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Archive 2011 · Finally a Fuji X100 wide angle solution that works

  
 
millsart
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p.1 #1 · Finally a Fuji X100 wide angle solution that works


Like many X100 owners, I really enjoy the camera, and also find the 35mm equiv focal length to be about ideal for my general photographic needs, or at least the type of shooting I do with a camera like the X100.

Still though, there are times where I'd wish for something a bit wider, ideally around 21-24mm, which is probably my second favorite general focal length.

I've bought a number of ultra wide conversion lens and have been doing a bit of experimenting, Nikon WC68, Panasonic LWA52 and the Sony ultra wide adapter for the NEX. There are a number of others out there but I highly doubted some of the cheap ones were worth my time. I mean come on, is a $20 .45x ultra wide/macro lens really going to have decent optics for the money ?

I figured the ones I got were the best of whats out there and got some adapters and set to trying them out. At first, results were acceptable, though pretty soft in the corners and frankly just not worth it. Then I got an idea, that perhaps my results were poor because these adapters, such as how they work on my LX5, required the back element of the adapter to be very close to the front of the lens. So I took off the Fuji adapter ring and started trying a shaved down 49/52mm step down ring as it would still give me the 49mm thread I need. Didn't really help matters, seemed that the combinations just weren't going to work.

I even went as far as taking apart the NEX adapter and removing some of its internal shims and spacers so that I could put a step up ring into it that would directly allow it to mount to the fuji threads. Looked pretty cool too as well with the brushed metal outer sleeve. Interesting how its really all plastic inside and that sleeve is just for show, but thats another story.

It worked pretty well, sharp in the center, and actually sharp edges too, but weird curvature of field and other focal issues. I could get sharp corners but not on the same place as what was in the center of the frame.

Thought that was my best hope going forward and it still wasn't really working so I was going to just write off any conversion lenses and accept the X100 as a 35mm equiv only until I got one last idea

I had a few 49mm cheap UV filters that came with various purchases I made such as len hoods etc. $1 filter is next to worthless optically but hmmm, what about moving the adapter further away ??

I was thinking closer was better, and the stock adapter ring. step ring and conversion lens wasn't great so further couldn't help things but why not give it a try.

Well I did and bingo, it actually works, and works pretty well if I do say so myself at this point.

Very good sharpness center of frame that continues up to the extreme edges and no focus issues. Do have to stop down to about f5.6 for improved results but honestly the edges are on par with some DSLR lenses I've owned, and honestly better than the NEX16mm lol and again, we are taking about pretty cheap adapters here, the Nikon only cost me $50

With the .68x Nikon I can get 23.5mm equiv and the Panny is .75x so its only 26.25. Panny might be a little better optically but they are very close. It also cost 3x what I paid for the Nikon and if your going to bother with this in the first place, I'd think getting as wide as possible would be the way to go, especially if you crop out the outer 5% or so. Its not like you'd really carry a 35mm and 28mm at the same time, or at least I wouldn't as they are pretty close. 24 and 35 though yes

I'm still experimenting a little bit with some different thicknesses of step up rings trying to find the best results but so far I'm quite pleased and being able to have a 24mm equiv X100, and for only $50 plus a few adapter rings I had laying around is pretty cool.

I'll post some 100% crops when I get home later tonight as I know the proof is in the pudding so to speak, but I can say that so far the results I'm getting are better than anything else I've seen posted on the web using these adapters.

Cheers



Dec 14, 2011 at 03:00 PM
millsart
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p.1 #2 · Finally a Fuji X100 wide angle solution that works


Ordered a couple of Raynox .66x converters today as well, wondering if there is going to be any difference in corner performance with a 49mm vs 52mm rear element size so ordered both. They would be nice if they work equally well in that they are not only wider, but also have a 72mm front thread so I could still use filters, which the Nikon and Panasonic conversion lenses don't allow due to bulbous front element.

I suppose that one could perhaps put a filter between the conversion lens and camera threads, though that added distance could totally throw off the performance, not to mention I don't think a circular polarizer would really want 7oz hanging off its front threads



Dec 14, 2011 at 03:28 PM
Tariq Gibran
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p.1 #3 · Finally a Fuji X100 wide angle solution that works


Sounds great. I would love to also see a picture of the x100 with the lens adapter + filter rings attached just to get an idea of the size of the thing. I guess with the 72mm one you ordered, ti's going to be pretty big.


Dec 14, 2011 at 03:30 PM
rsrsrs
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p.1 #4 · Finally a Fuji X100 wide angle solution that works


hi,
great to hear that im not alone with my thinking
https://www.fredmiranda.com/forum/topic/1061668/0#10093063

will order the nikon lens immediately!

thx!
reinhard



Dec 14, 2011 at 03:35 PM
jcolwell
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p.1 #5 · Finally a Fuji X100 wide angle solution that works


I look forward to hearing how it goes.


