Name: 25mm Dia. x 35mm FL, 3 - 5μm Coated, Si Plano-Convex Lens
Brand: TECHSPEC
SKU: 69-684
Price: €310,00

25mm Dia. x 35mm FL, 3 - 5μm Coated, Si Plano-Convex Lens

Diameter (mm):

25.00 +0.0/-0.1

Effective Focal Length EFL (mm):

35.00 @ 10.6μm

Back Focal Length BFL (mm):

34.12

Coating:

BBAR (3000-5000nm)

Coating Specification:

R_avg <3.0% @ 3 - 5μm

Silicon (Si)

Surface Quality:

60-40

Power (P-V) @ 632.8nm:

2λ

Irregularity (P-V) @ 632.8nm:

λ/2

Centering (arcmin):

Center Thickness CT (mm):

3.00 ±0.10

Edge Thickness ET (mm):

2.07

Radius R₁ (mm):

84.62

Clear Aperture CA (mm):

f/#:

1.4

Numerical Aperture NA:

0.36

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Wavelength Range (nm):

3000 - 5000

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 233:

Compliant

Product Family Description

Wavelength Range of 1.2 - 7μm
Low Density and Dispersion
Focal Lengths of 25 – 250mm Available
Additional Infrared Lenses Available in Popular Substrates

Our TECHSPEC® Silicon Plano-Convex (PCX) Lenses feature precision polished surfaces, making them ideal for a variety of infrared applications, including Near-Infrared (NIR) imaging, and infrared spectroscopy. Available in a variety of focal lengths from f/1 thru f/10, the lenses are offered uncoated or broadband anti-reflection coated. For more information on Silicon properties, please review our guide to selecting The Correct Material for Infrared (IR) Applications.

Title	Type	Stock Number	Price	Buy
25/25.4mm Diameter, C-Mount Thin Optic Mount	Fixed	#56-353	€89,10 Qty 5+ €79,00 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., X-Y Translating Optic Mount	Adjustable - Linear (XY)	#62-956	€253,00 Qty 5+ €240,40 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., X-Y-Z Translating Optic Mount	Adjustable - Linear (XYZ)	#62-959	€496,00 Qty 5+ €446,40 Request Quote	3-4 days ×
25.0mm Optic Dia., Optic Mount	Fixed	#64-560	€44,00 Qty 10+ €39,60 Request Quote	Contact Us ×
25.0/25.4mm Optic Dia., L-Slot Direct Mount	Fixed	#36-410	€63,00 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., L-Slot and Rotation Direct Mount	Adjustable - Rotary	#36-411	€91,00 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., Side Flange Direct Mount	Fixed	#36-414	€63,00 Request Quote	3-4 days ×
25mm Thin Inner Pair Optic Mounts	Fixed	#11-052	€61,00 Qty 5+ €57,00 Request Quote	3-4 days ×
25mm Thick Inner Pair Optic Mounts	Fixed	#11-054	€61,00 Qty 5+ €57,00 Request Quote	3-4 days ×
25mm Thin Inner Single Optic Mount	Fixed	#38-755	€31,00 Qty 5+ €29,80 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4	Fixed	#13-787	€19,00 Qty 5+ €18,10 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32	Fixed	#13-788	€19,00 Qty 5+ €18,10 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., 5 Axes Optical Mount	Adjustable - Linear (XYZ) & Tip-Tilt	#13-776	€691,00 Qty 5+ €656,60 Request Quote	3-4 days ×