Olympus PE 2.5X 125 Microscope Photo Eyepiece / Projection Lens 25.0mm (Rare) 1

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PE Eyepiece

This is the most recent range of photo eyepieces, designed for use with trinocular versions of Olympus compound microscopes that take the UIS and UIS-2 series of infinity-corrected objectives (including the AX, BX, CX, CKX, IX and MX series), and with trinocular versions of the Olympus SZX7, SZX9, SZX12 or SZX16 infinity-corrected stereo microscopes. They fit inside the circular dovetail at the top of the U-DPT, U-SPT, U-VPT, IX-SPT and IX2-SPT photo tubes.

The PE photo eyepieces are available with 2×, 2.5×, 3.3×, 4× and 5× magnifications; the 2.5× eyepiece is intended for use with 35 mm cameras.

PE 2.5× 3.3×
Length 55.2 mm
Diameter (top) 26.9 mm
Diameter (body) 24.8 mm
Weight 62.0 gm
Microscope ref. 2-U710 2-U720
037081
2-U730
037082
2-U740 2-U750
Film format Video or 16 mm cine 35 mm (24×36 mm) Polaroid Type 100 (3¼″×4¼″) Large format Large format
Magnification relative to 2× 1.25× 1.67× 2.5×
Magnification relative to 2.5× 0.8× 1.33× 1.6×

For digital and for 35 mm film, the picture magnification on the sensor or film is determined by the formula:

PE eyepiece power × objective power

The large format film camera backs include a relay lens, and the picture magnification on the film is determined by the formula:

3 × PE eyepiece power × objective power

The PE photo eyepieces are not suitable for use with the 160 mm and 210 mm objectives used on the BH-2 and earlier microscopes, nor are they suitable for use with the MSPlan and Neo SPlan infinity metallurgical objectives for the BH-2. They have a wider diameter than the FK and NFK photo eyepieces, so it is impossible to use them in the BH2-TR30 trinocular head or in the PM-ADF eyepiece adapter.


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