I have made some long exposures with the D before, but ran into issues with Compton scattering that was surprisingly more pronounced than with the K-5. Other than that, I actually have an equatorial mount that I have motorised this summer and am aching to try out. It's even on-topic, since the telescope it belongs to is an old Pentax 75 EDHF. :-) Jostein
Den 16. august 2016 11.09.16 CEST, skrev Larry Colen <[email protected]>: > > >Jostein Øksne wrote: >> Not gonna happen I think. The big D max out at ISO 1600, and my >wide-angle lens have max aperture 3.5. >> And damn you for seeding that thought! :-) > >If you have any friends that do astrophotography, they probably have an > >equatorial mount you could borrow. > >Even if ISO maxes out at 1600, it would be interesting to see what you >could get by underexposing a few stops. > >I can't help much with the fast glass issue, but you could try some >experiments with the glass you have, even if it's either not as wide, >nor as fast, as you'd like, just to see what your camera would do. > >> Jostein >> >> Den 16. august 2016 07.12.02 CEST, skrev Larry >Colen<[email protected]>: >>> >>> Jostein wrote: >>>> Darn, >>>> I look forward to when the night sky gets dark enough for that kind >>> of >>>> stuff again up here. Well done, you. :-) >>> Thanks. I look forward to you showing me up by taking milky way >photos >>> >>> with your 645D and Aurorae in the foreground. >>> >>>> Jostein >>>> >>>> >>>> Den 14.08.2016 03.27, skrev Larry Colen: >>>>> A quick and dirty test of astrotracer, K-1 with the 15-30/2.8 >>>>> http://www.fluidr.com/photos/ellarsee/sets/72157671491502112 >>>>> >>>>> 60-180 Second exposures >>>>> >>>>> Also a lightroom panorama stitching them all together >>>>> >>>>> full size >>>>> 60 Sec: >>>>> https://www.flickr.com/photos/ellarsee/28888653801/sizes/o >>>>> >>>>> 120Sec: >>>>> https://www.flickr.com/photos/ellarsee/28888416791/sizes/o >>>>> >>>>> 180 Sec >>>>> https://www.flickr.com/photos/ellarsee/28888487011/sizes/o >>>>> >>>>> panorama: >>>>> https://www.flickr.com/photos/ellarsee/28964917695/sizes/o >>>>> >> -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