Dec 14, 2011 at 03:45 PM
millsart
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p.1 #6 · Finally a Fuji X100 wide angle solution that works


Tariq Gibran wrote:
Sounds great. I would love to also see a picture of the x100 with the lens adapter + filter rings attached just to get an idea of the size of the thing. I guess with the 72mm one you ordered, ti's going to be pretty big.



I'll include that as well at least with the Nikon I've currently got, its really a pretty small little piece, only weights about 6oz and maybe 2" diameter and an inch thick. Really not much bigger than the X100 lens hood in terms of amount of the VF blocked when using the OVF (which wouldn't make much sense with an adapter on of course, but does give you an idea of size)

Thats one cool thing about the X100 and the hybrid finder of course is that you can just flip to EVF mode and have the proper framing even with the adapter on.

The Raynox isn't much bigger, weighting 7 some oz I think. Who knows if it works better or not but figure might as well try to test out all the brands I can find just in case one does work noticeably better.



Dec 14, 2011 at 03:57 PM
millsart
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p.1 #7 · Finally a Fuji X100 wide angle solution that works


rsrsrs wrote:
hi,
great to hear that im not alone with my thinking
https://www.fredmiranda.com/forum/topic/1061668/0#10093063

will order the nikon lens immediately!

thx!
reinhard



Nikon is a good place to start Reinhard, as you can find them brand new on Ebay for $50 so its the cheapest way to try it out.

No problems that I can tell with the weight either, as one, its not really that heavy, and two, the X100 lens barrel has an outer metal shell which is what the threads attach onto, with the actual lens assembly moving in and out inside this, and as such isn't bearing any weight.



Dec 14, 2011 at 04:00 PM
millsart
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p.1 #8 · Finally a Fuji X100 wide angle solution that works


This is still a bit of a work in progress as I find tune the distance from conversion lens to X100 but here are a couple of quick samples for those interested.

First the full frame image, both with and without the conversion lens, showing the increase in FOV. Focus was on the middle tree in both shots. Exposure changed slightly as the clouds were moving while I went back inside and got the adapter between the shots

http://img822.imageshack.us/img822/3041/comparisonfullframe.jpg




Dec 14, 2011 at 09:46 PM
millsart
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p.1 #9 · Finally a Fuji X100 wide angle solution that works


Then here we've got some 100% crops of the center, bottom left and right of the 35mm equiv image, which as you can see, is very sharp edge to edge. The X100 really does have an amazing lens.

With the conversion lens, which is just $50 mind you, so don't go expecting 24 Lux levels of performance, I think the overall image holds up really well. I see no visible softness in the center of the frame from the converter and really only at the very extreme edges is there a strong blurring, but really thats only about 5% of the frame.

I went ahead and included the entire left hand edge of the frame at 100%. Even at the very edge, such as the wooden barrel planter the overall detail holds up pretty well and I don't see much if anything to complain about.

I'm pretty pleased overall. 95% of the frame is quite sharp, low distortion, AF seems to work just fine and my X100 now can have both a 24mm and 35mm equiv FOV

http://img855.imageshack.us/img855/7590/crops.jpg



Dec 14, 2011 at 10:06 PM
ricardovaste
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p.1 #10 · Finally a Fuji X100 wide angle solution that works


Wow, that seems to work really well! I've never used any filters like this - do they have any effect on the amount of light getting to the sensor? (ie will it still be f2)


Dec 15, 2011 at 05:58 AM
millsart
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p.1 #11 · Finally a Fuji X100 wide angle solution that works


No observable reduction that I can tell Ricardo. I'm sure that someone with a bit more knowledge than me in all things optic related can explain that there is technically some difference in the transmission values etc but in a nutshell, its just like adding a bigger front element to the lens and isn't supposed to have any reduction in fstop.

However, do keep in mind that while you could shoot at f2 still, the lens is bit soft until stopped down til f4 or ideally f5.6 where it really sharpens up the corners. Depending on the shot, dof, light etc the softer corners may or may not be an issue. After all, people often heavily vignette their corners in post on some shots. For a landscape type shot there where you would want good corner performance you would certainly want to stop down.



Dec 15, 2011 at 11:28 AM
millsart
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p.1 #12 · Finally a Fuji X100 wide angle solution that works


Quick cellphone snap of the camera w/ adapter on. Won't win a contest for looks but its actually pretty light and still handles fine.

http://img543.imageshack.us/img543/9579/photo2mc.jpg



Dec 15, 2011 at 02:28 PM
mhespenheide
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p.1 #13 · Finally a Fuji X100 wide angle solution that works


Oooh. Very nice. Has anyone tried any of the telephoto converters? I feel like a 24/35/85 combination would make a great hiking and backpacking camera.

And, as a side issue, I think it looks quite good, in a purposeful-sort-of-way.



