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I'm your always faithful AC adapter. I'm different than the others. If you are made for me, I will be yours. If you let me come inside you, I will keep you going all night long. I feel so dirty now.
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Sep 28, 2013 22:10
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| # ? May 16, 2024 09:51 |
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I'm the lack of batteries in your meterless film camera, suck it electricity needers.
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Sep 28, 2013 22:17
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I'm your ol' timey trustworthy selenium cell meter! Why, I've been providing over seventy years of service in this very camera! I like the sun, feel free to leave me out in bright light! I'll continue giving you good exposures and working reliab- SET YOUR SHUTTER SPEED TO FIVE DAYS, PUNCH A HOLE STRAIGHT THROUGH YOUR APERTURE, HAIL SATAN RAAAARGH.
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Sep 28, 2013 22:30
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My 35mm camera's meter really only works properly with illegal mercury batteries (there's a modern good-enough substitute that makes it read a stop off). But at least Zuiko glass isn't radioactive.
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Sep 28, 2013 22:38
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Bad Angus! Bad!
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Nerdssssssssssss!
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Sep 29, 2013 05:04
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Delivery McGee posted:But at least Zuiko glass isn't radioactive.
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Sep 29, 2013 05:16
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Delivery McGee posted:My 35mm camera's meter really only works properly with illegal mercury batteries (there's a modern good-enough substitute that makes it read a stop off). But at least Zuiko glass isn't radioactive. My chromenose zuiko 50mm 1.4 is hella radioactive. Hi I'm a zinc air cell. I'm cheap, your grandma loves me, but I don't last very long under pressure.
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Sep 29, 2013 07:10
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Mightaswell posted:My chromenose zuiko 50mm 1.4 is hella radioactive. Or maybe my hands are going to fall off (though if that happens I'm going to blame it on the developer without gloves rather than the fancy glass).
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Sep 29, 2013 11:43
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This chart is what kept me sane when I started worrying about collecting Takumar 55s, several versions of which are slightly radioactive, but not nearly as much as the Takumar 50 1.4s. As long as you don't keep them in a sack and then use that sack as a pillow you'll be fine. Short video of someone measuring the radiation emitted from their Tak 55  https://www.youtube.com/watch?v=oL3D7FQTHXo luchadornado fucked around with this message at 11:52 on Sep 29, 2013 |
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Sep 29, 2013 11:48
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One thing that was slow to occur to me (hurrr): How radioactive can they possibly be if you can leave them on your camera indefinitely and they don't even fog the film?Helicity posted:
I can't tell if those are just counters incrementing or if there's some sort of unit attached to the numbers. Phanatic fucked around with this message at 16:25 on Sep 29, 2013 |
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Sep 29, 2013 16:21
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SoundMonkey posted:ITT we roleplay discharge curves of various battery chemistries I guess. Hi I'm the replacement battery in my iPho--
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Sep 29, 2013 16:28
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Phanatic posted:One thing that was slow to occur to me (hurrr): How radioactive can they possibly be if you can leave them on your camera indefinitely and they don't even fog the film? From the youtube description: "This is an SMC Takumar 55/1.8 that has a thorium doped lenses. Thorium was used to obtain larger refraction ratio and keep relatively low dispersion at the same time. Radiation was measured with beta shields removed, so both gamma quants and beta particles were counted. Dose equivalent rate is almost 30uSv/h (200 times background radiation in my area). RKSB-104 (GORIN) shows only 20uSv/h because it has two G-M tubes on opposite sides of the casing, so only one tube was exposed to the radiation (the lens is 3-4cm in diameter). Polaron has two tubes also but both are placed on one side, so they both were exposed to the radiation." It does look like the units just increment for ~30 seconds though, but I'm not real familiar with those units (or russian).
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Sep 29, 2013 16:44
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Helicity posted:This chart is what kept me sane when I started worrying about collecting Takumar 55s, several versions of which are slightly radioactive, but not nearly as much as the Takumar 50 1.4s. As long as you don't keep them in a sack and then use that sack as a pillow you'll be fine. So a banana is as radioactive as a threesome.
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Sep 29, 2013 17:54
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My mom's had a radioactive lens on her Nikon for over 30 years (we only found out about it when she got randomly tested at the aiport and the dude was like "ummm your camera is coming up as positive") and so far she hasn't grown any extra limbs so you're probably ok.
