Filter Criteria
					
						
							Lens mount diameter
							
								
										- φ12.7 mm
 
										- φ25.4 mm
 
										- φ30.5 mm
 
								
							
						 
						
							Min thickness of applicable optical elements
							
								
							
						 
						
							Max. thickness of applicable optical elements
							
								
										- 5.5 mm
 
										- 5.9 mm
 
										- 8.0 mm
 
										- 9.4 mm
 
										- 10.0 mm
 
								
							
						 
						
							Dimensions of applicable optical elements
							
								
										- 3.0 mm ~ 6.0 mm
 
										- 5.0 × 5.0 × 5.0 mm
 
										- 10.0 × 10.0 × 10.0 mm
 
										- 12.7 × 12.7 × 12.7 mm
 
										- 20.0 × 20.0 × 20.0 mm
 
								
							
						 
						
							Max dimensions of applicable optical elements
							
								
										- 3.0 mm
 
										- 25.4 × 25.4 × 25.4 mm
 
								
							
						 
						
						
							Stud type
							
								
										- M3 external thread
 
										- 4-40 external thread
 
								
							
						 
						
							Specifications of thread holes at the center of the upper and lower covers
							
								
										- SM1 thread hole、SM1 thread hole
 
										- SM1 thread hole、M4 thread hole
 
										- M4 thread hole、M4 thread hole
 
								
							
						 
						
							Main body height
							
								
										- 31 mm
 
										- 32 mm
 
										- 60 mm
 
										- 61 mm
 
										- 91 mm
 
										- 121 mm
 
								
							
						 
						
						
							Length dimension
							
								
										- 6.5 mm
 
										- 12.5 mm
 
										- 25.0 mm
 
										- 40.0 mm
 
										- 50.0 mm
 
										- 75.0 mm
 
										- 100.0 mm
 
										- 150.0 mm
 
										- 200.0 mm
 
										- 250.0 mm
 
										- 300.0 mm
 
										- 400.0 mm
 
								
							
						 
						
							Bore size
							
								
										- φ9.0 mm
 
										- φ11.0 mm
 
										- φ12.0 mm
 
										- φ16.0 mm
 
										- φ18.0 mm
 
								
							
						 
						
							Thread specification of central hole
							
								
							
						 
						
							Variable diameter
							
								
										- Ф1.5 ~ Ф8 mm
 
										- Ф1.5 ~ Ф20 mm
 
										- Ф1.6 ~ Ф30 mm
 
										- Ф2.5 ~ Ф50 mm