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Archive 2017 · Adapting Lenses to the Fuji GFX

  
 
mkuznicki
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p.97 #1 · Adapting Lenses to the Fuji GFX


flower_power wrote:
Has anyone shot a solar eclipse with a GFX?


I have not, but I wouldn't hesitate to try. I've safely shot sunspots with both a Nikon D850 and Sony A1 at 840mm. If you have the precision skills necessary to cut cardboard, you can use Baader AstroSolar film (make sure you pick the proper density) to make a simple filter assembly that fits over your hood.




Aug 19, 2023 at 09:36 AM
flower_power
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p.97 #2 · Adapting Lenses to the Fuji GFX


thrice wrote:
Do you have the filters etc? Have you done solar imaging before?
Seems like a hell of an expensive camera to experiment with.

Pentax 645 600/5.6 obviously covers and is very good. I think most long tele primes cover without issue but not sure about zooms. Avoid the Nikon 500PF as that vignettes, I would avoid Nikon PF and Canon DO lenses in general for any kind of solar/astro imaging.


I have never done solar imaging. I'm going to pickup the Thousand Oaks Optical solar filter to use, and I also have a 15stop ND just incase. It seems that as long as the solar filter is on the front of the lens, then I don't have to worry about any possible damage? Is there something else I'm not thinking of that could damage the lens/camera?

Right now, I'm planning to rent the Sigma or Tamron 150-600mm in Nikon mount (and possibly teleconverter) and use a Fotodiox adapter to GFX mount. I'll probably lose a little of the frame to vignetting but shouldn't really matter much since the corners will be black anyways I would assume.

That's the best plan I have at the moment. Just wondering if there's anything else I haven't thought of...



Aug 19, 2023 at 03:03 PM
thrice
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p.97 #3 · Adapting Lenses to the Fuji GFX


Better you than me 😅
I've read that the Nikkor 200-500 covers gfx at all lengths, so you can try that.

Yes, if an appropriate solar filter that mounts to the front of the optic is in place you should be alright. Make sure it passes visible spectrum as there are also filters designed for IR or UV to be captured with appropriate dedicated cameras.

Edit: if you intend to use just the ND at any point make sure it blocks IR as well. I've seen ND's that are transparent to IR and that is a bad time if you're pointing at the sun.



Aug 19, 2023 at 07:19 PM
tommmi
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p.97 #4 · Adapting Lenses to the Fuji GFX


What is the best adapter to mount manual focus Leica M mount lenses to GFX? Or can I just buy the cheapest one as it's just "cold" adapter without electronics required for AF?


Aug 22, 2023 at 02:22 AM
Steve Spencer
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p.97 #5 · Adapting Lenses to the Fuji GFX


tommmi wrote:
What is the best adapter to mount manual focus Leica M mount lenses to GFX? Or can I just buy the cheapest one as it's just "cold" adapter without electronics required for AF?


With this specific adapter I wouldn't go cheap. It needs to be thin and it typically sets inside the large GF mount a little. These issues means you have to pay close attention to the lens release as I have seen cheap adapter in which it isn't very useful. I got the Novoflex adapter and I was happy with it. M lenses, on the GFX, however, in my experience all needed cropping and didn't cover the image circle. If you are willing to deal with that issue, then they can be used successfully.



Aug 22, 2023 at 07:44 AM
thrice
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p.97 #6 · Adapting Lenses to the Fuji GFX


I have the TTArtisan one, cheap, well made, easy to use and seems to be precise enough.

I would strongly recommend against using M glass on the GFX though. I have the lenses and the adaptor was cheap so I thought it might be a fun experiment. None of the lenses perform well and you are far better off getting cheaper SLR lenses to adapt.

For reference the filter stack over the sensor on an M camera is ~1mm, the filter stack on a Sony A7 camera which everyone struggles with is ~2.5mm and the filter stack on the Fuji is ~4mm.

tommmi wrote:
What is the best adapter to mount manual focus Leica M mount lenses to GFX? Or can I just buy the cheapest one as it's just "cold" adapter without electronics required for AF?




Aug 22, 2023 at 07:06 PM
weezintrumpete
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p.97 #7 · Adapting Lenses to the Fuji GFX


So after hemming and hawing about getting a GFX, I just purchased a 50S from the board here with the intention of using it with manual focus glass. What I'd really like is a 40mm full frame equivalent lens with a 1.4 aperture, ie a full frame 50mm f/1.4ish lens.

