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Photo Forum / Film Photography / Darkroom / September 2005Interchangeable Lenses
Hey all, I just bought, via eBay, a camera which I thought would have the same lens mount as the one I already own (so I wouldn't need to buy new lenses). Unfortunately not. Although it is also a Fujica, like my current camera, it is an earlier model and has the M42 mount instead of the x-fujinon mount that my current AX-3 has. Major pisser. Does anyone know of a source for a lens mount adapter so that I can use my x-fujinon lenses on my M42 mount camera? I'm keeping an eye on eBay and I'm pretty sure such an animal does exist. Does anyone know of a dealer that may specialise or, at least, carry Fujica stuff? tia rts > Hey all, > [quoted text clipped - 10 lines] > tia > rts No there isn't. While it is easy to go from a screw mount to a bayonet mount and maintain infinity focus going from a bayonet to a screw mount adds thickness and eliminates the ability to focus to infinity.  SignatureTo reply no_ HPMarketing Corp. > I just bought, via eBay, a camera which I thought would have the same > lens mount as the one I already own (so I wouldn't need to buy new [quoted text clipped - 3 lines] > know of a source for a lens mount adapter so that I can use my > x-fujinon lenses on my M42 mount camera? I don't know if such a beast exists. I just checked B&H (http://www.bhphotovideo.com), and they've got an adapter to go the other way -- to mount M42 screw-mount lenses on Fujica X-mount bodies: http://tinyurl.com/azyj6 Judging by the photo, it looks as if the X-mount opening is much wider than the M42 opening, and it may have a slightly shorter film/flange distance. If so, you probably won't be able to get an X-mount lens to fit where it needs to fit to focus properly on an M42 body via an adapter. Thus, any adapter will either function as an extension tube or will require optics to compensate. If the latter, the optics will of course degrade the image quality at least a little, and the adapter might function as a modest teleconverter (maybe 1.2x, as a guess). Overall, your best bet is probably to sell the M42 Fujica to minimize your losses and then buy another Fujica with the X-mount. One other option if you'd been planning to buy new lenses in the near future would be to make them Tamron Adaptall lenses. These use interchangeable lens mounts, so you can use one lens on multiple camera bodies. You could also buy M42 lenses and use them with an adapter like the one that B&H sells, but you'd probably lose some functionality that way. (I don't know precisely what features the Fujica-X mount supports.) SignatureRod Smith, rodsmith@rodsbooks.com http://www.rodsbooks.com Author of books on Linux, FreeBSD, and networking > Overall, your best bet is probably to sell the M42 Fujica to minimize your > losses and then buy another Fujica with the X-mount. One other option if [quoted text clipped - 4 lines] > probably lose some functionality that way. (I don't know precisely what > features the Fujica-X mount supports.) I bought my uncle an Adaptall with the required Fujica adapter. From reading the web unfortunately they seem rare. Hmm, whilst having a quick delve on ebay to make sure I could back up the claim I may have found the very thing. http://cgi.ebay.co.uk/Fujica-Mount-Adapter-X-S-M42-screw-to-Fujica-bayonet_W0QQi temZ7547619837QQcategoryZ109089QQrdZ1QQcmdZViewItem I cannot comment on whether that is what you want but it looks like it! Pete Signaturehttp://www.petezilla.co.uk > I bought my uncle an Adaptall with the required Fujica adapter. From > reading the web unfortunately they seem rare. Tamron lenses aren't exactly what I'd call rare. B&H lists an Adaptall mount for Fujica AX as being in stock. I'm not sure if that's what the OP would need to mount Tamron Adaptall lenses, though; I just don't know enough about the Fujica mount in question. > Hmm, whilst having a quick delve on ebay to make sure I could back up the > claim I may have found the very thing. > > http://cgi.ebay.co.uk/Fujica-Mount-Adapter-X-S-M42-screw-to-Fujica-bayonet_W0QQi temZ7547619837QQcategoryZ109089QQrdZ1QQcmdZViewItem It's not what the OP needs; it goes the other way. This auction is for an adapter for mounting M42 lenses on Fujica-X bodies, but the OP has Fujica-X lenses that he'd want to use on a Fujica M42 body. SignatureRod Smith, rodsmith@rodsbooks.com http://www.rodsbooks.com Author of books on Linux, FreeBSD, and networking > Tamron lenses aren't exactly what I'd call rare. B&H lists an Adaptall > mount for Fujica AX as being in stock. I'm not sure if that's what the OP > would need to mount Tamron Adaptall lenses, though; I just don't know > enough about the Fujica mount in question. I was lead to believe that the Tamron