Re: Best visual filters?

Eric Baumgartner

Hello, Mike:


Invest in an FL-D filter. It’s a filter from the days of film photography that adapted the color balance of daylight film (the “D”) to fluorescent lights (the “FL”). It coaxes out subtle details and adds contrast to gas giant planets. I use one screwed into my 2” diagonal when I study the planets. I use a 46 mm (E46) FL-D and a 46-to-48 mm step-up ring. B+W used to make a high-quality one, but it doesn’t seem that they do anymore. B&H Photo lists one made by Tiffen:


Clear skies,


Eric Baumgartner

Redding, CT USA




From: Astro-Physics GTO users group
Reply-To: Astro-Physics GTO users group
Date: Wednesday, October 9, 2019 at 4:07 PM
To: Astro-Physics GTO users group
Subject: [ap-gto] Best visual filters?


Anyone have any thoughts on 1.25" filters for visual lunar/planetary work?  Who makes good quality stuff and what has people's experiences been?




Mike J. Shade:

Mike J. Shade Photography:


In War: Resolution

In Defeat: Defiance

In Victory: Magnanimity

In Peace: Goodwill

Sir Winston Churchill

Already, in the gathering dusk, a few of the stars are turning on their lights.

Vega, the brightest one, is now dropping towards the west.  Can it be half

a year since I watched her April rising in the east?  Low in the southwest

Antares blinks a sad farwell to fall...

Leslie Peltier, Starlight Nights


International Dark Sky Association:


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