TSOrange1

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TS-Optics Optics 1.25" Colour Filter Orange #21 - Minimum Aperture 80 mm

15,92 EUR

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excl. 5,03 € Shipping costs

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TS-Optics Optics 1.25" Colour Filter Orange #21 - Minimum Aperture 80 mm

Colour filters from Teleskop-Service can be used for visual observing and for astrophotography.

♦ 1.25" colour filter # 21 - orange

♦ Strong contrast filter for daylight observation. The blue light of the atmosphere is suppressed.

♦ The filter shows detail on Mars and in the atmospheres of Jupiter, Saturn and, in larger telescopes, also of Uranus.

♦ Precise metal filter cell with thread on both sides, thus combining filters is possible

♦ Homogenous filter substrate with plano-parallel surfaces and very good coating for high sharpness and contrast

♦ Precise 1.25" filter thread for all common eyepieces and adapters

♦ High-quality storage and transport case, made of plastics

1.25" Colour Filter for Observation and Photography of Moon and Planets

Colour filters from Teleskop-Service offer excellent value for money. The filters are very well suited for observing and for astrophotography. Just screw the filter into the filter thred of your eyepiece, filter wheel or adapter and watch moon and planets with clearly more contrast.

List of the recommended colour filters with their ranges of application:

By combination of the filter, you open up new interesting fields of application. There is a recommended telescope aperture mentioned at each filter.

♦ TS Light Yellow #8 - from 50 mm aperture
The false colour of achromatic refractors is reduced, like with a minus-violet filter. The contrast of moon and planets is increaesed. The contrast of the dust tail of comets is improved.

♦ TS Yellow-Green #11 - from 60 mm aperture
The contrast of detail in the atmospheres of Jupiter and Saturn is increased.

♦ TS Yellow #12 - from 80 mm aperture
The contrast on the surface of the moon is significantly increased. Surface details and clouds of Mars become visible. The Great Red Spot of Jupiter is ephasized. The blue fringe of achromatic refractors (false colour) is suppressed. The filter is also suitable for twilight observations.

♦ TS Dark Yellow #15A - from 114 mm aperture
The effect is similar to the one of the yellow filter # 12, but more intensive.

♦ TS Orange #21 - from 80 mm aperture
Dust storms on Mars become visible. Structures in the atmospheres of Jupiter and Saturn are better emphasized. The phases of Mercury and Venus can be observed better, even at daytime or in the twilight. In larger telescopes, also details in the atmosphere of Uranus become visible.

♦ TS Light Red #23A - from 60 mm aperture
The filter considerably increases contrast on moon. The polar ice caps of Mars become already visible in telescopes from 100 mm aperture. The filter is ideal for daytime planetary observing as blue is entirely blocked.

♦ TS Red # 25 - from 80 mm aperture
The effect is similar to the one of the light red filter # 23, but more intensive. The filter strongly enhances the surface details on Mars.

♦ TS Dark Red # 29 - from 120 mm aperture
The effect of the light red filter # 23A or the red filter # 25 is extremely intensified again. The entire green and blue range of the light is cut off.

♦ TS Light Blue # 82A - from 50 mm aperture
The filter is an important universal contrast filter for almost all objects in the solar system. Especially the cloud bands of Jupiter and Saturn are strengthened. The filter also emphasizes the polar ice caps of Mars in telescopes from 80 mm aperture.

♦ TS Blue # 80A - from 70 mm aperture
The filter very well increases contrat in the atmospheres of Jupiter and Mars. The polar ice caps of Mars are considerably enhanced. The phases of Venus become better visible.

♦ TS Dark Blue # 38A - from 100 mm aperture
The effect is similar to the one of the blue filter # 80A. With this filter, larger telescopes already show first structures in the atmosphere of Venus. Clouds on Mars also become visible in larger telescopes with this filter.

♦ TS Violet # 47 - from 120 mm aperture
This extreme filter reveals the clouds of Venus in large telescopes. The filter is often referred as ideal Venus filter. Stuctures in the rings of Saturn can also become better visible.

♦ TS Green # 56 - from 60 mm aperture
One of the most important contrast filters. Lunar craters become more visible, even away from the terminator. The filter also emphasize the Great Red Spot of Jupiter and the maller vortices of the gas giants Jupiter and Saturn.

♦ TS Dark Green # 58 - from 120 mm aperture
The effect of the green filter # 56 is clearly increased again. Additionally, the rings of Saturn are separated from the planet even more clearly.

