Building a small Astrophotography rig around the SAMYANG 135 - Start to Finish 

Just a backfocus update the spacing when using a Canon EF lens here is 44mm to sensor which is achieved using the adapter shown, 55mm is the standard when using focal reducers / flatteners on telescopes but not always. :)

What a great idea Ollie! Thank you for putting it together.

Great video Ollie, it’s good to see your setup from start to finish, that’s a fantastic wide field set there mate, lovely lens😀 I love those wide field images, excellent examples mate👍 Clear skies!

Excellent portable setup and run through. You've been capturing some superb widefield images with this setup. Particularly like the Blue Horsehead

Good stuff Ollie!! Great set of images, espically love the Blue Horsehead and Rho!! CS

Great video Ollie! Perfect for someone that's been thinking about setting something like this up. :)

A really superb setup Ollie, I can see why you keep coming back to it mate! :-)

awesome travel setup you have there Ollie 👍

I think that is my next astro purchase. A lens so I can pair with my 6200 would be even more epic!! Thanks for sharing the parts though, I was quite curious so this helps me! Clear skies Ollie.

Love my 135mm setup too! Just got back from a 3 week work trip to Southern Africa! Unfortunately the weather and timing prevented me from getting the LMC and SMC sad😢. But will keep at it next time I’m in the Southern Hemisphere. Until then, keep those images coming!

Very interesting video Ollie! And your photos are awesome....especially the shot with the Rho Oph region AND the Blue Horsehead Nebula! 👍👍 Also...Lovely background music! (I'm a jazz geek, so....👍) With that in mind, an idea: The next time you have a moonless evening with pristine skies, and you decide to do a video showing data acquisition with this wide-field set-up, perhaps you could play a bit of piano & serenade your followers with "Samyangchanted Evening" (by "Ollie & the Dew Band...in the style of Bill Evans, of course!)? 😉😁🤣

Nice setup Ollie now hopefully the weather gods will allow us to take some images, Hanging out to see your results

Samyang/Rokinon 135mm is an amazingly sharp lens. I've used the Astrodynium ring system and an EAF. Purchased a M42 base piece to replace the bayonet connector on the lens (Just three screws to remove!) and now everything is threaded - no more slop from the bayonet connector. Some real nice pictures there Ollie! I'm just gonna be that guy that says 44mm back focus, not 55, but we all knew what you meant!

I got my Askar FMA 135 out last night. First clear few hours out for over a month, so I really enjoyed it. 135mm is great focal length I think.

Subscribed UK :-) just got he 135 mm thanks for he video !

Nice one mate! Not sure about the smaller sensor camera as they are much more forgiving, but if pairing with something like the 2600MC it’s worth noting that it may need a small additional spacer if also using a filter (depending on thickness) to achieve the correct backspacing. (I had to add a .8mm spacer when paired with the l extreme)

Have you ever thought about using the HyperPod 135 mounting system for this lens? It lets you attach everything you want with a lot more stability. Check it out!

As an alternative to the ASIAir would be a Stellarmate powered system. Especially if not all gear is compatible with the ASIAir 👍🏻

Good video, I will be doing something similar with my 135/533 combo. A question though. You put an ir cut filter in, would you remove that if using an L-Pro or a duo narrowband filter? I didn’t know you could use two filters.

That's exactly the same lens I'm thinking to get one day (as many, I guess ;-) and also one of my projects for the future to combine a dedicated ZWO ASI cam and this lens. But so far I didn't know which adapter to use to connect the camera and the Samyang lens.- Is it enough to support the (quite heavy) lens? And one more question: How much is the weight of this configuration (without the mount and tripod)? Really interesting again Ollie and well made & explained video. Have a great time & clear skies mate.

Where exactly did you purchase that camera bracket? Need that ASAP. 🙂 Especially being able to mount accessories on it.

In addition to the ZWO filter drawer what thickness was the ring mounted to the camera? Cheers and thanks.

Great video! Question for you - If I'm using the Micro 4/3 version of this lens with a T2 to Micro 4/3 adapter for camera connection, can I still use the filter drawer? Will that break back focus?

I wonder if this set up would work on an AVX mount. Since the aperture is 82mm what are the pros and cons of using this system vs purchasing a 80mm refractor (SyBony 503 80mm F7 $369) other than the portability and cost. $400 USD for the 135mm lens, $70 for the Astrodymium ring system, $99 for the Nikon version ZWO filter drawer. Thanks

It's the first time I see a rig that does not support the lens at the front. Isn't the lens sagging as the night goes on? Those ZWO connector filter drawers are known for the "sag" they suffer. Have you measured the tilt in your sub with this setup?

Hi, what size is the Primaluce bracket. The only one I see in their site is 80mm and the camera is actually 78 Mm. Did you get the 80 mm and find it is a secure fit? Thanks

so the samyang 135 f2 only needs 44mm BF? as the filter draw is 26.5mm is it not?

nice what do you think about Askar 180 ?thx

Astronetics makes a lens mount option

Total cost?