Without going through this whole thread, is there a good resource for what adapted lenses work and don't work well with the GFX? My mind goes to the Voigtlander 50mm f/1.5 Nokton II, but I'm not sure if it covers appropriately. I'll most often be cropping to 4x5 aspect ratio.






Aug 23, 2023 at 10:49 PM
markhout
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p.97 #8 · Adapting Lenses to the Fuji GFX


weezintrumpete wrote:
So after hemming and hawing about getting a GFX, I just purchased a 50S from the board here with the intention of using it with manual focus glass.

Without going through this whole thread, is there a good resource for what adapted lenses work and don't work well with the GFX?


I don't mean to be a d*ck, but you've 'hemmed and hawed' about purchasing an expensive camera, and you don't want to be bothered to go through this whole thread?
What you've got in the pages before is the cream of the crop of GFX players sharing their vintage lens experience. It is the single one-stop resource on the Internet. Highly recommended. And you got great suggestions and directions in the earlier question you asked (https://www.fredmiranda.com/forum/topic/1820308/).

TL;DR it's a matter of taste.
In fact, you may very well find that your full-frame camera is serving your purpose better, particularly if you're looking at cropping your GFX image. I can go on and on about the Mitakon 65mm having such an awesome Pentax 67 + 105mm experience, but it may not serve your intent. Just read, learn and play.

If you're a Nikon / Canon / Leica M / M42 shooter, buy a cheap dumb adapter and just try all of your lenses. But if you want the real GFX experience you must buy GFX lenses. They are stunning. Only a handful non-GFX medium format lenses are great challengers (vs the full-frame experience), but most of them are expensive even 2nd hand and AF lenses require expensive adapters.

Here is the cheat sheet that you want. We are spoiled for choice in the 50mm category!

https://docs.google.com/spreadsheets/d/1uxvvpxJ9QVFFyh0pW2rs9KBmUW9vlh-d-VnbcLDCTn8/edit#gid=0

Edited on Aug 24, 2023 at 02:32 AM · View previous versions



Aug 24, 2023 at 01:52 AM
freaklikeme
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p.97 #9 · Adapting Lenses to the Fuji GFX


weezintrumpete wrote:
So after hemming and hawing about getting a GFX, I just purchased a 50S from the board here with the intention of using it with manual focus glass. What I'd really like is a 40mm full frame equivalent lens with a 1.4 aperture, ie a full frame 50mm f/1.4ish lens.

Without going through this whole thread, is there a good resource for what adapted lenses work and don't work well with the GFX? My mind goes to the Voigtlander 50mm f/1.5 Nokton II, but I'm not sure if it covers appropriately. I'll most often be cropping to 4x5 aspect ratio.



I haven't used the Nokton. I haven't been impressed with the performance of any of my friends' M lenses on my 50sII, which included the APO-Lanthar 50. Even the ones that "cover" have strong FC, color cast, and corner smearing. If I were already using the Lanthar on another system, I could see taking advantage of it's size and weight with the expectation of some cropping, but I wouldn't purchase any M-lens for the soul purpose of using it on the GFX.



Aug 24, 2023 at 02:08 AM
thrice
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p.97 #10 · Adapting Lenses to the Fuji GFX


All M lenses I've tested, including the venerable 75/1.5 nokton are unusable for anything other than FF equivalent crops. If my plan was to use a rangefinder lens on a medium format system with very thick coverglass I'd do my research before buying either.


Aug 24, 2023 at 06:14 AM
Steve Spencer
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p.97 #11 · Adapting Lenses to the Fuji GFX


weezintrumpete wrote:
So after hemming and hawing about getting a GFX, I just purchased a 50S from the board here with the intention of using it with manual focus glass. What I'd really like is a 40mm full frame equivalent lens with a 1.4 aperture, ie a full frame 50mm f/1.4ish lens.

Without going through this whole thread, is there a good resource for what adapted lenses work and don't work well with the GFX? My mind goes to the Voigtlander 50mm f/1.5 Nokton II, but I'm not sure if it covers appropriately. I'll most often be cropping to 4x5 aspect ratio.