The newest reviews:

(1 review)

* * * * *
2016-07-26 23:22:54, Benjamin Infantino

"The red filter suppresses turbulence, so I wanted to see if the orange filter would do the same. It does, not as much as the red one, but transmits more light, and alters colors less. The red filter gives tremendous contrast, the orange one a little less, but it has the other qualities I mentioned. Through it, yellow remains very bright, but looks more orange-yellow. Red looks pinkish and bright. Purple looks dark but it's still purple. Blue is darkened so much it looks grayish black. Green is also much darkened but not as much as blue. The glass is pure and finely polished, image remains sharp at high power. The cell is well-cut metal, and elegant with its silver ring. The filter makes eyepieces sharper to the edge because they have only one main color to focus. With my Fraunhofer, chromatic aberration disappears completely, and atmospheric dispersion disappears, too. It sharpens the Sun quite well, and while the filter looks orange while you hold it, at the eyepiece the Sun looks looks more yellowish orange, like a paprika. I like that because it seems a little more natural (the red filter also looks totally red when you hold it alone, but when screwed on the eyepiece, it makes the Sun looks orangish red; that's not because of the aperture filter since it's AstroSolar, which gives a pure white image. A color filter is the cheapest great optical accessory you can have, so don't be afraid to get a few."

Here is experience from many years of astronomical practice:

Colour	Recommended minimum aperture	Recommended for use on...
Light Yellow #8	50mm Aperture	Moon, Mars, comets You can reduce false colour in Fraunhofer refractors. A nice universal contrast filter, even for small aperture telescopes
Yellow-Green #11	60mm Aperture	Well suited for observations of Jupiter and Saturn. Reveals atmospheric structures even in small aperture telescopes.
Yellow #12	80mm Aperture	Enhances contrast on the moon Reveals surface details and clouds on Mars Enhances cloud structures on Jupiter (especially the Great Red Spot) Can be used in double star observations with refractors - reduces false colour in Fraunhofer refractors
Dark Yellow #15	114mm Aperture	Similar to yellow, suitable for bigger aperture telescopes Removes false colour in Fraunhofer refractors Enhances the contrast of structures on Saturn
Orange #21	80mm Aperture	Enhances contrast in daytime and twilight observations (Venus, Mercury) by suppressing the blue light Reveals details on Mars (in larger aperture telescopes) Further details in Jupiter´s and Saturn´s atmosphere are revealed You may try spotting atmospheric structures on Uranus with large aperture telescopes.
Light Red #23A	60mm Aperture	For very high contrast on the Moon - suitable for small aperture telescopes This filter is used when observing the polar ice caps on Mars (100mm aperture and larger). Separates the polar regions of Saturn from the equator region Well suited for Venus by blocking the blue daylight. The sky appears black.
Red #25	80mm Aperture	Similar to light red, suitable for telescopes of 100mm aperture and larger Enhances details on Mars
Dark Red #29	120mm Aperture	Similar to light red, suitable for telescopes of 150mm aperture and larger. This filter will make for an extreme contrast.
Light Blue #82A	50mm Aperture	An important universal contrast filter for all telescopes, similar to light yellow. It brings along a gain in contrast on many objects within our solar system.
Blue #80A	70mm Aperture	General contrast gain on the moon, off its terminator Enhances contrast in Jupiter´s and Saturn´s cloud bands Enhances surface details on Mars In large aperture telescopes you may see cloud details on Venus. Good comet filter - boosts contrast in the comet´s tail
Dark Blue #38A	100mm Aperture	Similar to blue, suited for telescopes of 150mm aperture or larger
Violet #47	120mm Aperture	Well-suited for observing Venus in telescopes of 150mm aperture or larger. It makes visible the dark clouds in Venus´ atmosphere. Boosts structures in Saturn´s rings You may also use this filter on Mercury under good seeing conditions in large telescopes.
Green #56	60mm Aperture	An important universal contrast filter Drastically boosts contrast on the Moon - better contrast even far off the terminator - suitable for low magnifications This filter is especially effective on Jupiter, revealing the famous Great Red Spot and other reddish details in the Jovian atmosphere. White spots in Saturn´s atmosphere are enhanced in telescopes of 200mm aperture or larger
Dark Green #58	120mm Aperture	Similar to green, but suitable for telescopes of 150mm aperture or larger

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