Dec 15, 2011 at 04:20 PM
millsart
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p.1 #14 · Finally a Fuji X100 wide angle solution that works


Sadly the results are rather poor with this hacked Sony ultra wide for the NEX. I think it really looks quite cool mounted on the X100

http://img846.imageshack.us/img846/2505/photo3ng.jpg



Dec 15, 2011 at 05:16 PM
millsart
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p.1 #15 · Finally a Fuji X100 wide angle solution that works


mhespenheide wrote:
Oooh. Very nice. Has anyone tried any of the telephoto converters? I feel like a 24/35/85 combination would make a great hiking and backpacking camera.

And, as a side issue, I think it looks quite good, in a purposeful-sort-of-way.



Once I get the wide angle sorted I'd like to take a look at some TC options. Vignetting seems to me a major issue, as does the sheer size of some of the better rated ones. No much sense in half 20oz of glass sticking an extra 6" off the camera just to give 70mm equiv and with poor optical quality.

At the same time, I'm open to the possibility that there could be something out there that gives decent center sharpness and "character", maybe a 1.5x TC that would give an option of sort of a lo-fi or retro 50mm with a bit of softness, heavy vignette etc if the price is right. Could just be a fun little option to explore

Also curious to try getting my hands on the Sony NEX fisheye conversion lens. I'm not sure if I could take it apart and hack it the same way as the ultra wide, or what the results would be, but if it could produce decent results and I could get it for under $100 might be worth trying as well. I'm not a huge FE fan but they can certainly be fun for taking shots of crowds, tall building in downtown urban areas etc



Dec 15, 2011 at 08:07 PM
davenfl
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p.1 #16 · Finally a Fuji X100 wide angle solution that works


I have now read over this valuable thread several times and I will admit that for whatever reason I am having personal mind block so please forgive me. Still not clear exactly what components you have assembled here to come up with this wonderful solution. I see the pics of the camera but somehow I believe that it would be terrific if we could just break this down a bit more for dummies like myself. I see the Nikon WC68, but what exactly are the other components. It would appear to be the FUJI filter ring adapter and is that some sort of step ring or what. You lost me when you starting talking about cheap UV filters. Sorry for being so dense but I would love to try this, Thanks much.

Dave



Dec 17, 2011 at 10:12 AM
millsart
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p.1 #17 · Finally a Fuji X100 wide angle solution that works


Dave, the best results I've found so far are using the Fuji adapter as its thicker than a 52-49 step down ring, and then using a standard sized 49mm filter as a spacer, paired with a very thin 46-49mm step up ring that was a $2.99 Ebay one. It seems that every millimeter makes a difference so the thin step up ring matters just as much as the Fuji style filter adapter. I'm going to try to find some other brands of cheap filters other step up rings to see if I can continue to refine things.


On a different note, got the Raynox lenses and very poor results with them, both 49mm and with a much larger rear element. Just very blurry outer 1/3rd of the frame. Good center sharpness but can't find a distance where it actually provides good IQ

Space it out too far and you get a heavy black vignette, but otherwise there seems no distance I've found that works.

Shame as it would be nice to use a 72mm filter, but on the other hand, it is a much larger conversion lenses so its a bit unwieldy. Plus the Raynox was $140 which the Nikon was $50

Basically whole point is just a cheap and easy way to give the X100 some wider angle ability for fun. Nikon W68 is small enough to be easy to carry, works pretty darn well and is cheap and easy to find so its still my best recommendation to date.



Dec 18, 2011 at 09:59 PM
millsart
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p.1 #18 · Finally a Fuji X100 wide angle solution that works


This is a bit unrelated as well, but I've tried a Hoya R72 and found that while on has to shoot at high ISO handheld, the X100 works quite well. No IR hot spots and decent sensitivity for an unmodded camera, better than quite a few I've owned.


I've got a Tiffen Wratten 87 filter I want to try too next time its sunny. The 87c which is my favorite for b&w IR work is a bit too strong to be useable other than on a tripod



Dec 18, 2011 at 10:25 PM
davenfl
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p.1 #19 · Finally a Fuji X100 wide angle solution that works


millsart wrote:
Dave, the best results I've found so far are using the Fuji adapter as its thicker than a 52-49 step down ring, and then using a standard sized 49mm filter as a spacer, paired with a very thin 46-49mm step up ring that was a $2.99 Ebay one. It seems that every millimeter makes a difference so the thin step up ring matters just as much as the Fuji style filter adapter. I'm going to try to find some other brands of cheap filters other step up rings to see if I can continue to refine things.

On a different note,
...Show more

Millsart thanks much for the clarification. The fog has now lifted and I will assemble the solution.

Dave



Dec 19, 2011 at 04:06 PM
kosmoskatten
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p.1 #20 · Finally a Fuji X100 wide angle solution that works


It resembles the wide angle conversion lens for Ricoh, maybe it would work well on the X100?

It mounts on the GRDIII and IV by means of a threaded tube, haven't checked the thread/pitch/diameter. I'll see if I can find a picture of it mounted and dismounted.

It does ok on the GRD series, not bonafide RF quality, but "works".




Dec 20, 2011 at 04:01 AM
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