150 mm (6”) F/8 R35-S

250 mm (9.8") F/11 R30

EVERY SINGLE ISTAR LENS IS INDEPENDENTLY TESTED TO ASSURE CONSISTENTLY HIGH QUALITY. WE USE TWO TEST METHODS, RONCHI, and INTERFEROMETER TEST (TESTED TWICE BY 90-DEGREE ROTATION TO OBTAIN THE MOST ACCURATE DATA).

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.

$1,349.00

150 mm (6”) F/8 R35-S

LNAN.150.080

ONLY 1 LENS AVAILABLE

Item Description

--

Lens Diameter

Clear Aperture

No of Elements

Focal Length

- -F-Ratio

Type of Coating

- -Fully Multicoated

Strehl Ratio

Weight (incl. cell)

Cell O.D.

HandFigured

Minimum Surface Quality

Achromatic R35 (Anastigmatic) Hand Figured Doublet in Push-Pull style cell

154 mm

150 mm

2

1166 mm (from center of last surface)

F/8

SiO2 Broadband Multilayer Film (Yellow-Green)

YES

0.93

3.03 Kg

192 mm

YES

PV/4

$7,650.00

250 mm (9.8") F/11 R30

LNAN.250.110

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

Achromatic R35 (Anastigmatic) Hand Figured Doublet in Push-Pull style cell

254 mm

250 mm

2

2712 mm

F/11

SiO2 Broadband Multilayer Film (Yellow)

YES

13.86 Kg

292 mm

YES

PV/4

PRE-ORDER NOW

Achromatic

H - Alpha "Solar"

R35 & R50 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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