Adaptall to _Fuji_ M42 adapters are not so easy to get hold of. None came up on Ebay when I checked. >> Hmm, whilst having a quick delve on ebay to make sure I could back up the >> claim I may have found the very thing. http://cgi.ebay.co.uk/Fujica-Mount-Adapter-X-S-M42-screw-to-Fujica-bayonet_W0QQi temZ7547619837QQcategoryZ109089QQrdZ1QQcmdZViewItem > It's not what the OP needs; it goes the other way. This auction is for > an adapter for mounting M42 lenses on Fujica-X bodies, but the OP has > Fujica-X lenses that he'd want to use on a Fujica M42 body. I probably posted too late at night! Signaturehttp://www.petezilla.co.uk > http://cgi.ebay.co.uk/Fujica-Mount-Adapter-X-S-M42-screw-to-Fujica-bayonet_W0QQi temZ7547619837QQcategoryZ109089QQrdZ1QQcmdZViewItem I saw that, but it goes the wrong way - it's to attach M42 lenses to an X mount body. >> Tamron lenses aren't exactly what I'd call rare. B&H lists an Adaptall >> mount for Fujica AX as being in stock. I'm not sure if that's what the OP [quoted text clipped - 3 lines] > I was lead to believe that the Tamron Adaptall to _Fuji_ M42 adapters are > not so easy to get hold of. None came up on Ebay when I checked. eBay's not the only place to buy stuff, you know! ;-) B&H lists them as being in stock: http://tinyurl.com/94usf Also, I just checked eBay and did find one: http://tinyurl.com/c4dj6 This was in the eBay "stores" area, though, and I don't know when it was listed; it could be new. I spotted two or three (one's description was vague about what it was) in the completed auctions, so they apparently do come up with some regularity, even if eBay's not flooded with them. Finally, M42 Fujicas should work with Tamron lenses with "generic" M42 mounts, but you'll lose the open-aperture metering. This could be a useful stopgap measure or an acceptable mount for a seldom-used lens. SignatureRod Smith, rodsmith@rodsbooks.com http://www.rodsbooks.com Author of books on Linux, FreeBSD, and networking Thanks to all who responded - you have all confirmed what my research has already shown. Apparently, Fuji originally made cameras with the much wider used M42 (c. 1977) mount but then, for the AX series (c. 1980) decided to try to "tunnelvision" their consumers into the X mount. Because their M42 cameras appeared earlier (and, for the time, probably rightly assumed that new fujica lens purchasers already owned M42 mount cameras, that they would want to convert to the newer X-mount lenses) they produced an M42 to X-mount converter. I can't blame them, after all, who would know in 1980 that their X-Mount would be a boondoggle? My thanks to all who responded - Rod, I did consider your suggestion to sell the newly acquired M42 mount camera and try to find an X-mount, but I think a more prudent suggestion would be to just simply bite the cost (a whole ruining 24 dollars) of the M42 and go with this for future purchases as it seems far more compatible for ... whatever I may choose to buy in the future as the X-mount is such a rare commodity. No doubt I'll keep the one I have and will, in twenty years, make a huge profit to send my kids to college ;) Just out of interest, I inherited this camera from my wife who was given it from her late husband's sister. Now I see why she gave it away! I'm cool with buying new lenses. If anyone's got a deal, let me know! rts The newer x-mount had more features, open apeture metering etc. and Fuji made an adapter so that Fuji users would be happy with their old M42 lenses until they could update. Fuji made some fine cameras and lenses. > Thanks to all who responded - you have all confirmed what my research > has already shown. Apparently, Fuji originally made cameras with the [quoted text clipped - 23 lines] > > rts > I can't blame them, after all, who would know in 1980 that their > X-Mount would be a boondoggle? My thanks to all who responded - Rod, I [quoted text clipped - 3 lines] > dollars) of the M42 and go with this for future purchases as it seems > far more compatible for ... whatever I may choose to buy in the future That's certainly a reasonable approach. Which M42 Fujica did you get, out of curiosity? (I've got an ST-801, FWIW, but mostly I use my K-mount cameras.) Be aware that if you use most non-Fujica M42 lenses, you'll have to use closed-aperture metering (or an external meter). This is do-able, but is a bit of a pain. Some (most? all?) Fujica M42 lenses have a coupling bit that lets some (most? all?) Fujica M42 cameras meter wide open. M42 lenses do have the advantage of being dirt cheap on the used market these days, and many of them are very good. You can use these on most more recent cameras via adapters, but you typically lose features like open-aperture metering, not to mention shutter-priority and full-auto exposure modes. SignatureRod