasonic Lumix:
The camera needs to be set to function without a MFT-Mount lens attached. You can do this by changing the following camera setting:
'Menu' -> 'Custom Menu 5' -> 'Shoot W/O Lens' -> 'On'
(Exact naming and location of this option may change depending on camera model)
-
Fujifilm X mount camera, The camera needs to be set to function without a GFX-Mount lens attached. You can do this by changing the following camera setting:
'MENU' -> 'SETUP' -> 'BUTTON/DIAL SETTING' -> 'SHOOT WITHOUT LENS' -> 'ON' (Exact naming and location of this option may change depending on camera model) Choose ON to enable the shutter release when no lens is attached.
-
Sony E mount camera, 'No Lens Attached' - Warning Message Appears
The camera needs to be set to function without a E-Mount lens attached. You can do this by changing the following camera setting:'Menu' -> 'Setup' -> 'Release w/o Lens' -> 'Enable'
(Exact naming and location of this option may change depending on camera model)
-
Nikon 1-Series mirrorless camera , 'Check lens. Pictures can only be taken when a lens is attached' - Warning Message Appears
With a Nikon 1-Series camera (such as the J2), you will need to make sure the camera is in 'Manual' exposure or shooting mode and the focus selection is also set to manual. When in any other mode the camera tries to take control of the lens which is not possible as the adapter does not have any contact with the camera circuitry, so you get the lens check warning as the camera does not think there is a lens attached.
-
'EOS M mirrorless camera ,'No Lens Attached' - Warning Message Appears
The camera needs to be set to function without a EF-M Mount lens attached. You can do this by changing the following camera setting:
'Menu' -> 'Custom Menu' -> 'Custom Function 7' -> Select 'Release shutter w/o lens'
(Exact naming and location of this option may change depending on camera model)
-
Konica Minolta:
For Konica Minolta and "No Lens Attached"
Custom Menu 3
First item "Shutter Lock"
Set it to "Off: no lens"
(Depending on camera model "Shutter Lock" May be in different menu location)
-
'Samsung NX 'No lens.' - Warning Message Appears
The adapter is designed to trigger a sensor inside the camera body itself so no setting needs to be changed. If the error message is coming up with one of our adapters attached, then it is possible that the adapter is not hitting that sensor the way that it should. Usually rotating the adapter slightly in the mount, or un-mounting and remounting the adapter clears the problem with no further action needed. If that doesn't solve the problem, then the best course of action would be to swap out the adapter you have with a replacement.
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