Stemi 305 Boom Stereo Microscope

The Stemi 305 stereo microscope is mounted on a boom stand. This Greenough stereo microscope has a 5:1 zoom for industrial inspection and quality control.

Viewing Head: Binocular 45º inclined Greenough stereo microscope body. Viewing head rotates 360°. Interpupillary distance adjustment from 55mm - 75mm.
Detent: Click stops at 0.8x, 1x, 2x, 3x, 4x for repeatable measuring.
Eyepieces: Includes widefield 10x / 23mm focusing eyepieces. Eyepieces accept 26mm diameter reticle. 16x/14mm eyepieces are available and can be ordered below.
Objective Lenses:  Zoom range of 0.8x - 4x. 
Zoom Ratio:  5:1
Total Magnification:  8x - 40x. For alternate magnifications eyepieces can be changed and auxiliary lens added to stereo microscope. View magnification chart below for options. Maximum resolution 200 Lp/mm - 2.5µm.
Stand: Boom stand with square base. Horizontal post is 20.9" long, vertical post is 15" tall. A 8.9" extension post is available. Vertical post has a locking ring. Base dimensions are 11.2" x 32". Weight 48lb.
Working Distance: 110mm.
Focusing: Coarse focusing.
Illumination:  Includes ring light adapter and 4-quadrant LED ring light with 72 LED lights. The Stemi 305 has built-in near vertical illumination (NVI). However, with this setup if you wish to use NVI you will need to purchase the controller K LED.
Size & Weight: Boom stand has base dimensions of 11.2" x 32", vertical post is 15" tall, horizontal post is 20.9" long. Weight is 50lb.
Warranty: 1 year.

View the Stemi 305 Microscope Flyer

View the Stemi 305 Microscope Brochure

Auxiliary Lens	Working Distance	10x Eyepieces		16x Eyepieces
		Magnification	Field Size	Magnification	Field Size
1x (None)	110mm	8x - 40x	28.8mm - 5.8mm	12.8x - 64x	17.5mm - 3.5mm
0.5x	185mm	4x - 20x	57.5mm - 11.5mm	6.4x - 32x	35mm - 7mm
0.75x	128mm	6x - 30x	38.3mm - 7.7mm	9.6x - 48x	23.3mm - 4.7mm
1.5x	56mm	12x - 60x	19.2mm - 3.8mm	19.2x - 96x	11.7mm - 2.3mm
2.0x	43mm	16x - 80x	14.4mm - 2.9mm	25.6x - 128x	8.8mm - 1.8mm