Mitutoyo Tube Lenses
Accessories and Adapters for Mitutoyo Objectives
• Camera Extension Tube Allows Integration of C-Mount Cameras
• Adapters Ease Integration of MT-1 and MT-2 Tube Lenses
• Connect with C-Mount or RMS Threaded Components
TECHSPEC® Accessories and Adapters for Mitutoyo Objectives *Requires Mitutoyo C-Mount Adapter #55-743
Objective Thread Adapters Tube Length Stock No. Price Accessory Tubes Notes Stock No. Price
Mitutoyo to C-Mount Adapter 10 mm #55-743 €38,50 MT-1/MT-2 C-Mount Adapter* Requires 190 mm of Tube Length on a C-Mount Camera #58-329 €175,00
Mitutoyo to RMS Adapter 14 mm #58-296 €85,00 MT-L/MT-L4 C-Mount Adapter* Requires 150 mm of Tube Length on a C-Mount Camera #66-027 €165,00
C-Mount Camera Extension Tube 152,5 mm #56-992 €149,00 Filter Holder Accepts 24,15-25,4 mm Dia. Filters #56-993 €80,00
Olympus, Nikon, and ZEISS Tube Lenses
USING TUBE LENSES WITH INFINITY CORRECTED OBJECTIVES
In order to create an image with an infinity corrected objective, a tube lens must be used to focus the image. One advantage to using an infinity corrected
objective with a tube lens is that there can be a space between the objective and tube lens. The space allows additional optical components to be inserted
into the system, such as filters or beamsplitters. The distance between the objective and the tube lens (L) can be varied, but this will affect the image field
diameter (Ø). Equations 1 and 2 are approximation formulas to determine the relation between Ø and L.
Equation 1: Ø1 (mm) = 2 x F1 x NA Equation 2: L (mm) =
(Ø2 - Ø1) x F2
Ø
Ø1 (mm) = exit pupil of the objective
Ø2 (mm) = entrance pupil of the tube lens
F1 (mm) = focal length of the objective
F2 (mm) = focal length of the tube lens
NA = Numerical Aperture of the objective
Shop www.edmundoptics.eu – latest pricing – availability – new products – over 34.000 items 293
EO infinite
conjugate objectives
Mitutoyo
objectives
Olympus
objectives
ZEISS
objectives
Nikon
objectives
video microscopes
& accessories
compact
objectives
finite conjugate
objectives
measuring &
stereo microscopes
microscopy
cameras
MT-L/MT-L4 Tube Lens
• MT-L Tube Lens for
NUV and NIR Objectives
• MT-L4 Tube Lens for
UV Objectives
• 1X Magnification
MT-2 Tube Lens
• Permits Introduction of
Beamsplitter
• Use #58-329 Accessory Tube
with #55-743
• 2X Magnification
MT-1 Tube Lens
• Permits Introduction of
Beamsplitter
• Use #58-329 Accessory Tube
with #55-743
• 1X Magnification
MT-4/MT-40 Tube Lens
• Use #56-992 or #55-743
Accessory Tubes
• Recommended to use MT-4 for
1-20X and MT-40 on >20X
Mitutoyo Tube Lenses
MT-4/MT-40 MT-1 MT-2 MT-L/MT-L4
Focal Length (mm): 200 200 400 200/200
Design Wavelength (nm): 436 - 656 436 - 656 436 - 656 355 - 1064/266 - 620
Image Formation Mag.: 1X 1X 2X 1X/1X
Image Circle Covered (mm): 30 (MT-4), 24 (MT-40) 30 (@L=76,5 mm) 30 (@L=76,5 mm) 24/24 (@L=134 mm)
Entrance Pupil Dia. (mm): 11,2 24 18 22/23
Dimensions = (Dia. x L) (mm): 34 x 27 (MT-4), 34 x 27,5 (MT-40) 40 x 32,5 40 x 32,0 35 x 32,0/35 x 30,6
Mounting: M26 x 36 TPI three 2,4 mm holes three 2,4 mm holes M32 x 0,5/M32 x 0,5
Stock No. / Price (MT-4) #54-428 €710,00 #54-774 €775,00 #56-863 €850,00 (MT-L) #56-073 €1.785,00
(MT-40) #83-911 €1.250,00 (MT-L4) #56-864 €3.650,00
Olympus, Nikon, and ZEISS Tube Lenses
Olympus U-TLU Tube Lens Olympus Wide Field Tube Lens Nikon Tube Lens ZEISS Tube Lens
Focal Length (mm): 180 180 200 164,5
Design Wavelength (nm): 400 - 700 400 - 700 400 - 700 380 - 700
Image Formation Mag.: 1X 1X 1X 1X
Image Circle Covered (mm): 22 26,5 26,5 25
Entrance Pupil Dia. (mm): 27 36 32 31,6
Dimensions = (Dia. x L) (mm): 60 x 56 45 x 33,6 36 x 29 40 x 12,8
Mounting: 41 mm Dovetail Mount M41 x 0,5 M38 x 0,5 M36 x 0,75
Stock No. / Price #86-835 €575,00 #36-401 €426,00 #58-520 €295,00 #13-828 €245,00
TECHNICAL NOTE
Example:
Using an M Plan APO 10X objective (#46-144), MT-1 tube lens (#54-774), and a 2/3" sensor camera, what is the maximum spacing between the tube lens
and objective without vignetting? The focal length of the objective (F1) is 20 mm and NA is 0,28, so the exit pupil diameter can be calculated:
Ø1 = 2 x 20 x 0,28 = 11,2 mm
A 2/3" image sensor features an 11 mm diagonal, therefore Ø needs to be at least 11 mm. The focal length of the MT-1 tube lens is 200 mm and the entrance
pupil diameter is 24 mm. Therefore, L = ((24 – 11,2) x 200)/11 = 232,7 mm
As long as the spacing between the tube lens and objective is less than 232,7 mm, there will be no vignetting.
/www.edmundoptics.eu
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/