•January 19, 2021 • Leave a Comment

This is a small piece of item. But it might be useful to someone.

The base allows to set the high quality Takahashi finder scopes onto other telescopes.

Now in stock as MORE BLUE color finish.

Multiple Filter Testing

•January 18, 2021 • Leave a Comment

These are taken with IDAS filters and ASI2600MC at my backyard last weekend. I’d like to pile up my experiences for selecting filters and exposure times for different targets. I think it takes time anyway. This is my filter setup.

Mix of NGS1(60″) & NBZ(180″)

Flame nebula was too reddish only thru NBZ. So by mixing with NGS1, its color looks turning more natural.

Mix of NGS1(120″), NBZ(180″) & NB3(180″)

I tried to enhance OIII region thru NB3. But it wasn’t what I expected. Probably longer exposure. Or I feel NB1 might be more suitable for Rosette and Ha-dominant targets. I will check later on.

Fortunately APP can handle multiple channels by one-clicking. So an electric filter wheel and software makes me quote comfortable for using multiple filters in one session automatically. It’s quite enjoyable and makes me new imaging method.


•January 14, 2021 • Leave a Comment

NBZ-48 and NBZ-Di are in stock now. NBZ-52 is only available to NBX users for upgrading.

Production measured value

And as always, each blue shift simulation below. OIII’s 495.9nm line is indicated as the relative strength against 500.7nm.

And I added NBZ-48 into a last empty spot of my EFW. So this is my completion.

These 5 filters should cover from broadband to narrowband based on targets and imaging locations.

ODW (Clear) : Camera’s native UV/IR blocking

NGS1 : Broadband at the dark site and the backyard

NB1 : Galaxy’s HII

NB3 : SII (and Hubble pallete eventually??)

NBZ : Boosting the contrast for faint nebulosity

All are par-focal.

I will test NBZ tonight.

BTW, currently NB2 and NB3 combo set is on sale. This is a really bargain price. Don’t miss this chance. NB2 and 3 allow to enjoy Hubble Pallete with one-shot color cameras.

Some people might question to me “why you don’t do the monochrome imaging if you use multiple filters?”. That’s right. My answer is I can create color image even within very short period of the given time even if forced. At least I can enjoy the color finish even at one shot anyway. That’s my hobby style as a lazy astro photograper.


•January 13, 2021 • Leave a Comment

While we are about to start shipping a new NBZ filter, Fred Eiserling shared his new setup for more NBX testing.

I’m using a new scope (Sharpstar 105mm, f2.8), a new camera ZWO ASI 2400,
and a new autoguider (Mgen-3). The camera is OK, but was bought for my long focal length scopes. However, it seems to work. The scope seems good for a Newtonian, and is optically stable. The 48mm NBX fits in the scope. The best result was from the Mgen autoguider. It is easy to use, and does a great job-even better than my old SG4.

Thank you, Fred! Very nice setup!

To NBX users who already posted me for “upgrade to NBZ”, thanks for your patience. From tomorrow, I will contact each of you to arrange the shipment.

OSC Camera with CFW

•January 12, 2021 • Leave a Comment

I played around ASI EFW with ASI2600MC last night. First, EFW was too quiet to hear anything. So I thought the driver wasn’t installed properly and took apart to look into inside. Carousel was moving! Very well made.

Fortunately even adding M54 camera rotator, the optical length was just less than 55mm. So this setup should work with most of other scopes too. FOT106 has the built-in rotator too.

This was 1st test shot while changing multiple filters.

It’s so fun. Now a color camera should be used with CFW while electrically changing multiple filters too.

Probably this will be a main setup in this galaxy season for myself.

ASI2600MC with Camera Rotator & IDAS 50.8mm Unmounted Filter

•January 11, 2021 • Leave a Comment

1- The main reason why I didn’t to use CFW was the weight balance. I noticed the terrible weight balance at DEC once orienting CFW and I wondered how people managed to avoid the balance issue while rotating CFW.

At least I was sure this didn’t work out for dithering at all. So I quitted.

QHY looks avoiding such a issue. The camera’s front is the coupling interface for rotating. Good design!!

Anyway, I bought ASI camera already. So I had to manage to find out something similar.

I added M54 rotator in-between, which allows me to orient a camera itself independently. So there is no DEC balance issue now. Rotator and adapter is 14.7mm extra length. And only 44mm ID. So I don’t think this works out for the full frame camera. At least my APS-C should be OK though.

3″ rotator allows to set CFW inline of each RA and DEC axis.

