Specifications：

Model		NTB-5A	NTB-6A	NTB-2B	NTB-4B
Viewing Body	Binocular viewing microscope body	●	●	●	●
	Trinocular viewing microscope body	○	○	○	○
Eyepiece	WF5×			○
	WF10×			●	●
	WF15×	○	○	○	○
	WF20×	○	○	○	○
	WF30×	○	○
	EW10×	●	●
Zoom Objective	0.7×-4.5×				●
	0.8×-5×		●
	1×-4×			●
	1×-4.5×	●
Auxiliary Objective	0.5×	○	○	○	○
	0.63×	○
	0.7×		○
	0.75×	○		○
	1.5×			○	○
	2×	○	○	○	○
Zoom Ratio	1:04			●
	01:04.5	●
	01:06.3		●
	01:06.5				●
Working Distance	82mm			●
	97mm	●
	100mm				●
	115mm		●
Transmitted Light	6V/ 20W Halogen Lamp	●	●
	12V/ 10W Halogen Lamp			●
	12V/ 15W Halogen Lamp				●
Incident Light	6V/ 15W Halogen lamp with reflector	●	●
	12V/ 10W Halogen lamp with reflector			●
	12V/ 15W Halogen lamp with reflector				●
Photo Attachment		○	○	○	○
Video Attachment		○	○	○	○

Note : ● Standard Outfit, ○ Optional