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OUR ACHROMATIC DOUBLETS ARE DESIGNED WITH STANDARD CROWN AND FLINT OPTICAL GLASS AND PRODUCED TO STRICT QUALITY STANDARDS.
WE HAVE INCORPORATED SPECIAL HEAVY (SHORT) FLINT GLASS IN ALL R30, R35 AND R50 DOUBLET DESIGNS IN ORDER TO REDUCE CHROMATIC ABERRATION AND INCREASE RESOLUTION.
$1,895.00
150 mm (6") F/10 H-Alpha
LNHA.150.100
Item Description
-Lens Diameter
Clear Aperture
No of Elements
Focal Length
-F-Ratio
Type of Coating
-Fully Multicoated
Weight (incl. cell)
Cell O.D.
HandFigured
Minimum Surface Quality
H-Alpha Optimized, Hand Figured Doublet in Push-Pull Style Cell
154 mm
150 mm
2
1480 mm (from center of last surface)
F/10
SiO2 Broadband Multilayer Film (Yellow)
YES
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192 mm
YES
PV/4
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$5,966.00
228 mm (9") F/9 H-Alpha
LNHA.228.090
Item Description
-Lens Diameter
Clear Aperture
No of Elements
Focal Length
F-Ratio
Type of Coating
-Fully Multicoated
Weight (incl. cell)
Cell O.D.
HandFigured
Minimum Surface Quality
H-Alpha Optimized, Hand Figured Doublet in Push-Pull Style Cell
234 mm
228 mm
2
2025 mm
F/9
SiO2 Broadband Multilayer Film (Yellow)
YES
---
---
YES
PV/4
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$10,152.00
250 mm (10") F/10 H-Alpha
LNHA.250.100
Item Description
-Lens Diameter
Clear Aperture
No of Elements
Focal Length
F-Ratio
Type of Coating
-Fully Multicoated
Weight (incl. cell)
Cell O.D.
HandFigured
Minimum Surface Quality
H-Alpha Optimized, Hand Figured Doublet in Push-Pull Style Cell
256 mm
250 mm
2
2500 mm
F/10
SiO2 Broadband Multilayer Film (Yellow)
YES
12.5 Kg
292 mm
YES
PV/4
OUT OF STOCK
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Achromatic
H - Alpha "Solar"
R30 & R35 Anastigmatic
Apochromatic (APO)
OBJECTIVE LENSES
Each international customer is responsible for paying local taxes and fees! We ship from Tucson, Arizona, USA so only US customers (excluding Arizona residents) will receive their items tax free. Contact your local customs authorities before ordering.
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