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Sep 29, 2013 21:37
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So recently I bought a couple of m42 lenses and adapter. I'm a little confused with this this stuff. I thought I had it researched, but turns out there's variants of the Helios 44-4. Some of these hit the mirror on the 5D Mark II, but there's conflicting info out there. I just want to double check before I mount it which version I have? Here's the ebay listing: http://www.ebay.com.au/itm/310736701...84.m1497.l2649 I have a sneaking suspicion I bought the wrong one. I'll be using a Fotodiox m42 to EOS mount, if that helps.
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Sep 30, 2013 10:13
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My 400D is getting old and the AF is playing up, I want to change. I've been playing around with a friends GF3 and I really like the form factor and quality. I currently have 3 Canon lenses and mostly use(d) the 50mm which I just love. I miss it, but I'm also loving the 1080 HD video on the GF3 and it is just sexy in the hands. So I was thinking "New DSLR or just sell everything and buy a GF3" when the idea of a Canon hybrid with an adaptor hit me. It exists and seems like exactly what I want: compact good quality camera that can shoot video (child on the way) but can still take fancy pants RAW photos with some 50mm bokeh (sorry to be that guy). So... Canon EOS M + adaptor: any feedback? I'm also seeing some cheap (30-50€) lens adapters on eBay from Germany (I'm in France) whereas it costs 130€ on Amazon - is this knockoff junk or will it to the job (mount adapter) correctly ? Thank you all or any help!
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Oct 1, 2013 21:23
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the_lion posted:So recently I bought a couple of m42 lenses and adapter. Your ebay listing is either expired or not linked right.
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Oct 1, 2013 21:44
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Wait for the next M. Current gen is slow, but they've shown they know how to do sensor autofocus.
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Oct 1, 2013 21:48
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Slow even with firmware 2.0? And coming from 400D?
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Oct 1, 2013 21:55
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The current M is pretty darn cheap right now- maybe you can go to a store and try one out. I think CanonRumors has suggested two new M models- one a marginal upgrade and one with the live view AF hotness from the 70D. Either one is likely to be at least twice what the M goes for now. The 22/2 M lens will give you plenty bokehs. I got my ef/ef-s -> M adapter from e-bay. I had bad luck with one of the cheap-o ones, but I returned it and got the official one and it was I think $80 or $100 from an ebay store. I don't really have a sense of how slow the 400D, but I'd guess the M is a little slower than the 400D when you use the viewfinder on the 400D. I don't know if the 400D even has live view AF, but if it does, the M might have the advantage there.
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Oct 1, 2013 22:44
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Mr. Despair posted:Your ebay listing is either expired or not linked right. So it has. This one should work. http://www.ebay.com.au/itm/Helios-4...cvip=true&rt=nc I asked the seller, he wasn't sure. One guy on another board suggested using Live View mode to raise the mirror, then fit the lens with the mirror raised, then turn off Live View so the mirror drops down to test whether it will be a problem. the_lion fucked around with this message at 06:39 on Oct 2, 2013 |
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Oct 2, 2013 04:22
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the_lion posted:One guy on another board suggested using Live View mode to raise the mirror, then fit the lens with the mirror raised, then turn off Live View so the mirror drops down to test whether it will be a problem.
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Oct 2, 2013 12:25
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evil_bunnY posted:Don't loving do this. Well, if he does then the mirror won't be a problem (one way or the other).
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Oct 2, 2013 14:23
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BetterLekNextTime posted:The current M is pretty darn cheap right now- maybe you can go to a store and try one out. I think CanonRumors has suggested two new M models- one a marginal upgrade and one with the live view AF hotness from the 70D. Either one is likely to be at least twice what the M goes for now. The 22/2 M lens will give you plenty bokehs. Thanks for all the info - I will try one in store. While searching around I've heard it's possible to use Canon EF lenses with other interchangeables, such as the Sony Nex. There are both cheap manual and more expensive AF adapters. What do you guys think about that ?
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Oct 2, 2013 20:53
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Something like this: http://www.ebay.com/itm/Electronic-Auto-Focus-AF-Confirm-Canon-EF-Lens-To-Sony-NEX-Adapter-Ring-/200968880123 The introduction / function part reads funny though, doesn't seem to make sense. That ($100) + Sony Nex 3n (350€) ?
