The 8 Best Field reducers (2023 reviews)

Best part: celestron field reducer costs comparatively low and it is available to ship in 24 hours. This focal reducer is a must have for anyone doing astrophotography with the Schmidt Cassegrain telescope. It simply threads on the scope and you can noun your extender tube or right angle adapter to that. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. It is extremely high quality and excellent glass.

The focal reducer is compatible with both a 2” and 1.25” visual back. The reducer goes on the back of the scope ahead of the diagonal/adapter. It is for visual observations, the reducer optics are great and it works well. It is threaded for use on Schmidt-Cassagrain telescopes, not Newtonians like the 130 SLT.

Why We Like This:

Perfect for long focal length sct's
A must for any sct owner that wants wider field observing and astrophotography
Wider view for sun or moon with dslr camera t mount

SVBONY Focal reducer

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This focal reducer is a universal focal reducer. It is threaded for attaching to a c-mount standard for c or cs mount cctv type cameras with telescopes. It has a 1.25" filter screw-in thread. The reducer is also great for taking videos of the moon using your webcam.

This 0.5x focal reducer does increase the field of view for the sv305 camera. It has female thread at the rear end to fit filters etc. It is made of metal, which better protects the product itself and prolongs its service life. If you're looking for an inexpensive 0.75x or 0.8x reducer, then this should be one to consider.

Why We Like This:

Works well on short focal lenghts
Lot of satisfied buyers

Orion Field reducer

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Orion has been making great reducer for years, thanks to a combination of clever design and appropriate materials. This 0.5x focal reducer increases the area imaged by your starshoot g3 or g4 camera by a factor of. It creates a star field that you actually can align in the orion camera studio and the clarity is better not being so “zoomed” in. It works well with the Orion G3 and solar video camera. The larger imaging area allows capture of larger starfields and deep-sky objects that may not fit entirely in your telescope's normal field of view.

The focal reducer is designed to work with out starshoot cameras specifically. It has a two-element lens design, with antireflection coatings on all air-to-glass lens surfaces. The reducer threads into the nosepiece of either starshoot g3 camera to effectively reduce the focal length of the telescope by half.

Why We Like This:

Wider imaging area allows capture of larger starfields or deep-sky objects
Opens up the cameras field of view (fov) just right
Rugged anodized aluminum cell threads directly into the camera nosepiece

SVBONY Field reducer

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Compared with other reducer in this category, the svbony field reducer has a convenient design. It is ideal for video astronomy. This reducer halves the focal length of your telescope, giving you a much wider field of view. It has standard 1.25inch telescope threads m28.5x0.6 and fits easily into any 1.25" eyepiece or any 1.25" photo adapter. This component is designed to screw into the bottom of a 1.25" barrel eyepiece. It can be used visually with eyepiece and filter.

This product has the same threading front and back as a 1.25" filter so it fits on the end of a 1.25" eyepiece.

Why We Like This:

Reducing the magnification of a given eyepiece
Extender tubes and other accessories with standard 1.25" threads
Expands the image field of your webcam
Magnification reduces and field of view widens

A Alstar Field reducer

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The a alstar field reducer is capable of outshining several other reducer featured in this list in overall features for the price point. The larger lenses mean you get a much larger field of view than with 1.25" eyepieces of the same focal length. This lets you take images of much larger areas of the lunar surface, for example. The generous eye relief also means that they are very comfortable to use.

The 0.5 x focal reducer effectively halves the focal length of a telescope, enabling lower magnification, a wider field of view, and shorter exposure times for astrophotography. It is threaded for attaching to a 1.25" filter thread, which lets you easily screw it into any 1.25" eyepiece or 1.25" camera adapter. The reducer is also great for taking videos of the moon using your webcam. It can be used with additional spacers (available separately) to achieve further focal reduction.

Why We Like This:

Cemented together and coated, black-anodized aluminum housing
Delivers what they promise

Bindpo Field reducer

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The bindpo field reducer gives the top-tier reducer a run for their money by offering flagship specs at a much more affordable price. The Premium optical lens helps transmit more light for a clearer view. It can both have a filter attached and be threaded onto an eyepiece or camera for more uses. It has a standard 1.25 inch interface with m28.5x0.6 thread, and it fits onto the nose of any 1.25 inch eyepiece. It can shorten the focal length by 0.5X and increase the field of view, usually used for a longer focal length telescope.

Why We Like This:

Good quality aluminum alloy housing is durable for years of use
Lot of satisfied buyers

Astromania Focal reducer

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The astromania focal reducer is suitable and reliable and fits well with your daily usage. This is a simple lens that reduces the focal length of your telescope. The 0.5 x focal reducer effectively halves the focal length of a telescope, enabling lower magnification, a wider field of view, and shorter exposure times for astrophotography. This lets you take images of much larger areas of the lunar surface, for example. The lens is clear with minimal fringe and otherwise threads well and works as expected.

Why We Like This:

Expands the image field of your webcam
The simple way to increase your webcam's field of view
Good investment for long term

Astromania Field reducer

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This reducer halves the focal length of your telescope, giving you a much wider field of view. It can be used with additional spacers (available separately) to achieve further focal reduction. This lets you take images of much larger areas of the lunar surface, for example. The 0.5 x focal reducer effectively halves the focal length of a telescope, enabling lower magnification, a wider field of view, and shorter exposure times for astrophotography. The reducer is also great for taking videos of the moon using your webcam.

Why We Like This:

Can be used visually with an eyepiece
The simple way to increase your webcam's field of view
Lot of satisfied buyers