Schott RG9 vs Hoya RM90: Choosing a Longpass Filter for IR Work
A practical longpass filter comparison for IR work: how Schott RG9 and Hoya RM90 differ in cutoff, transmission, and physical format, and which to cho...
Category: ComparisonsBlog
Product reviews, how-to guides, and industry news from UQG Optics.
How to Clean Fused Quartz Coverslips Without Scratching
A practical quartz coverslip cleaning procedure that removes residue without scratching. Includes handling best practices and maintenance steps for fu...
Category: Tips & Care
No1.5 vs No2 Fused Quartz Coverslips: Which Thickness?
Compare No1.5 (0.17 mm) and No2 (0.20 mm) fused quartz coverslips on thickness, dimensions, and working distance so you can choose the right one for y...
Category: Comparisons