The same software that works in the Epson RD-1 would work for an M42 DSLR, for capture anyway. The metering software is even easier. Assuming that someone wanted to built such a thing.
Cory Papenfuss wrote: >> I think you are wrong. Of course there are way >> > > Why am I not surprised? > > >> more than 10 potential buyers. There are MILLIONS >> of good and great M42 lenses actually owned by >> people. Not a few dozen. There are probably more >> m42 lenses in existance than ALL K mount lenses >> ever made and they have produced K mount DSLRS >> havent they? >> >> > ... but are there more than a few dozen who would be willing to > pay significantly MORE (R&D costs) for a camera that can ONLY use 30+ year > old MF lenses as compared to a modern camera that can use the same lenses > with minor inconveniences? This is not the same argument as the aperture > coupler. That's a minor cost savings on a mount that could easily > facilitate it without removing modern features. A true M42 DSLR could NOT > use anything more modern than auto-aperture MF M42 lenses. > > >> Secondly, my comments in that post were made >> on relative cost to develop a M42 DSLR from an existing design, >> vs developing one from scratch. It would not >> be very complex. Its not like this M42 pin actuator mechanism >> change is a swiss watch or something, its fairly basic. >> >> jco >> > > You confuse prototype costs with production costs. One could > certainly hack their K-mount DSLR to mount M42 lenses directly, operate > the aperture pin, and maybe even reverse engineer the software to have the > camera use it. In reality, you'd need to license the design for > modifying (hardware and software...costing big bucks), or build one from > the ground up (even bigger bucks). Both of which would require physical > production unless you're going to build them one-off in your basement. > > Just hacking up a working prototype is a far cry from a marketable > product. > > -Cory > > >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of >> Cory Papenfuss >> Sent: Wednesday, February 21, 2007 1:25 PM >> To: Pentax-Discuss Mail List >> Subject: RE: 85mm f1.8 SMCT on ebay : $400+ >> >> >> >>> I think you are seriously overestimating the >>> difficulty in producing/devloping a M42 DSLR, the only signifigant >>> difference from a K100D would be a screw thread flange instead of a K >>> flange and a M42 pin actuator instead of the k lens >>> lever actuator. Nearly all of the remaining >>> hardware would be the same and the software/firmware >>> would be mostly deleting existing features M42 couldnt >>> do. >>> jco >>> >>> >> Sounds good on paper. >> Conceptually very simple. >> Minimal modifications required to an existing camera. >> Legal requirements and licensing modification of hardware and software >> on >> an existing camera very expensive. >> Very expensive to pay engineers to do it. >> Very expensive to produce at low volume. >> >> Let's see... a half-dozen engineers at $100K/year for at least 6 months >> is >> $300K. Ramping up production to produce 1000 units, probably $500K (I >> have no firm numbers to support this, but it seems reasonable). >> Licensing modifications from an existing camera.... a $mil or so. So, >> you've got 1000 cameras that cost $10M to produce. That's $10K each. >> >> OR, you can pay 20 engineers for a year, making custom ASICs or patching >> >> something together using off-the-shelf components to try to make them >> from >> scratch. Probably quite a bit more than the $10M to make 1000 units. >> Your choice. >> >> If you and the other 10 people on the planet buy theirs, then they'll >> have >> to charge $100K per unit to break even. Economies of scale will not >> allow >> it to happen. Not enough market. >> >> -Cory >> >> >> > > -- -- The more I know of men, the more I like my dog. -- Anne Louise Germaine de Stael -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
