kb244
Well-known
Some more earlier tonight, decided to throw a Hoya R72 in front to narrow the spectrum to just 720nm+ (instead of the 590nm). All with the Pentax-M 50mm f/1.4 adapted.
The flare crazy varnum river composite, the 2nd mural shot onward are without the R72 filter in front, the rest are with the R72 in front.
The Varnum River scene, and the very last one of the church front are composites, so they'll be able to print around 36 inches on the long side at 300+ dpi.
My previous night walk session, mostly without a filter in front of the lens can be found here : http://imgur.com/a/DM5z6
I'll likely have to wait til the weekend before I do a full daytime walk, but I've found that downtown, night shooting is quite doable with 590nm with little difference in exposure times on a tripod than from my unmodified camera. The exception of course outside of some buildings they use either efficient lights or very narrow band LEDs which do not emit any IR or red light. Street halogens/neons/fluorescent/headlights etc and what not seem to always have something present in the IR range.
Walk starts about 8:30pm after I got off work at the Campus.
* All above this point was handheld, after this point it got too dark and I unstrapped the tripod from the backpack *
* And now with the R72 filter removed going filterless *
Flare overload open at f/1.4 on a busy high grade (steep) street.
The flare crazy varnum river composite, the 2nd mural shot onward are without the R72 filter in front, the rest are with the R72 in front.
The Varnum River scene, and the very last one of the church front are composites, so they'll be able to print around 36 inches on the long side at 300+ dpi.
My previous night walk session, mostly without a filter in front of the lens can be found here : http://imgur.com/a/DM5z6
I'll likely have to wait til the weekend before I do a full daytime walk, but I've found that downtown, night shooting is quite doable with 590nm with little difference in exposure times on a tripod than from my unmodified camera. The exception of course outside of some buildings they use either efficient lights or very narrow band LEDs which do not emit any IR or red light. Street halogens/neons/fluorescent/headlights etc and what not seem to always have something present in the IR range.
Walk starts about 8:30pm after I got off work at the Campus.
* All above this point was handheld, after this point it got too dark and I unstrapped the tripod from the backpack *
* And now with the R72 filter removed going filterless *
Flare overload open at f/1.4 on a busy high grade (steep) street.
