| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
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| Price /Unit | $430.22 | $421.44 | $408.27 | $390.71 | Contact US |
Askar E1+E2 2-inch Ultra Duo-narrowband Filter Set Professional Astrophotography Tool for Deep-sky Imaging
$1,199.00
Askar E2 (SII+OIII) 2-inch Ultra Duo-narrowband Filter Professional Astrophotography Tool for Deep-sky Imaging
$605.00
Askar E1 (Hα+OIII) 2-inch Ultra Duo-narrowband Filter Professional Astrophotography Tool for Deep-sky Imaging
$605.00
Sharpstar 3" F4.8 Full-frame Reducer Professional Astronomical Accessory Dedicated for 140PH Telescope
Description:
- The newly designed large 3-inch full frame reducer for the 140PH APO features a high-quality metal body design, reducing the focal ratio from the original F6.5 to F4.8. It is aesthetically pleasing and can be used for high-quality astrophotography with the 140PH APO, making the images clearer and the surrounding star points more perfect. It is an essential accessory for astrophotography enthusiasts.
- Adopting a triplet fully separated design, including a 360 degree rotator and M48 thread.
- The standard rear intercept, including the rotator, is 55mm. Users can also unscrew the rotator to make the rear intercept 105mm, fully considering the needs of professional users.
- The front thread is M88x1, directly connected to a 140PH 4-inch focusing adapter interface, making it a professional astrograph combination. Fully optimized design to meet your demanding requirements for image quality, it is an ideal shooting must-have product.
Specification:
- Application: 140PH
- Focal ratio: f/4.8
- Image circle: 44mm
- Lens: triplet air-spaced structure
- Outer diameter: 88mm
- Back focus: 55mm
- Total length: 106mm
- Coating: full-surface multi-layer coating
- Weight: 0.9kg
Package Included:
- 1 x Reducer