That you like a 4 X 5 aspect ratio will help in two ways. It cuts the image circle to about 50mm instead of 55mm and the crop factor is .73, so you can use a longer lens. You ideally want a 55mm lens (with a 4 X 5 ratio that will look just like a 40mm FF lens), so the lens you will probably want is the 55 f/1.7 GF lens that is on the roadmap. That will get you a roughly a 40mm f/1.2 FF lens equivalent. In the meantime I would recommend going with a medium format 55mm lens, and a good and cheap option is the Mamiya 645 55 f/2.8, that will get you a 40mm f/2.1 FF equivalent, it is a nice performing lens, it can be fairly easily obtained, and it is cheap and easily adapted. And of course it easily will cover the image circle. I have tried a bunch of fast 55-58mm lens on the GFX and none of them covered the image circle to my satisfaction (even with a 4 X 5 aspect ratio) but there are a lot of interesting options. I had the Canon FD 55 f/1.2 Asph, which is a really good lens, but it didn't cover the image circle as well as I liked and I found I preferred the much slower Mamiya 645 55 f/2.8 and the Contax 645 55 f/3.5 much more even though they are a lot slower.

Personally, I would get something cheap now and save your pennies for the GF 55 f/1.7 when it gets made, but you have a ton of choices. I just would not expect full coverage of the image circle with any of the FF 35mm lenses. That might not matter much to you, but it did to me.



Aug 24, 2023 at 07:16 AM
weezintrumpete
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p.97 #12 · Adapting Lenses to the Fuji GFX


markhout wrote:
I don't mean to be a d*ck, but you've 'hemmed and hawed' about purchasing an expensive camera, and you don't want to be bothered to go through this whole thread?
What you've got in the pages before is the cream of the crop of GFX players sharing their vintage lens experience. It is the single one-stop resource on the Internet. Highly recommended. And you got great suggestions and directions in the earlier question you asked (https://www.fredmiranda.com/forum/topic/1820308/).

TL;DR it's a matter of taste.
In fact, you may very well find that your full-frame camera is serving your purpose better, particularly if you're
...Show more

Thanks for the link, that is what I was looking for.

---------------------------------------------

freaklikeme wrote:
I haven't used the Nokton. I haven't been impressed with the performance of any of my friends' M lenses on my 50sII, which included the APO-Lanthar 50. Even the ones that "cover" have strong FC, color cast, and corner smearing. If I were already using the Lanthar on another system, I could see taking advantage of it's size and weight with the expectation of some cropping, but I wouldn't purchase any M-lens for the soul purpose of using it on the GFX.


Thanks, that is helpful!

---------------------------------------------

Steve Spencer wrote:
That you like a 4 X 5 aspect ratio will help in two ways. It cuts the image circle to about 50mm instead of 55mm and the crop factor is .73, so you can use a longer lens. You ideally want a 55mm lens (with a 4 X 5 ratio that will look just like a 40mm FF lens), so the lens you will probably want is the 55 f/1.7 GF lens that is on the roadmap. That will get you a roughly a 40mm f/1.2 FF lens equivalent. In the meantime I would recommend going with a medium
...Show more

Ah yes, good tip, thank you! that 55mm does sound pretty great for my use. Much appreciated on the various equivalency numbers, I always have a hard time figuring those out.

I actually have a Mitakon 65mm f/1.4 coming, but I'm worried that lens is going to be too big and heavy, hence the question. I'll look into the lenses you suggested as well. Cheers!



Aug 24, 2023 at 10:25 AM
thrice
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p.97 #13 · Adapting Lenses to the Fuji GFX


The mitakon looks like a great lens, but you're right it's a chonker both in weight and dimension. The fujinon 55/1.7 judging by other gf lenses will likely be superior in every aspect including weight but it is likely to also be a beefy lens. I have and love the gf45/2.8 but it's probably not fast enough for your tastes.

I've heard of the Minolta 58/1.2 rokkor covering especially at a mild crop factor. That is a great lens and comparatively cheap when comparing to any M mount glass.



Aug 24, 2023 at 06:25 PM
freaklikeme
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p.97 #14 · Adapting Lenses to the Fuji GFX


thrice wrote:
The mitakon looks like a great lens, but you're right it's a chonker both in weight and dimension. The fujinon 55/1.7 judging by other gf lenses will likely be superior in every aspect including weight but it is likely to also be a beefy lens. I have and love the gf45/2.8 but it's probably not fast enough for your tastes.

I've heard of the Minolta 58/1.2 rokkor covering especially at a mild crop factor. That is a great lens and comparatively cheap when comparing to any M mount glass.


