The Best Astro Tech Field Flattener of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Astro Tech Field Flattener of 2022. Check our ranking below.
2,290 Reviews Scanned
- 0.5x focal reducer cuts the telescopes focal length in 0.5 times of original's to get a wider field of view
- Fully anti-reflection coatings on all air-glass surfaces for increased contrast
- The focal reducer is great for visual use for a bigger FOV and is indispensable when CCD imaging
- Fully metal structure design;both the ends of the interface part is 28.5x0.6 thread
- Directly connect the interface to the eyepiece;there is a very good performance in both visual and photography
- Focal reducer and field flattener is one of the essential accessories for astrophotography; SV193 2 inch 0.8x focal reducer and field flattener for refractor telescopes
- With advanced refractor; SV193 0.8x focal reducer can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo
- The front end is a standard 2-inch socket to connect to the main lens; and the back end is M48x0.75 threaded to connect to the camera bayonet; support Full Frame Camera
- Accepts 2 inch filters; includes standard 2 inch filter thread to add light pollution filter you need
- The 0.8 times defocusing system shortens the exposure; it can meet the needs of astrophotographers who need sufficient exposure in a short time
- This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7
- Causes no change to the telescope focal length
- 2-inch barrel to easily attach to a two-inch focuser
- Fully multi-coated optics
- T-ring thread on the device so a T-ring can be used to easily attach a DSLR camera or a dedicated astrocamera
- 0.8x focal reducer and field flattener; for refractor telescopes; meet the illumination needs of full-frame shooting
- You can get wider starry sky and finer star points; reduced focus; has a better signal-to-noise ratio
- You can take dazzling celestial photos; no distortion of the star points on the edge of the photo; good quality picture
- It will be durable; multi-coated optics; high polish; hard anodize finished aluminum body; to help reduce weight
- About the compatibility; has standard 2" filter thread; to add light pollution filter; a standard 2-inch socket in front end; to connect to the main lens; M48x0.75 threaded in back end; can be connected with the camera bayonet
- Tactile Live Production: easily control your favorite tools and platforms.
- 15 Customizable LCD Keys: instantly trigger unlimited actions with a tap.
- Multi Actions: tap once to launch multiple actions simultaneously or sequentially with time intervals.
- Smart Profiles: create unique key configurations for different apps, and switch between them on the fly.
- Powerful Integrations: Elgato 4KCU, OBS, Twitch, YouTube, Twitter, Discord, Spotify, Philips Hue, vMix, VoiceMod, and more.
- Two-element optical lens helps transmit more light, nice green sheen when held at an angle.
- The reducer has standard 1.25inch telescope threads M28.5x0.6 and fits onto the nose of any 1.25 inch eyepiece, diagonal, extender tube, or camera adaptor fitting that format.
- Threaded male on one end and female on the other so it can both have a filter attached and be threaded onto an eyepiece or camera.
- Reduces your telescope's focal ratio by 0.5, which results in a wider field of view. It increases imaging area and allows capture of larger starfields or deep-sky objects, works as essentially a reverse barlow.
- Nice anodized aluminum housing
- After using SV193 focal reducer and field flattener; the starry sky can be more expansive and the star points thinner; and the signal-to-noise ratio is better under the same exposure amount
- 3 Elements 3 Groups; SV193 focal reducer and field flattener can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo
- Standard size; The front end is a M54x0.75 socket to connect to the main lens; and the back end is M48x0.75 threaded to connect to the camera bayonet (Support Full Frame Camera)
- SV193 focal reducer and field flattener uses M54x0.75 thread; and the 2 inch connector after the CAA needs to be removed when in use; The connection between the port and the telescope is more stable
- Fully Multi-coated optics housed in a high polish; and hard anodize finished aluminum body to help reduce weight
- LIKE HAVING TWO TELESCOPES IN ONE: Your long focal length Schmidt-Cassegrain is well suited to lunar and planetary work. Add the Reducer Corrector and you have a short focal length telescope perfect for deep sky observing and astrophotography.
- REDUCES FOCAL LENGTH AND F/RATIO BY 37%: Simply thread the reducer onto your telescopes rear cell and an f/10 Schmidt-Cassegrain becomes f/6.3. An f/11 instrument becomes f/7.
- COMPATIBLE WITH ALL YOUR ACCESSORIES: Once the reducer is installed, you can add accessories like a T-Adapter, visual back, star diagonal or off-axis guider as usual.
- GREAT FOR TERRESTRIAL DIGISCOPING: The faster f/ratio allows you to shoot in dimmer lighting conditions and still properly expose your subject. This fully multi-coated lens provides maximum light transmission with near full-field illumination.
- UNBEATABLE WARRANTY & CUSTOMER SUPPORT: Buy with confidence from Celestron, a leading optics brand in California since 1960. Purchasing from an Authorized Dealer on Amazon gives you a Celestron Limited Lifetime US Warranty & US-based expert tech support.
- Extra-low Dispersion glass; SV503 Telescope OTA is designed with ED glass; will give you the crystal clear image;SV503 80ED telescope produces an especially colour true and high contrast image; just right for more discerning observers
- Dual-speed rack and pinion focuser;The gear ratio of the dual speed 2-inch toothed focuser is 1: 10; which makes it easy to achieve accurate focus
- Top-quality Material; The appearance of the SV503 OTA is baked with high-end fine-grained paint; with exquisite appearance and delicate feel;all machined by CNC
- all optical surfaces multi-coated; The whole optical lens adopts the technology of ultra-wideband multilayer coating; 80mm aperture; fully multi-coated ED optics deliver outstanding views; day or night
- Areas of application; 80mm F7 astronomy telescope SV503 would be better begin for astronomy amateurs to do astrophotography
- Noise-Cancelling Ear Cushions
- Voice-Isolating Mic
- Padded Headband
- Closed Back Speaker Tags
- Please note: A40 TR Mod Kits are only compatible with A40 TR Headsets and not any other headsets.
Last update on 2023-07-03 / Affiliate links / Images from Amazon Product Advertising API
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