Vixen Telescope Focal Reducer HD
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Vixen Telescope Focal Reducer HD for AX103S & VC200L - ES37247
Let us take photography of Nebula! High-performance Reducer for AX103S and VC200L
High-performance Reducer for AX103S, VC200L telescopes. Reduces focal length by 0.77x.
The AX103S optical tube incorporates a flattener lens and outperforms high imaging capability even by itself.
For this reason, the Reducer HD can be used without using the SD Flattener HD. The AX103S covers an imaging field of DSLR camera with full-format sensor with 44mm image circle.
Originally incorporating a flattener lens inside, the VC200L optical tube offers high imaging capability by itself.
From this reason, the Reducer HD can be used without using the SD Flattener HD together.
The VC200L delivers 36mm image circle (peripheral illumination by 60%) fully covering an imaging field of DSLR camera with APS-C sensor, and also offers comparably sharp images with the center in spite of 47% peripheral illumination at dia. 44mm image circle.
It covers an imaging field of DSLR camera with an image circle of dia. 28mm with APS-C sensor and dia. 44 with full-format sensor.
The same anti-reflective AS coatings, which are used for our high-end VSD100F3.8 Astrograph, are used to take advantage of 99.9% superb high transmission of light per lens surface.
Loss of light, ghost and flare images are eliminated substantially due to the complete matte finish inside.
Features:
- High-performance Reducer for AX103S, VC200L telescopes - Reduces focal length by 0.77x.
- Applicable to AX103S - The AX103S optical tube incorporates a flattener lens and outperforms high imaging capability even by itself. For this reason, the Reducer HD can be used without using the SD Flattener HD. The AX103S covers an imaging field of a DSLR camera with a full-format sensor with 44mm image circle.
- Applicable to VC200L - Originally incorporating a flattener lens inside, the VC200L optical tube offers high imaging capability by itself. For this reason, the Reducer HD can be used without using the SD Flattener HD together. The VC200L delivers 36mm image circle (peripheral illumination by 60%) fully covering an imaging field of DSLR camera with APS-C sensor, and also offers comparably sharp images with the center in spite of 47% peripheral illumination at dia. 44mm image circle. It covers an imaging field of a DSLR camera with an image circle of dia. 28mm with APS-C sensor and dia. 44 with full-format sensor.
- High Contrast - The same anti-reflective AS coatings, which are used for our high-end VSD100F3.8 Astrograph, are used to take advantage of 99.9% superb high transmission of light per lens surface. Loss of light, ghost and flare images are eliminated substantially due to the complete matte finish inside.
- Applicable to SD series telescopes by using SD Flattener HD Kit(sold separately) together - Applicable to SD 81S, SD103S and SD115S telescopes by using SD Flattener HD Kit(sold separately) together. While keeping the image circle as Φ44mm, it reduces focal length by 0.79x (f/7.7→f/6.1) and largely improves sharpness over the entire imaging field of the DSLR camera with full-format sensor.
What's Included:
✓ Vixen Telescope Focal Reducer HD
✓ Vixen Electronic Parts: Limited 1 Year Warranty
✓ Vixen Mechanical Parts: Limited 2 Year Warranty
Specifications:
| Lens Elements | 2 elements in 2 groups |
| Coating | AS Coating (Over 99.9% light transmission per lens surface) |
| Size/Weight | Φ68×45.2mm／218g |
| Other | Applicable to 52mm Filter |