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National Optical 440-440p Zoom Binocular Stereo Microscope (plain Base)

Product Code: ga137637
Availability: In Stock

$2,565.00 $3,283.20

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Description
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The 440-440P Zoom Binocular Stereo Microscope with plain base from National Optical is a professional-quality stereo microscope for industrial and educational settings. The 0.75-4.5x eyepieces combine with the 10x objective for a magnification range of 7.5-45x, and the overall height adjusts 13.4-17" to accommodate larger objects. The large zoom ratio of 6:1 and a standard working distance of 110mm provide the flexibility to support a large number of potential applications while the addition of an auxiliary lens or substitute eyepieces extend the magnification up to a maximum of 180x.

0.75-4.5x Inclined Stereo Eyepieces 10x Objective 360° Rotating Viewing Head

Key Specs
Microscope Type	Compound
Head	Inclined, 360° Rotating Binocular
Optical Magnification	7.5 to 45x
Objective	10x
Eyepiece	0.75 to 4.5x Wide Field
Working Distance	4.3" / 110 mm
Parameters
Head	Inclined, 360° Rotating Binocular
Diopter Correction	Yes
Imaging
Optical Magnification	7.5 to 45x
Objective	10x
Eyepiece	0.75 to 4.5x Wide Field
Working Distance	4.3" / 110 mm
General
Interpupillary Adjustment	55 to 75 mm / 2.2 to 3"
Dimensions	17 x 9.5 x 6.7" / 433 x 242 x 171 mm (Specimen Stage)
Weight	12 lb / 5.4 kg

Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55-75mm
Accepts 23mm eyepiece reticle
Viewing head rotates 360°
Continuous magnification 7.5-45x
Large dual focusing knobs with slip clutch to prevent damage to mechanism
Tension adjustment eliminates focus 'drift'

Professional all-metal frame, gray enamel finish
Heavy-duty post mount with locking support collar permits up or down adjustment of viewing head to accommodate different sized objects on stage
Height adjusts 13.4-17" for larger objects

Related Questions and Answers

Q: 1. Is this sennheiser microphone compatible with Sony FDR-AX33 4K Ultra HD Handycam Camcorder?

A: The Sennheiser MKE-440 is compatible with the Sony FDR-AX33 camcorder. A couple of adapters are needed nonetheless; #SOVCTCSM1 and # VECS20.

Q: 2. Will this work for day time viewing correct up and down and right to left orientation?

A: Yes this should work during the daytime, as long as you have a diagonal to invert the image right side up.

Q: 3. Does this microscope use prisms or mirrors? Are the objectives DIN compatible?

A: The 44132 uses prisms, and the objectives are DIN compatible.

Q: 4. Will this work with the Leica SL2S? thanks.

A: Yes, The MKE440 will work with the Leica SL2-S.

Q: 5. Messrs, is the Sennheiser MKE 440 Compact compatible with the Sony FDR-AX33 4K Ultra HD Handycam Camcorder?

A: It is possible to venture outside of the Sony microphone lineup provided you use a couple of adapters; #SOVCTCSM1 and # VECS20.

Q: 6. What is the minimum IPD?

A: 54mm (2.13 inches)

Q: 7. camera?

A: This microscope does not come with a Camera Built In.

Q: 8. Is the Sennheiser MKE 440 Stereo Shotgun compatible with JVC's ProHD GY HMZ camcorder line?

A: Yes. This mic will connect to the stereo 3.5mm input of the camcorder.

Q: 9. Is there a way to convert this 1/8 stereo plug to (2) XLR plugs to run into a Zoom f3?

A: BH #AL130 can be used to adapt the Sennheiser MKE 440's output to dual XLR.

Q: 10. Shipment to sweden?

A: There are currently no shipping methods available to Sweden for the Celestron Stereo Binocular Viewer.

Jawwad	11/09/2024
I used this mic for extensive testing at different condtions. In the room with one person giving interview. Audio recorded in 4 different ways by taking retakes. In all recordings there was no low cut filter. 1) mic directly attach with 35mm jack to Fuji XT1 Camera. Mic (MKE-440) setting 0db & in camera mic senstivity level 3.This gives 48khz @ 16bit sound file in 'Adobe Audition' (if you load video file .MOV directly in 'Audition'). Audio average at -16db. Need +3db gain in Audition. 2) mic with ' Alzo stereo microphone XLR Adapter Cord for pro camcoders B&H# AL130' to Tascam DR 100 Mk ii audio recorder (B&H# TADR100MKII) using its two XLR inputs (L & R channel). In Tascam recorder audio is 48khz @ 24bit. Sound average at -16db. Senheiser mic senstivity +12db & Tascam pre-amps at 'Medium' satting with analog gain to full (10db). 3) on camera voice was useless. 4) Tascam stereo mic gives -24db voice. Conclusion: in terms of sound quality of the situation 1& 2 above no difference. Only difference on camera (Fuji XT1) record 16bit@48khz & Dedicated recorder (Tascam mkii) records 24bit@48khz. Background noise of AC running was same. Birds noise outside window was masked down at least 12db (as compared to cases 3 & 4) - which is good. MkE-440 Pre-Amps are very good - I say it is real +12db. Other 'senheiser ew 112 system' only gives +6db (pre-amp) and that is single channel (mono). With this mic (MKE-440) both on camera & consumer level audio recorders (with XLR inputs) can produce high quality sound (broadcast level) at 24bit@48khz with average at -12db with peaks at -3db.In the Audio recorder with XLR input make sure you turn off 'Phantom Power'. I suggest Senheiser must put some safety in the mic if someone attach accidently this to XLR (as my case-2 above) with phantom power on this mic should not burn. 5