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SV193 Reductor/aplanador de fotos de 0,8x de 2 pulgadas para SV503 102f/7 ED
SV193 2" 0.8x focal reducer and field flattener for refractor telescope, which can meet the illumination needs of full-frame shooting. With SV503 102ED telescope, it can take dazzling celestial photos.
SV193 0.8X focal reducer/field flattener
Estructura de lentes de 3 elementos/2 grupos
Reductor focal/aplanador de campo SV193 0.8X Todos los refractores tienen una curvatura de campo normal inherente. Esto proporciona imágenes que están nítidamente enfocadas en las esquinas de los chips de imágenes DSLR y CCD. En su imagen, las estrellas aparecen nítidas y puntiagudas en todo el campo de visión. No tiene que preocuparse por las fotos que tienen un centro nítido y bordes borrosos.
Incluye rosca de filtro estándar de 2" para agregar el filtro de contaminación lumínica (no incluido) que necesita.
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El paquete incluye:
1* SV193 0.8x Photo Reducer / Flattener
1 * 2 piezas de cubierta de polvo de goma
Juan Manuel Berzunza Cuevas
Comentado en México el 11 de agosto de 2024
Buena calidad y precio.
Chas
Comentado en los Estados Unidos el 23 de octubre de 2024
Well made, good machining features, and lightweight for astro photography.
psienide k
Comentado en los Estados Unidos el 20 de julio de 2023
I wasted precious clear skies and good seeing experimenting with this flattener reducer and could not find good results. At the recommended 55mm backfocus, there is not enough in-focus on the sv503 102 to come to focus. That is, until I discovered that the nose piece of the flattener is removable. Removing the nose piece is the only way to get the required in-focus while keeping the requird back focus. Svbony do not mention this, so it took some experimenting. The video they posted as an answer to a customer question *will not* result in a flat field. To be clear, you need to remove the nose piece by unscrewing it, and use an extension tube to get the 55mm backfocus. Shorter distances may come to focus with the nose piece, but you won't get a flat field.One wonders why they include the nose piece at all if using it will not actually work with telescope it's designed for and only adds confusion.
Customer
Comentado en los Estados Unidos el 26 de diciembre de 2023
The quickness of the delivery and the ease it was to attach to the units.
Randy Roy
Comentado en los Estados Unidos el 14 de septiembre de 2023
Surprisingly only because the cost is so low for a well built focal reducer. Using this with a 100mm ED F9 refractor gives me a round tight stars to the edge of a flat field using my CMOS camera with a 15mm diagonal chip.
Gary F Thompson
Comentado en los Estados Unidos el 19 de abril de 2023
great little focal reducer. a must have if you plan to take pictures with your scope. Don't forget to get a camera adapter for your camera. the focal reducer has 48mm threads not the standard 42mm, so make sure your order the correct camera adapter.
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