Product
Catalog 產品目錄
Zenith
Star 80ED APO DDG | Megrez 90ED APO DDG | GT-81 Triplet APO DDG
New
ZS 80ED DDG version 2吋10:1 Digital Display Guage 數位羽毛調焦座, 2" 電介膜天頂鏡,日本製ED玻璃, 2"轉1.25"轉接環,精美軟包 Standard package: 2" dielectric diagonal, 2" to 1.25" adapter, 10:1 feather touch focuser, soft carry case 附加配件 : 紅點對星器,像場修正鏡, 2" 攝 影套管(付42mm牙),延長管 Optional accessory: Red Dot finder, focal reducer/ field flattener, 2" M42 photo adapter, extension tube Zenith Star 80ED APO DDG HK$5,080 | RMB4,160 |
Zenith Star 80ED APO DDG standard package + 2" CF dielectric diagonal HK$5,480 | RMB4,490 |
|
日本製 ED 玻 璃 ,台灣CNC高精度鑄製 Japan lens |
Specification 規 格
Optical system 光學系統 |
ED doublet APO FPL-51 Japan glass | 二枚式折射鏡 日本鏡片 |
Effective aperture 有效口徑 |
80mm (3.1") |
Coating 光學鍍膜 |
Multi-coated special low dispersion | 多層SPECIAL DISPERSION低色散高級鍍膜 |
Focal length 焦 距 |
545mm(f/6.8) |
Focuser 對 焦 座 |
DDG
type 2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus,
focuser Travel Length 3.15" (80mm), 1.25" Adapter |
Field 像 場 |
Angle
adjuster device, 360 degree free rotate |
Resolution 解 像 力 |
1.45 arc second | 1.45秒角 |
Limiting magnitude 極限星等 |
11.3等 |
Field
Stops |
10 Baffles 10 光柵 |
Tube length 鏡筒長度 |
Approximate 430mm (dew shield fully retracted) 約430mm(遮光罩後縮狀態) |
Weight 重 量 |
2.8kg |
New
Megrez 90ED DDG version discontinued 已停產 標 準 配 件 : 2" 10: 1數位顯示式 (DDG) 羽毛調焦座, 日本FPL-53 ED玻璃,抱箍 (2個), 2"轉1.25"轉接環,精美軟包 Standard package: Japan FPL-53 ED glass, 2">1.25" adapter, 10:1 feather touch focuser, mounting rings, soft carry case 附加配件 : 紅點對星器,像場修正鏡, 2" 攝 影套管(付42mm牙),延長管 Optional accessory: Red Dot finder, focal reducer/ field flattener, 2" M42 photo adapter, extension tube |
discontinued 已停產 |
|
Japan
FPL-53 lens |
Optical
system 光學系統 |
ED doublet APO FPL-53 Japan glass 二枚式折射鏡 日本鏡片 |
Effective
aperture 有效口徑 |
90mm (3.5") |
Coating 光學鍍膜 |
Multi-coated
special low dispersion |
Focal
length 焦 距 |
558mm(f/6.2) |
Focuser 對 焦 座 |
DDG
type 2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus,
focuser Travel Length 3.15" (80mm), 1.25" Adapter |
Field 像 場 |
Angle
adjuster device, 360 degree free rotate |
Resolution 解 像 力 |
1.35
arc second |
Limiting
magnitude 極限星等 |
11.5等 |
Field
Stops |
2
knife edge baffles |
Tube
length 鏡筒長度 |
Approximate
435mm (dew shield fully retracted) |
Weight 重 量 |
3.35kg |
GT81ED TRIPLET APO DDG 日製 三枚玉FPL53鏡片, 攝影專用,色差接近零
SOLD OUT 已 售 馨 , 多 謝 支 持 discontinued 已停產