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Oct 2, 2013 21:29
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evil_bunnY posted:Don't loving do this. 8th-snype posted:Well, if he does then the mirror won't be a problem (one way or the other). This is all new to me, is the "don't do this" part of "you'll damage the mirror" or will it cause major problems? I think it'll be back to eBay for me, grab the model that I know works after doing more research that I missed at the start.
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Oct 3, 2013 04:38
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The mirror on cameras snaps down with some force, if the lens doesn't clear it you will shatter the mirror. If you buy that lens do your self a favor and go to Harbor Freight (or wherever) and buy a cheap set of vernier calipers to measure the flange to mirror distance on your camera and compare it with the amount the rear element sticks out of the lens.
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Oct 3, 2013 05:12
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Gotcha. thanks guys. Great info. Anyone else interested in doing similar, I just found this forum. Pretty extensive, I wish i'd found it sooner. http://forum.mflenses.com/complete-helios-lens-list-anyone-t11435.html
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Oct 3, 2013 06:44
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Sounds like you've found the info you need already, but just to mention that I have the Helios 44M-4 and it fits fine on a Canon 50D.
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Oct 3, 2013 07:00
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big scary monsters posted:Sounds like you've found the info you need already, but just to mention that I have the Helios 44M-4 and it fits fine on a Canon 50D. Maybe not an entirely wasted thing then, I know someone with a 50D that might like the lens. Here's an extensive list of M42 lenses that work with the 5dmk2 if anyone is interested in this stuff. http://www.panoramaplanet.de/comp/
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Oct 3, 2013 13:19
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Anybody can identify the mount on this lens? I'm looking for something cheap and long for the nex and the Vivitar 100-300mm F/5 seens to get good reviews, but the seller says he doesn't know what mount this is.
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Oct 6, 2013 16:31
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The photo is a little too dark and grainy to see a lot of the mount, unfortunately. Can you ask him for a better photo? Maybe have him point a lamp at the lens or something.
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Oct 6, 2013 16:56
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How often do lenses come and go on KEH? They had about 5 Tamron 60mm f/2 macro lenses on before, and naturally I look to go get one and they are all gone. They get regular cycles or would I expect not to find one like that for quite a while.
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Oct 6, 2013 17:19
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Primo Itch posted:Anybody can identify the mount on this lens? I'm looking for something cheap and long for the nex and the Vivitar 100-300mm F/5 seens to get good reviews, but the seller says he doesn't know what mount this is. The lens is T4 mount anyway, the adapters aren't hard to find nor expensive like some (drat you AD2/PKA). Expect to pay 5-15USD for whatever mount you want it in. Bob Mundon posted:How often do lenses come and go on KEH? They had about 5 Tamron 60mm f/2 macro lenses on before, and naturally I look to go get one and they are all gone. They get regular cycles or would I expect not to find one like that for quite a while. It's catch as catch can. I'd say check every couple days, they're pretty quick to refresh inventory.
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Oct 6, 2013 17:33
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Different lenses on KEH have wildly different frequencies and refresh rates. Kit zooms and nifty-fifties are never absent, but specialized lenses (dedicated macro, supertele, ultra-wide) seem to each have their own schedule. All you can really do is check in periodically.
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Oct 6, 2013 20:55
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Is "lens droop" on Manfrotto ball heads an actual thing, or is it just a case of a vocal minority on the internet magnifying a very minor issue? I want a new ball head in the $100 range and I've been looking into the various Manfrotto offerings but I've come across quite a few people mentioning the fact that because the ball shifts slightly when you lock it you'll have to recompose shots a lot. Any recommendations in this area?
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Oct 6, 2013 23:36
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My manfrotto has been fine, though I've never stress tested it with something dumb like a 400mm lens while using the camera body mount.
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Oct 6, 2013 23:39
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Mine shifts ever so slightly, but I only notice it at >300mm. It's really no big deal.
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Oct 7, 2013 00:13
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Alright thanks, that's kinda what I figured. I'd mostly be using it for portrait stuff at <100mm anyway so I'm not worried.
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Oct 7, 2013 00:22
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| # ? May 16, 2024 09:51 |
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A little late but I've put an unbalanced 25lbs (way past the rating) on my miniature ball head without droop. The key is to keep the locking knob grease off the ball by occasionally wiping it down with isopropyl alcohol or other solvent.
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Oct 7, 2013 01:50
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