天文一年级 发表于 2006-7-11 13:16

景德七月新镜“Megrez 90 APO”

Aperture 90 mm
Focal Ratio F/6.9
Focal Length 621mm
Objective Type Doublet FPL-53 Air Spaced
Resolving Power 1.05"
Limiting Magnitude 12.0
Lens Shade Retractable
Focuser 360° Rotating Camera-angle Adjuster
1:10 Dual speed fine focus
1.25" Adapter Included
1.25" Adapter Brass Compression Rings
Tube Diameter 90 mm  
Tube Length Fully Retracted 450 mm  
Tube Weight 7.1 lbs. (3.2 kg)
Case High Quality Aluminum Case
Case Dimensions
(WxHxD) 23.2" x 8.3" x 7.1"
(59cm x 21cm x 18cm)

Case Weight 3.8 kg

honglinraymondy 发表于 2006-7-11 14:36

D=太小

Alone狼 发表于 2006-7-11 15:58

看起來還不錯，不知道鏡頭是哪裏生産的？

天文一年级 发表于 2006-7-11 16:04

Highly precise CNC machined lens cell.

Doublet air spaced f/6.9 lens, in adjustable lens cell. Highest-quality coatings, STM coated.


from:
http://www.william-optics.com/wowebs/prod_tel/m90apo/features1.htm

月儿圆兔儿肥 发表于 2006-7-12 08:56

都是英文，不在国内销售？

liukejin 发表于 2006-7-12 10:58

FLT-110 APO降价了！以往是2.938万元，现在是2798美圆=2.238万RMB。

Alone狼 发表于 2006-7-12 12:24

呵呵~~降了不少。。。不過我對tec的鏡頭的消色差情況並不感到滿意。
页: [1]
查看完整版本: 景德七月新镜“Megrez 90 APO”