ANTLIA ALP-T FAST GOLDEN DUAL BAND FILTER T ring This is an enormously versatile

This is an enormously versatile Barlow lens system which can be used both visually and photographically

5mm PL3304805 + PL3304807 + PL3304800 13 5mm M48 extension + 7mm M48 extension + M48 spacer 1mm PL3304805 + PL3304807 + PL3304801

the Losmandy plate 140mm PLUS can be:

Saturn offers its maximum sharpness in infrared and in larger apertures

ANTLIA ALP-T FAST GOLDEN DUAL BAND FILTER T ring This is an enormously versatileThe new Antlia FAST ALP T Golden Dual Band filter is specifically designed for astrophotography with colour DSLR, CMOS or CCD cameras with fast focal ratios between f 2. 2 and f 3. 6. Narrowband filters are typically designed with optics slower than f 3 4 in mind and when used with faster telescopes, the passing band can shift off wavelength, resulting in much less of the desired signal getting through. The 36mm unmounted variant comes with a handy