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Celestron put together this 2" Eyepiece and Filter Kit for Schmidt-Cassegrain and refractor-style telescopes to give users the essentials for planetary observation. All of the accessories are made to fit and accept larger 2" accessories.

This kit includes three Plossl eyepieces that provide a wide range of magnifications on any given telescope, five of the most popular colored planetary filters to enhance the views, and a 2x Barlow lens which essential doubles the magnification of any eyepiece used with it.

This kit also includes a 90° star diagonal that puts the user's head in a comfortable viewing position when the scope is aimed high in the sky. The diagonal is outfitted with a standard SCT visual-back thread for easy direct-connection, plus an adapter to allow its use on refractor-style focuser drawtubes.

An included hard aluminum carrying case protects the accessories while custom die-cut foam on the inside cushions them.


2" diameter barrels

Accepts most standard 2" eyepiece filters

Anti-reflection multi-coated optics improves light transmission, color rendition, and contrast

26mm E-Lux offers highest magnification potential

32mm produces a mid-range magnification

40mm has the lowest magnification potential with the longest eye relief and highest light transmittance


Fits standard 2" eyepieces

#80A Blue:

Most popular for the study of detail on Jupiter and Saturn

Enhances the contrast on Jupiter's cloud belts

Enhances details of the Great Red Spot

Brings out detail in Saturn's belts and polar features

Also very useful for lunar observing

#58 Green:

Rejects red and blue wavelengths

Increases the contrast on the lighter parts of the surface of Jupiter

Useful for enhancing the cloud belts and polar regions on Saturn

Increases the contrast in Mars polar ice caps

Increases the contrast of atmospheric features on Venus

#25 Red: Blocks the transmission of blue and green wavelengths. Sharply defines the contrast between the cloud formations and the lighter-toned surface features on Jupiter

Useful for definition of the Martian polar ice caps and maria

#21 Orange: Reduces transmission of blue and green wavelengths

Increases the contrast between these blue/green areas and red/yellow/orange areas

Sharpens the boundaries between these areas on the Martian surface

Sharpen the contrast in Jupiter's belts and to bring out the Great Red Spot

Slightly increases surface details on Saturn

#12 Deep Yellow:

Enhances red and orange features on Jupiter and Saturn, while blocking blue and green wavelengths

Lightens the red and orange features on Mars, while reducing, or blocking, the transmission of blue and green areas - increasing the contrast between the two

Enhances the blue clouds in the Martian atmosphere

Barlow Lens

2" diameter barrel and eyepiece holder

2x magnification doubles the magnification of any eyepiece used

Increases magnification while preserving eyepiece's native eye relief for easier viewing at high magnifications


2" eyepiece holder

90° angle places head in comfortable viewing position when scope is aimed at or near the zenith

Star diagonal corrects image horizontally, but image is reversed

Equipped with standard Schmidt-Cassegrain visual back threads for direct-connection

Included adapter allows it to be mounted in standard refractor OTA 2" focuser drawtubes


Hard aluminum case with reinforced corners and edges

Dual latch-locks

Hinge carrying handle

Custom interior die-cut foam protects and cushions accessories

UPC: 050234943055

Filed under: Eyepieces & Accessories