Made of high-quality optical glass | Filter surfaces are plan-parallel and polished. Anti-reflective filter surfaces | Filter holders made of black anodised aluminium | Filter thread on both sides (inside and outside) | Multiple filters can be used simultaneously
Four-lens telecentric teleextender 3x | Multiplying the effective focal length by: 3x | Fully multicoated design with four lenses | Telecentric optical design for excellent sharpness | All lens edges blackened for maximum contrast
Four-lens telecentric teleextender 2x | Multiplying the effective focal length by: 2x | Fully multicoated design with four lenses | Telecentric optical design for excellent sharpness | All lens edges blackened for maximum contrast
Four-lens telecentric teleextender 5x | Multiplying the effective focal length by: 5x | Fully multicoated design with four lenses | Telecentric optical design for excellent sharpness | All lens edges blackened for maximum contrast
Four-lens telecentric teleextender 2x | Multiplying the effective focal length by: 2x | Fully multicoated design with four lenses | Telecentric optical design for excellent sharpness | All lens edges blackened for maximum contrast