Now I put IDAS ODW(clear), NGS1, NB2, and NB3. Last spot is for NBZ, which is coming in within a couple of days. All are M48 mounted. They should be large enough for APS-C.

One small issue, which was realized before getting, is the rotator’s thumbscrews are not long enough for such a narrow gap. At least I can access, but not comfortable at all. I will try to find a longer type out ASAP. I hope they are available somewhere.

I think this is the completion of my system.

2- IDAS starts preparing 50.8mm unmounted filters. Strictly speaking, it’s not the unmounted. It comes with a frame. But no threaded portion. The effective aperture is 47mm diameter. I hope large enough for full frame sensors.


•January 9, 2021 • Leave a Comment

I tried to shoot at the backyard although the sky was hazy. It was good practice time to learn a new camera.

BORG 55FL F3.6 + ASI2600MC + IDAS NBX-52

This is very comfortable setup. MORE BLUE’s Tak EM adapter fits well with Sightron’s CF tripod. Very solid and the perfect height for me.

BTW, IDAS NBZ filer is scheduled to come in stock end of next week.

IDAS NBZ & Free Upgrade

•December 28, 2020 • Leave a Comment

While IDAS NBX filter performed in fast optics at high transmission rate as advertised, unfortunately it had the halo issues around bright stars. So IDAS has decided to release a new dual narrowband filter called “NBZ”, which was newly designed from the scratch to dramatically reduce the internal reflections(see below). And the production process was also newly established to achieve the goal too.

Anything else remain unchanged. So NBZ is still F2-capable and same bandpass, which can be described as the NBX reflection suppression version in another word. It is expected to be commercially available middle of January 2021.

Following was the comparison test by the white LED as a light source. Keep in mind, this was the lab test used with the actual filters and a fully opened F2 lens. No computer simulation. So this NBZ result is real and will be actually what you will get shortly.

And same time, we are preparing for the free upgrade program to current NBX users.

  • Free exchange with NBZ at the shop you purchased NBX filters
  • Upgrade service period until end of March 2021. (Don’t be panic. We will fully and equally take care to all NBX users until completing this program. If necessary, we will extend the service period)
  • NBZ-52 will be available from February 2021

I will officially announce again when we will be ready for the upgrade service. So please keep your eyes opened, or contact your shops to reserve in advance.

From now on, we will resume shipping all NBZs to all of dealers and users who have the back-ordered NBX.

Conjunction – 3(final)

•December 24, 2020 • 1 Comment

My “conjunction party” was over on this Tuesday. A following was recorded through the cloud one day after the closest day. The sky was no good at all. But I wanted to see if the in-camera Curve preset worked for the Jupiter since it was over saturated in previous day. I set the inversed S Curve.

Setup was exactly same. But a sensor was closer to the eyepiece. So projection ratio was lower than Monday since planets were apart more. BORG’s eyepiece projection adapter is really functional. As far as I know, this is the best. It allows to adjust the projection ratio by changing the distance between a sensor and an eyepiece. It was very useful to this kind of requirement.

Hard to judge since the objects are fuzzy. But I feel the inverse S-shape seems to work. Unfortunately one day too late though.

Anyway, I really enjoyed this historical event visually and photographically almost every evening. I appreciate our universe gives us the opportunity in my life. This turned one of unforgettable memories in my life. Thanks to the universe!

BTW, my Panasonic GX8 turns an event camera. It was used in the total and partial solar eclipses a couple of times, Mercury transits twice and this time. The tilt EVF is quite convenient. This was why I bought and my decision was correct. I’m glad for that.

Friend Dave has completed his project too, which shows the entire sequence.

Thanks for sharing, Dave


•December 23, 2020 • Leave a Comment

More MORE BLUE products are now available. As always, all are quite high quality and nice finish.

1- CF half pillar (SP405) : This is a super light weight. I feel the weight is almost nothing, but so solid. This raises the mount up 225mm higher without concerning the weight and stiffness. You might feel 50mm diameter is worrisome. I thought so too until I touched. But nothing worried about. Very stiff. MORE BLUE recommends up to 15kg as the loadable weight.

CF pillar is setup with ScopeTech Mount Zero and Sightron CF tripod

2- Next 2 items are good for Takahashi EM mount users. EM mount adapter for Gitzo tripods and shaft extension. Since Sightron’s CF tripod is designed as Gitzo-compatible, EM adapter perfectly fits my tripod. And an extra shaft is quite useful when we need a bit more weight without adding an extra. These should be be valuable to most of EM and PM mount users.

All 3 items can be seen at

All are now in stock.

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