Smith, rodsmith@rodsbooks.com http://www.rodsbooks.com Author of books on Linux, FreeBSD, and networking It's a Fujica ST-705. I also picked up (very cheaply) another X mount camera and (groan) more X mount lenses. I didn't expect to win the auction (which I bid on before winning the ST-705). Oh well, you can't have too many cameras and lenses. Oh, by the way, what do you mean by "open-aperture" and "closed-aperture" metering? I've been doing this for a while but I'm by no means an expert. tia rts > It's a Fujica ST-705. I also picked up (very cheaply) another X mount > camera and (groan) more X mount lenses. I didn't expect to win the [quoted text clipped - 4 lines] > "closed-aperture" metering? I've been doing this for a while but I'm by > no means an expert. Closed aperture metering, or "stopped down metering" requires you to press the DOF preview switch in order to get correct information from the built in lightmeter. This is no real trouble because the DOF preview switch and the meter switch are often the same switch in such cameras. Open aperture metering requires some mechanism for the lens to tell the meter how many stops it will close when the shutter is fired. Pentax, Fujica and Praktica all developed systems around 1970 or so which are incompatible with each other. Pentax and Fujica used mechanical linkages, while Praktica used electrical contacts. Even though the systems are incompatible, the lenses will still work fine using the older stopped-down metering method. When M42 lenses were first introduced around 1949, they had manual or preset diaphragms. In 1956, the new lenses for the Praktica FX2 had a pin on the back of the lens which allowed the camera to stop down the diaphragm to the desired stop just before firing the shutter. Most automatic diaphragm lenses for the M42 mount have an "auto/manual" switch to make the lenses usuable on older cameras. But no one in 1956 was thinking in terms of through the lens metering, so it wasn't necessary for the lens to be able to tell the camera what stop it was set to. So when Pentax introduced the Spotmatic in 1964, they made the meter switch so that it would also push the pin on the back of the lens. This was simple and it worked, most of the other M42 based cameras copied this. For some reason it was decided that it would be much better if you didn't have to pull the DOF preview lever in order to get a light meter reading. This time Pentax and Fujica went with their own systems instead of the traditional approach of copying Praktica. This was unfortunate, because the Praktica "electric" system was actually quite elegant. Peter. Signaturepirwin@ktb.net >> It's a Fujica ST-705. I also picked up (very cheaply) another X mount >> camera and (groan) more X mount lenses. I didn't expect to win the [quoted text clipped - 10 lines] > DOF preview switch and the meter switch are often the same switch > in such cameras. I don't know about Rex's Fujica ST-705, but in my ST-801, the light meter switch is the shutter release; press partway to meter, all the way to take the photo. To do stop-down metering, you've got to press a button on the front of the body AND partially depress the shutter release. (The stop-down button locks, fortunately.) It's a bit awkward, unfortunately, but not unusable. Also, most bayonet-mount cameras use open-aperture metering, so these terms aren't used as much with them, just because closed-aperture metering is pretty rare in that field. SignatureRod Smith, rodsmith@rodsbooks.com http://www.rodsbooks.com Author of books on Linux, FreeBSD, and networking > I don't know about Rex's Fujica ST-705, but in my ST-801, the light meter > switch is the shutter release; press partway to meter, all the way to take > the photo. To do stop-down metering, you've got to press a button on the > front of the body AND partially depress the shutter release. (The > stop-down button locks, fortunately.) It's a bit awkward, unfortunately, > but not unusable. I should have been clearer. On cameras which are designed for stop-down metering the DOF preview is usually also the meter switch. It can be quite awkward on some cameras not designed to be used this way. But on a camera designed for stop-down metering it isn't really inconvienient at all, it just forces you to do a DOF preview every time you meter. Peter. Signaturepirwin@ktb.net Rod, My camera is the same as your 801 (both my AX-3 and my ST-705 which arrived yesterday) - depress the shutter button partway for metering and both cameras have a button on the front - stop down metering, is it? It shows, through the viewfinder, the image relative to the aperture setting (smaller aperture and the image is darker). Thanks for the explanation, guys. Appreciated. rts |
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