228mm (9") F/9

150mm (6") F/10

250mm (10") F/10

(LNHA.150.100)

150 mm (6") F/10 H-Alpha

$948.00

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

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

0.981

---

192 mm

YES

PV/4

(LNHA.228.090)

228mm (9") F/9 H-Alpha

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

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

0.979

---

---

YES

PV/4

$4,580.00

(LNHA.228.100)

250mm (10") F/10 H-Alpha

$9,977.00

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

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