When I started with the 50sII, I picked up the Irix 45/1.4 and Mitakon 65/1.4 to check out against the Rokkor 58 I already owned. They all vignette like drama queens and none of them have fantastic coverage beyond the central image. I let go of the other two because the Rokkor had the prettiest under-corrected SA at wide apertures and was the smallest and lightest.

What I consider to be the best of the SLR lenses I looked at between 40 and 60mm was the Nikon 58/1.4G. It maintains a nicely flat field and the central performance is fantastic from wide open. While not a dedicated MF lens, Nikon puts in some soft indents with good resistance at MFD and infinity and the scale is simple but usable. I wound up with the 85/1.4G because I prefer the focal length on the GFX, but performance-wise, I would've been equally happy with the 58.

The classic ZE Planar 50/1.4 wins for funkiest bokeh outside the central frame (and sometimes inside), but, for as small and light as it is, it had its charms. I'd prefer the MP 50/2 from that line, though, and would put it second behind the Nikon. I felt it gave me the most usable real estate on the sensor at wider apertures and was a great close-focuser.



Aug 24, 2023 at 07:24 PM
rdeloe
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p.97 #15 · Adapting Lenses to the Fuji GFX


thrice wrote:
The mitakon looks like a great lens, but you're right it's a chonker both in weight and dimension. The fujinon 55/1.7 judging by other gf lenses will likely be superior in every aspect including weight but it is likely to also be a beefy lens. I have and love the gf45/2.8 but it's probably not fast enough for your tastes.

I've heard of the Minolta 58/1.2 rokkor covering especially at a mild crop factor. That is a great lens and comparatively cheap when comparing to any M mount glass.


Jonas Rask was over the moon for that lens and wrote about it here: https://jonasraskphotography.com/2017/08/16/minolta-x-fujifilm/ But when I click on that link it says it's private for now. Maybe he's doing maintenance on the site.



Aug 24, 2023 at 08:59 PM
thrice
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p.97 #16 · Adapting Lenses to the Fuji GFX


Great insights there.
I've heard the 50/1.8 SMC takumar actually covers quite well at 4x5 but since comparing anything to the GF glass I just can't be bothered with the compromise anymore.

freaklikeme wrote:
When I started with the 50sII, I picked up the Irix 45/1.4 and Mitakon 65/1.4 to check out against the Rokkor 58 I already owned. They all vignette like drama queens and none of them have fantastic coverage beyond the central image. I let go of the other two because the Rokkor had the prettiest under-corrected SA at wide apertures and was the smallest and lightest.

What I consider to be the best of the SLR lenses I looked at between 40 and 60mm was the Nikon 58/1.4G. It maintains a nicely flat field and the central performance is fantastic
...Show more



Aug 25, 2023 at 01:27 AM
joakim
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p.97 #17 · Adapting Lenses to the Fuji GFX


Unfortunately the site has been private for a while now, maybe because he is no longer a Fuji ambassador?

rdeloe wrote:
Jonas Rask was over the moon for that lens and wrote about it here: https://jonasraskphotography.com/2017/08/16/minolta-x-fujifilm/ But when I click on that link it says it's private for now. Maybe he's doing maintenance on the site.




Aug 25, 2023 at 01:57 AM
MAubrey
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p.97 #18 · Adapting Lenses to the Fuji GFX


joakim wrote:
Unfortunately the site has been private for a while now, maybe because he is no longer a Fuji ambassador?



Always check the Way Back Machine !https://web.archive.org/web/20230206150842/https://jonasraskphotography.com/2017/08/16/minolta-x-fujifilm/



Aug 26, 2023 at 07:19 PM
rdeloe
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p.97 #19 · Adapting Lenses to the Fuji GFX


MAubrey wrote:
Always check the Way Back Machine !https://web.archive.org/web/20230206150842/https://jonasraskphotography.com/2017/08/16/minolta-x-fujifilm/


Link is broken, but if you copy and paste the whole thing into a browser it works. Fred's site doesn't like that it's a link with a URL.

Too bad the WayBackMachine doesn't store the images too. Mind you, I'm incredibly grateful it grabs text and PDFs! What a great tool.



Aug 26, 2023 at 09:30 PM
lifef8
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p.97 #20 · Adapting Lenses to the Fuji GFX


Anybody used the Canon 50mm 1.8 STM on GFX?


Aug 30, 2023 at 11:42 PM
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