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SLR Magic MicroPrime Cine Lenses

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  • PBowen
    replied
    Looks like SLR Magic just launched EF Mount MicroPrimes! Andrew starts speaking about the new lenses at about the 3:22 mark. They are marked as APO, so I wonder if they are the same optics as the PL mount APO HyperPrimes (which I personally own, and adore). I e-mailed SLR Magic to find out. These new EF mount APO MicroPrimes might be an awesome fit with the Pocket 6K!

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  • Asyndeton
    replied
    I made another stupid little video using the 25mm. Liking the set, I'll probably get the 50mm as well in the next month or two when it comes out. https://www.youtube.com/watch?v=aUKk...ature=youtu.be

    Used the new 4K 2.4:1 mode at 75 FPS.

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  • Denny Smith
    replied
    The 10mm Hyperprime is a lens in its own class, and it’s IQ is more in line with what I have seen fri the Microprimes, it is different than the other Hyperprimes. I would keep the 10mm, and use it with the Microprimes. The 12mm MicroPrime is another unique lens IQ wise, and is different from the rest of the lineup.
    Cheers

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  • Asyndeton
    replied
    Originally posted by PeopleCanFly View Post
    I'm tempted to pick up a couple of these lenses for myself in the near future. I just looked and saw a 21mm and 50mm listed on B&H. Assuming these behave similarly to the others IQ wise, do you guys think they'll pair well with the SLR Magic 10mm T2.1 Hyperprime? I'm trying to decide if I should ditch it for the 12mm Microprime or keep it and get the two linked above to round out a tiny set.
    Nice, looks like they are pumping out the rest of the set in MFT now. My 25mm just arrived yesterday, it's turning to rainy season in Portland but I might have a slight chance of capturing some footage with it today inbetween work if I'm lucky.

    As for matching well with the Hyperprimes, I'm not sure but I would assume not, these lenses seem to have a different IQ than the hyperprimes.

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  • PeopleCanFly
    replied
    I'm tempted to pick up a couple of these lenses for myself in the near future. I just looked and saw a 21mm and 50mm listed on B&H. Assuming these behave similarly to the others IQ wise, do you guys think they'll pair well with the SLR Magic 10mm T2.1 Hyperprime? I'm trying to decide if I should ditch it for the 12mm Microprime or keep it and get the two linked above to round out a tiny set.

    Leave a comment:


  • Denny Smith
    replied
    Thanks Darren, glad the MicroPrimes worked out. Think I am getting the 18mm for sure, perhaps the 25mm or 35mm also.
    Cheers
    Last edited by Denny Smith; 09-11-2019, 03:25 PM.

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  • Asyndeton
    replied
    Originally posted by Denny Smith View Post
    Darren, how is the physical mount of the Microprimes on the Picket 4K Camera, fairly tight, loose, ?
    Cheers
    The 18mm is very tight, the 12mm isn’t as tight but I don’t feel any play in the mount when pulling focus.

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  • Denny Smith
    replied
    Darren, how is the physical mount of the Microprimes on the Picket 4K Camera, fairly tight, loose, ?
    Cheers

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  • Asyndeton
    replied
    Another quick video but this time with a mix of the 12mm and the 18mm and cropped in to 2.39:1 (excited for the new shooting formats coming out): https://www.youtube.com/watch?v=rd6LHI6yYAE&t

    The more I use the lenses the more I like them. I also remembered my circular polarizer this time. I'll be ordering the 25mm next week when I get back home from a vacation. And next time I play around with the lenses I'll be sure to actually use the Crane, but hopefully will be able to shoot an actual project with them sometime soon.

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  • Asyndeton
    replied
    I walked around with the 12mm while doing some errands the other day: https://www.youtube.com/watch?v=SJ4w...ature=youtu.be

    The stories about the lens are true, it is softer than the 18mm especially at 2.8. It starts to feel like more usable/pleasant softness at about T4 kind of like T2.8 on the 18mm and gets noticeably sharper from there. I think everything in the vid is between T8 to T16 for the most part. Mostly around 100 to 200 ISO and 48FPS, some at 60FPS. I forgot to grab my circular polarizer before I headed out. And again, this video is nothing special, but just got a better feel for the lens though it's difficult without a brighter external monitor in direct daylight making it hard to see the frame and keeping the monitor brightness down to save battery life. Next time I use it I want to get some more human subjects in frame. But the 25mm is now available for MFT and I'm going to order it in the next couple of weeks so excited for that.

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  • Denny Smith
    replied
    When changing focal lengths between lenses, especially in the W.A. focal lengths like this. I had almost a 1-stop,difference between a S16 Cine 9.5 lens from one manufacturer from a 16mm S16 lens from a different manufacturer. This is why wide range zooms, like the Pany-Leica 12-60 goes from f/2.8 at 12mm to f/4.5 at 60mm, because the focal length is part of the formula used for determining the f/stop. More expensive fixed f/stop zooms, are more expensive as they have larger lens elements to give them the fixed larger f/stop at longer focal lengths, and actually change the iris opening size (the other part of the formula) to maintain the constant f/stop.

    On inexpensive lenses like the Micro Primes, the difference is more down to actual light transmission differences, which is variable that is not part of the f/stop formula. So the only way to have accurate T/Stops is to actually measure the light being transmitted by each lens, and calibrate them accordingly. This is not going to be possible on a sub-$1K lens. This was part of the cost of the Duclos modded Tokina 11-16, the lenses were cherry picked and each one was actually measure for light transmission to get them to have a consistent exposure.
    Cheers

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  • Asyndeton
    replied
    Originally posted by Denny Smith View Post
    Darren, sounds like SLR is using a mathematically derived f/, labeled as a T-Stop, rather than a true measured T-stop, which would increase the cost, as each lens would need to be measured and a custom engraved T-stop ring made. This is the difference between true Cine lenses and lower cost semi-cine lenses, like the Micro Prime and the Veydra Mini Primes.

    As ,one as you know the difference, and can compensate it, you are good to go.
    Cheers
    That is my hunch as well that the lenses are mislabeled as t-stops and are actually f-stops, which I think is a bit dishonest and unfair of them to do. It is normal for lenses that are calculated in f-stops to be up to 2/3rds of a stop in difference. I just kind of want them to admit that that it is normal behavior for the lens, though it won’t make much difference other than my peace of mind. Either way, I like the lenses quite a bit and will be going for the 25mm whenever it goes for sale. Can’t expect perfection at these prices for cine lenses.

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  • Denny Smith
    replied
    Darren, sounds like SLR is using a mathematically derived f/, labeled as a T-Stop, rather than a true measured T-stop, which would increase the cost, as each lens would need to be measured and a custom engraved T-stop ring made. This is the difference between true Cine lenses and lower cost semi-cine lenses, like the Micro Prime and the Veydra Mini Primes.

    As ,one as you know the difference, and can compensate it, you are good to go.
    Cheers

    Leave a comment:


  • Asyndeton
    replied
    Just a quick update. I got a new copy of the 18mm with the same results, so I returned the 12mm for a new copy and finally got it yesterday after shipping delays. They both perform exactly as the first copies I got. The 12mm exposes 2/3rds of a stop more than the 18mm at all apertures.

    I’m contacting SLR Magic again to see what they say now that I’ve swapped both lenses as they said to do. All I really want is a confirmation from them that this is normal behavior from these lenses.

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  • Denny Smith
    replied
    Rick has an issue with one of his SLR APO lens, and SLR Magic took care of it very quickly.
    Cheers

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