Part Number

Former MG 
Part Number

Clear Aperture 
at 45°(mm)

A
(mm)

Shape

BTF-VIS-30-2501M-C

03 BTF 153

15.9 × 22.5

25.0

Round

BTF-VIS-50-2501M-C

03 BTF 154

15.9 × 22.5

25.0

Round

BTF-VIS-70-2501M-C

03 BTF 155

15.9 × 22.5

25.0

Round

BTF-NIR-30-2501M-C

03 BTF 157

15.9 × 22.5

25.0

Round

BTF-NIR-50-2501M-C

03 BTF 158

15.9 × 22.5

25.0

Round

BTF-NIR-70-2501M-C

03 BTF 159

15.9 × 22.5

25.0

Round

BTF-VIS-30-SQW-5001M-C

03 BTF 101

31.8 × 45.0

50.0

Square

BTF-VIS-50-SQW-5001M-C

03 BTF 107

31.8 × 45.0

50.0

Square

BTF-VIS-70-SQW-5001M-C

03 BTF 111

31.8 × 45.0

50.0

Square

BTF-NIR-30-SQW-5001M-C

03 BTF 113

31.8 × 45.0

50.0

Square

BTF-NIR-50-SQW-5001M-C

03 BTF 115

31.8 × 45.0

50.0

Square

BTF-NIR-70-SQW-5001M-C

03 BTF 117

31.8 × 45.0

50.0

Square