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    NEW MEGREZ 90           
                     
Photography | Bird-watching | Star observation
 
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William Optics New Megrez 90 APO

Lens Japan made

Price at page bottom

Stock available

Megrez 90 APO with soft bag, mounting rings HK$6,980
SPECIAL PRICE

 

 

Specification  

Optical system
光學系統

ED doublet APO ED APO二枚式折射鏡

Effective aperture/focal length
有效口徑/ 焦 距/ 焦 比

90mm/621mm f/6.9

Coating
光學鍍膜

STM coatings  
多層S T M 低色散高級鍍膜

Objective Type

FPL-53, Air Spaced, Fully Multi-Coated, STM coatings

Linear Focuser
對 焦 座

2" 360° Rotating Camera-angle Adjuster, dual speed 1:10 fine focus
2吋1:10 360° 羽毛調焦磨擦式快速對焦座

Field stops

2 knife-edge baffles
刀削光柵兩個

Resolution
解 像 力

1.35 arc second
1.35秒角

Limiting magnitude
極限星等

11.5等

Closest focus
最近對焦

5m (with extension tueb 3m)
5m(加延長管可達3m)

Tube length
鏡筒長度

435mm (dew shield fully retracted)
約385mm(遮光罩後縮狀態)

Weight 
重  量

3.3kg

 

Our Best Price
1. Megrez 90 OTA w/2" power linear 2 speed focuser, 2">1.25" adapter, mounting rings, carry bag: HK$6,980.00
2. Megrez 90 OTA w/2" power linear 2 speed focuser, 2" dielectric diagonal, 2">1.25" adapter, mounting rings, carry bag: HK$7,500.00
3. Megrez 90 OTA w/2" power linear 2 speed focuser, 2" dielectric diagonal, red dot finder, 2">1.25" adapter, mounting rings, carry bag: HK$7,980.00


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