ImagingImaging
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Took the opportunity to test the Optolong Astronomy Filter L-Para in high speed at F1.8 I also took the opportunity to test the Optolong Astronomy Filter L-Para in high speed at F1.8 and it works very well.... -
Here's a quick comparison test of the Optolong Astronomy Filter L-Para and L-Utlimate. Here's a quick comparison test of the Optolong Astronomy Filter L-Para and L-Utlimate.... -
The Rosette and the Fire Tree - Large field around the Rosette - L-Para test by Cédric Humbert The Rosette and the Fire Tree - Large field around the Rosette - L-Para test by astrophotographer Cédric Humbert.... -
OPTOLONG FILTER L-ULTIMATE REVIEW The filter allows you to acquire both the Halfa line and Oxygen 3 emission in a single evening in a rich selection of deep sky objects, reducing the hours of shooting and reducing costs if compared to a shot taken with a monochrome camera; in fact, in this case there is the need to use a filter wheel, single filters that collect the spectral lines separately. This leads to a greater number of ligh... -
Optolong L-QEF 2” Filter Test L-QEF is a light-pollution filter, and is a clear evolution from its predecessor the L-Pro. L-QEF has star definition (FWHM) as good as the L-Pro, but in terms of colour balance, contrast, star colour profile and bright stars performance, L-QEF is a superior filter compared to L-Pro. This is very good and encouraging news, since you can start from a great product such as the L-Pro filter and deve... -
Here is the first image obtained with the new Optolong Astronomy Filter L-QEF. Hi everyone, here is the first image obtained with the new Optolong Astronomy Filter L-QEF. Broadband filter with more selective characteristics than the L-pro filter. I must say that I shoot from a fairly polluted sky (Guidonia Montecelio, Rm) and until now I have always used the L-pro filter for broadband shots with good results.... -
Optolong L-Quad Enhance Filter Deep Sky Review by Astrophotographer Loan Nemes Optolong L-Quad Enhance Filter Deep Sky Review. I Tested the L Quad Enhance Filter on the LDN1235, & PGC67671 Galaxy. ... -
I picked M31 as the subject for another test of Optolong's L-Quad Enhance Filter. I picked M31 as the subject for another test of Optolong's L-Quad Enhance Filter. I've tested it now on star clusters, a large nebula and this galaxy. The filter did a nice job suppressing light pollution without introducing any difficult-to-process colour cast. In fact, the star colours also look very good. Based on these results, I'll be leaving this filter in my imaging train for the winter, wh... -
Test of Optolong L-Quad Enhance Filter on IC 1396 This is the first extended object that I have imaged using the Optolong L-Quad Enhance Filter (LQEF). It allowed the red to come through nicely while blocking the “orange-red” wavelengths associated with light pollution. This provided an apparent red boost, but it is actually just a boost in contrast. I think imagers in light polluted skies will find this filter useful.... -
Double Cluster, L-QEF was tested by Astrophotographer Dr. Ron Brecer This image is a test of the new Optolong L-Quad Enhance Filter (LQEF), a light pollution filter for broadband photography. This test was conducted under a full Moon and moderate transparency – a tough test for any filter. For my first target I chose the Double Cluster to evaluate star colours and shapes. This filter performed well on these targets. I will test on a galaxy when the Moon is out of t... -
Thoroughly test the new Optolong L-Extreme F2 filter Thoroughly test the new Optolong L-Extreme F2 filter designed especially for very fast optics.... -
Test of the new Optolong L-eXtreme F2 filter: Sadr and the Belly of the Cygnus. Test of the new Optolong Astronomy Filter L-eXtreme F2 filter: Sadr and the Belly of the Cygnus.... -
L-eXtreme F2 filter performance: Rosette Nebula by Astrono Mono On Rosette Nebula, great contrast, lots of detail. ... -
L-Ultimate Reviewer - scientist Ariel L. Cappelleti: Halos..., but at least in my personal opinion is not a great deal, for me is not a problem at all. <Optolong L-Ultimate 2”Duo Narrowband Filter Test> by scientist Ariel L. Cappelleti ...Halos..., but at least in my personal opinion is not a great deal, for me is not a problem at all. So, in the best of my knowledge, I think L-Ultimate is a great filter, which helps you to deal with heavy light pollution, improving the contrast and quality of the data that you are getting in narrowband bicolor... -
L-Ultimate halo test on bright stars It is different from the series of dual-narrowband L-eNhance and L-eXtreme in that L-Ultimate is a dual-3nm bandwidth filter that only passes through Ha and OIII emission lines. You will get a darker sky background, more contrast of the image and the suppression on stars. L-Ultimate has also been optimized in terms of halo performance, so that there is no obvious halo when shooting on a bright sta...
