WebDec 15, 2024 · I need a UV/IR cut filter for my ASI533MC pro used with a FRA300 scope (if that matters). I see three candiates: 1. ZWO 2" IRCUT2 on sale for $47 . 2. Optolong 2" UV/IR selling for $65 . 3. Baader CMOS-Optimized UV/IR Cut L-Filter - 2" selling for $127 . To my untrained filter brain, these all seem to be doing the same thing. 6 rows ·
[2024 NEW] Optolong L-eXtreme dual-band astronomy …
WebOffered by Optolong co-photographer Vincent Cheng After a simple red structure transformation, the effect of SHO Hubble color can also be simulated. ! Substrate:B270 Thickness:1.85mm Tpeak:T>90% Blocking range:300-1000nm Blocking depth:light pollution line blocking >99% Surface quality:60/40 Transmitted Wavefront RMS:λ/4 Parallelism … WebMay 29, 2024 · Thickness 2.0 mm (1.25”/2”) Thickness 1.0 mm (Clip series) Surface … citrus groves for sale in polk county
L-Pro filter for deep space objects in the Milky Way, nebula ... - Optolong
WebL-eXtreme Optolong 7nm 2-inch filters are ideal for limiting light pollution. Purchase the perfect Optolong light pollution filter for your needs at High Point Scientific! ... Filter Size: 2" Thickness: 1.85mm; FWHM: OIII 7nm+Ha 7nm; Blocking range: 300-1000nm; Blocking depth: light pollution line blocking >99%; Surface quality: 60/40 ... WebSep 23, 2024 · Just as a bit of further detail if you aren't aware about these filters... The Optolong L-Enhance that everyone seems fond of is a dual narrowband filter that actually covers three emission nebula wavelengths of light, Ha, Hb, and OIII. The first band is 24 nm wide and covers the Hb and OIII. WebThickness: 1.85mm FWHM: OIII 3nm, Ha 3nm Blocking Range: 300-1000nm Blocking: OD4 Surface quality: 60/40 Transmitted Wavefront RMS: λ/4 Parallelism: 30seconds Additional Information About Optolong While Optolong is a relative newcomer to the astronomy industry, they are no strangers to optics and filters. dicks in ground basketball hoops