Olympus Objective

Most info in this table from [Objective designations]

Sample image	Series	Description	Thread	Tube length (mm)	Parafocal distance (mm)	Mag	Notes
		Blank	RMS	160	36.65
	A	A	RMS	160	45
	Apo	Apo	RMS	160	36.65
	C	C	RMS	160	36.65
	CPL	CPL	RMS	160	36.65
	DApo	DApo	RMS	160	45
	DPlan	DPlan	RMS	160	45
	DPlan	DPlanApo	RMS	160	45
	EA	EA	RMS	160	45
	FL	FL	RMS	160	36.65
	LWDC	LWDC	RMS	160	36.65
	LWDCA	LWDCA	RMS	160	45
	CDPlan	LWDCDPlan	RMS	160	45
	LWDCPlan	LWDCPlan	RMS	160	36.65
	LWDMPlan	LWDMPlan	RMS	210	36.65
	MSPlan	LWDMSPlan	RMS	∞ f=180	45
	MSPlan	LWDMSPlanApo	RMS	∞ f=180	45
	NeoSPlan	LWDNeoSPlanApo	M26	∞ f=180	45
	M	M	RMS	210	36.65
	MA	MA	RMS	∞ f=180	45
	MDPlan	MDPlan	RMS	∞ f=180	45
	MNH	MNH	RMS	210	36.65
	MNM	MNM	RMS	210	36.65
	MPL	MPL	RMS	210	36.65
	MPlan	MPlan	RMS	210	36.65
	MPLL	MPLL	RMS	210	36.65
	MPO	MPO	RMS	210	36.65
	MSPlan	MSPlan	RMS	∞ f=180	45
	MSPlan	MSPlanApo	RMS	∞ f=180	45
	MUVFL	MUVFL	M26	∞ f=180	45
	NCDPlanFL	NCDPlanFL	RMS	160	45
	NCSPlan	NCSPlan	RMS	160	45
	NCSPlan	NCSPlanApo	RMS	160	45
	NCUVFL	NCUVFL	RMS	160	45
	NDA	NDA	RMS	160	45
	NEA	NEA	RMS	160	45
	Neo	Neo	M25	210	36.65
	NeoDPlan	NeoDPlan	M26	∞ f=180	45
	NeoPlan	NeoPlan	M25	210	36.65
	NeoSPlan	NeoSPlan	M26	∞ f=180	45
	NH	NH	RMS	160	36.65
	NM	NM	RMS	160	36.65
	PL	PL	RMS	160	36.65
	Plan	Plan	RMS	160	36.65
	Plan	PlanApo	RMS	160	36.65
	Plan	PlanPL	RMS	160	36.65
	PLL	PLL	RMS	160	36.65
	PO	PO	RMS	160	36.65
	PS	PS	RMS	160	36.65
	SPlan	SPlan	RMS	160	45
	SPlan	SPlanApo	RMS	160	45
	SPlan	SPlanFL	RMS	160	45
	CDPlan	ULWDCDPlan	RMS	160	45
	MIRPlan	ULWDMIRPlan	RMS	∞ f=180	45
	MSPlan	ULWDMSPlan	RMS	∞ f=180	45
	NeoSPlan	ULWDNeoSPlan	M26	∞ f=180	45
	UVFL	UVFL	RMS	160	45
	WIMSPlan	WIMSPlanApo	RMS	∞ f=180	45
	WPlan	WPlan	RMS	160	45
	WPlan	WPlanApo	RMS	160	45
	WPlan	WPlanFL	RMS	160	45

Where:

• • Mag: magnification range availible
  • SF: strain free (ie DIC, POL/polarizing, etc)
  • RMS: Royal Microscope Society (RMS) 0.8" diameter x 36 thread-per-inch (TPI)
  • M25: 25 mm diameter
  • M26: 26 MM diameter

References

1. 1. Objective designations for BH and BH-2 microscopes [Objective designations]: http://www.alanwood.net/photography/olympus/microscope-objectives.html]]