I tried that combo as well, probably after seeing your success with it, Dave. Definitely an easily workable way to play with IR.
Paul via phone > On Jun 11, 2016, at 7:55 AM, David J Brooks <pentko...@gmail.com> wrote: > > John, i found the combo of istd and the R72 filter worked great, best > camera i have done IR with > > Dave > >> On Fri, Jun 10, 2016 at 11:15 PM, John <sesso...@earthlink.net> wrote: >> I don't need a Sony nex. I already have a *ist-D, K10D & K20D (along >> with the K-3 I'm currently using as my main body). >> >> If I can find someone who does "a good, reasonably priced, job on Pentax >> DSLRs", I'd rather have one of them converted, especially if I can use >> Larry's idea of having it converted to full spectrum & using an IR >> filter on the front of the lens so I could still use it as a visible >> light backup. >> >> >> >>> On 6/10/2016 6:44 PM, Zos Xavius wrote: >>> >>> A simple mirrorless without ibis makes for an easier conversion. >>> Something >>> to consider. Get a Sony nex with adapter and look at it as an ir back. >>> That's what I would do since the optical viewfinder becomes useless with >>> full spectrum. >>> >>>> On Jun 10, 2016 6:40 PM, "Larry Colen" <l...@red4est.com> wrote: >>>> >>>> Back when I had a working IR K-5, I bought a large sheet of plastic IR >>>> filter, about 1/8" thick to make filters for speedlights and studio >>>> flashes >>>> so that they would only transmit in IR. It was much cheaper than buying >>>> the 3" squares of gel from B&H. If anybody needs some, in order to have >>>> an >>>> IR only light source, let me know. >>>> >>>> If I were to do something like convert on of my old bodies to IR (or full >>>> spectrum), who is doing a good, reasonably priced, job on Pentax DSLRs >>>> these days? >>>> >>>> My preference for an IR body would be to have the body be full spectrum, >>>> and if I need IR only, or visible only, just put a filter in front of the >>>> lens. With live view, IR only is much less of an issue. I had some >>>> difficulty finding IR block filters. Does anyone have specific >>>> recommendations for such? >>>> >>>> >>>> -- >>>> Larry Colen l...@red4est.com (postbox on min4est) http://red4est.com/lrc >>>> >>>> >>>> -- >>>> PDML Pentax-Discuss Mail List >>>> PDML@pdml.net >>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>>> follow the directions. >> >> -- >> Science - Questions we may never find answers for. >> Religion - Answers we must never question. >> >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > > > -- > Documenting Life in Rural Ontario. > www.caughtinmotion.com > http://brooksinthecountry.blogspot.com/ > York Region, Ontario, Canada > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.