Refractor Optical Performance Results This page was translated from the Japanese site: http://homepage3.nifty.com/cz_telesco/refracter_test.htm LEFT IMAGE: Ronchi Test, Inside Focus CENTER IMAGE: Ronchi Test, Outside Focus RIGHT IMAGE: Level of Chromatic Aberration Zeiss C62/840 Telementor

Zeiss C80/500 achromat

Zeiss C 80/500

Mizar/Japan 80 mm F/8 2-Lens Fluorite Apo

Tele Vue 85 mm F/7 Apo

ADVIX 100 mm F/15 2-lens Achromat

Zeiss AS 100/1000 Semi-Apo

Vixen 102 mm F/9 , 2-Lens Fluorite Apo

Takahashi FS 102 mm F/8, 2-Lens Fluorite Apo

Takahashi 102 mm F/10 2-Lens Fluorite

William Optics ( Russian TMB Optik) , TMB 100/800 3-Lens SD Apo

William Optics FLT 110 ( TEC/USA 110 mm F/6.5 Triplet Apo )

Zeiss APQ 100 mm /640 3-Lens Fluorite Apo

Zeiss APQ 100 mm /640 3-Lens Fluorite Apo

Tele Vue 101 Petzval SD Apo, SDF Model

Tele Vue 101 mm F/540 mm Petzval Apo, NP 101

NIKON 100 mm F/12 ED Apo

Pentax SDP 105 mm F/6.4 , 4 Lens SD Apo

Pentax 105 SD F/9.2 , 2 Lens SD Apo

Pentax 125 mm F/6.4 SD Apo, 4 Lens

BORG 125 mm F/6.4 , 2-Lens Achromat

BORG 125 mm F/8 ED Apo, 2-Lens

Tele Vue NP 127 mm F/5.2, 4-Lens Petzval Apo

Tele Vue NP 127 mm F/5.2, 4-Lens Petzval Apo

Takahashi FS 128 F/8 , 2 Lens Fluorite Apo

Takahashi TOA 130 mm F/7.7, 3 Lens ED Apo

Zeiss APQ 130/1000 , 3-Lens Fluorite Apo

TEC Apo 140F/7, 3-Lens ED

China Achromat 150 mm F/750 , 2-Lens, Model Schwarz von Kasai

China Achromat 150 mm F/8 , 2-Lens, Model Schwarz von Kasai

Takahashi FS 152 F/8, 2 Lens Fluorite Apo

Takahashi FCT 150 mm F/7, 3-Lens Fluorite Apo

INTES MICRO 150 mm F/8 ED Apo, 2 Lens , ALTER A 608

Astrophysics/USA 155 mm F/7 EDF Apo, 3 Lens

Zeiss APQ 150/1200 , 3-Lens Fluorite Apo

Zeiss APQ 150/1200 , 3-Lens Fluorite Apo

Takahashi TOA 150 mm F/7.3, 3-Lens ED Apo

Astrophysics EDF 160 mm F/7.5, 3-Lens SD