<PAGE>   1
                                                                  EXHIBIT 10.8.3


                          CORPORATE SERVICES AGREEMENT
                          ----------------------------



This Agreement is dated as of December 2, 1996, between Media 100 Inc. (f/k/a
Data Translation, Inc.), a Delaware corporation ("Parent"), and Data
Translation, Inc. (f/k/a Data Translation II, Inc.), a Delaware corporation
("Sub").

WHEREAS, Parent and Sub have entered into a Distribution Agreement dated as of
November 19, 1996 (the "Distribution Agreement"), pursuant to which Parent is
assigning and transferring to Sub certain businesses and assets associated with
Parent's data acquisition and imaging, commercial products and networking
distribution businesses in exchange for the assumption by Sub of certain
liabilities and obligations associated with such businesses and the issuance by
Sub to Parent of shares of Sub common stock on such terms and conditions as are
contained therein; and

WHEREAS, on November 15, 1996 the Board of Directors of Parent declared a
dividend of all outstanding shares of Sub to the holders of record of the
outstanding common stock of Parent, such dividend to be made on December 2, 1996
(the "Distribution Date"); and

WHEREAS, the Distribution Agreement provides that Parent and Sub shall enter
into an agreement relating to certain transition services to be provided by Sub
to Parent with respect to Parent's retained business after the Distribution
Date, and this Agreement is entered into in order to fulfill that provision;

NOW, THEREFORE, in consideration of the foregoing and the other agreements and
covenants contained herein, and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

SECTION 1      SERVICES TO BE PROVIDED.
               -----------------------

SECTION 1.1    TYPES OF SERVICES. During the term of this Agreement, Sub agrees
to provide or to cause to be provided to Parent, and Parent agrees to purchase
from Sub, on the terms provided herein the services described in Schedule A
hereto (collectively, the "Services").

SECTION 1.2    ADDITIONAL SERVICES. During a period of transition following the
Distribution Date, Parent may request that Sub provide additional administrative
and support services to Parent until it is able to otherwise contract or arrange
for such services. Upon a request for such additional services, Parent and Sub
shall negotiate in good faith as to the scope of such services and the terms and
conditions under which such services may be provided; provided that, unless
otherwise agreed to by the parties, such services will be provided only to the
extent, and on a basis comparable to that provided by Sub with respect to its
own operations. A brief description of any mutually agreed-upon additional
services to be provided will be added to Schedule A, and such additional
services will be deemed to be a "Service" for all purposes under this Agreement
unless expressly stated otherwise in such Schedule.



<PAGE>   2


SECTION 1.3    SCOPE OF SERVICES. Each Service furnished pursuant to this 
Agreement shall be in all material respects equivalent to and limited to the
same type, quality, quantity and timeliness of such service that Sub provides to
its own organization and personnel, and to those of its other divisions. Parent
acknowledges that such Services will be performed by those employees of Sub who
perform similar services for Sub in the normal course of their employment.
Accordingly, Sub shall not be obligated to make available any incremental
Services to the extent that doing so would unreasonably interfere with the
performance of any employee of Sub in connection with his or her
responsibilities to Sub, require additional staff or otherwise cause an
unreasonable burden to Sub. Duly authorized agents of Sub shall have the right
to enter the premises of Parent to the extent reasonably necessary or convenient
to provide the Services.


If Sub ceases to provide any of the Services to its own business units or if the
level of such Services is reduced for any reason, Sub may also cease to provide
or reduce the level of such Services provided to Parent under this Agreement. In
the event of any substantial reduction or a substantial increase or other
material change in the level or scope of any of the Services required by Parent
during the term of this Agreement, the parties agree to negotiate in good faith
an equitable adjustment of the fee payable therefor. Sub agrees to provide
Parent as promptly as practicable notice of any substantial change in the level
of such Services provided under this Agreement, but in no event shall Sub
provide less than thirty (30) days advance notice of such date of any service
discontinuance.

SECTION 2      CHARGES AND PAYMENTS.
               --------------------

SECTION 2.1    CHARGES FOR SERVICES. It is the intention of the parties hereto 
that the charges for Services to be provided pursuant to this Agreement shall be
determined and allocated according to methods consistent with past practices and
procedures observed by Parent prior to the Distribution Date concerning
intercompany services and accounts, with a view in every case toward providing
Sub with a reimbursement of fully allocated direct and indirect costs of
providing Services but without any profit to Sub, or as may otherwise be
mutually agreed upon by the parties. Charges for each Service shall be
determined on a monthly basis. With respect to any Services which are provided
for a period which is less than a full calendar month, or where the scope of
such services is changed in accordance with Section 1.3 during such period, the
charges with respect to such Service shall be appropriately pro-rated.

SECTION 2.2    PAYMENTS FOR SERVICES. As soon as practicable, but in no event 
more than fifteen (15) days, following the last business day of a calendar month
during which this Agreement is in effect, Sub shall submit to Parent a written
invoice for the aggregate amount to be charged to Parent for Services rendered
during the just completed month; provided that each such invoice shall indicate
the amount of charges being assessed for each Service provided and shall include
such documentation as is reasonably necessary to substantiate such amounts.
Parent shall pay to Sub the invoiced amount within thirty (30) days after
receipt of an invoice.




                                       2
<PAGE>   3

Whenever the provision of any Service pursuant to this Agreement is terminated
for any reason, Sub shall, as promptly as practicable, but in no event more than
fifteen (15) business days, after the termination of such Service, submit to
Parent a written invoice for the aggregate amount still owed to Sub with respect
to such Service, together with such documentation as is reasonably necessary to
substantiate such amounts. Parent shall pay to Sub the invoiced amount within
thirty (30) days after receipt of an invoice.

SECTION 2.3    TAXES OR OTHER GOVERNMENTAL CHARGES. All federal, state and local
taxes, charges, fees and similar liabilities, except taxes based on Sub's net
income, which are levied on either party in connection with the provision of any
Services hereunder, shall be for Parent's account and paid directly by Parent
or, if required to be paid by Sub, shall be added to the next invoice. Sub shall
provide Parent with evidence of the payment of any such taxes by Sub with such
invoice.

SECTION 2.4    OUT-OF-POCKET/DIRECT EXPENSES. Parent agrees to pay directly or 
to reimburse Sub for all reasonable out-of-pocket and direct expenses incurred
by Sub in respect of the provision of any Services, including all reasonable
expenses for outside accounting, legal, recruiting, consulting, marketing and
other professional services. All payments or reimbursements to be made under
this Section 2.4 by Parent shall, except as otherwise provided herein, be made
not later than thirty (30) days following receipt by Parent of an invoice
therefor.

SECTION 3      INDEPENDENT CONTRACTOR STATUS.
               -----------------------------

In carrying out the provisions of this Agreement, each party is and shall be
deemed to be for all purposes separate and independent entities. Sub shall
select its employees and agents, and such employees and agents shall be under
the exclusive and complete supervision and control of Sub. Sub hereby
acknowledges responsibility for full payment of wages and other compensation to
all employees and agents engaged in the performance of the Services hereunder.
It is the express intent of this Agreement that Sub shall render and perform the
Services as an independent contractor in accordance with its own standards,
subject to its compliance with the provisions of this Agreement.

SECTION 4      LIMITED LIABILITY; INDEMNIFICATION.
               ----------------------------------

SECTION 4.1    LIMITED LIABILITY. Neither party shall be liable to the other 
party for any special, indirect, incidental, exemplary or consequential damages,
or for loss of profits or revenues, whether arising in contract, tort (including
negligence), under any warranty or otherwise, arising out of its performance or
non-performance under this Agreement or the termination of this Agreement, even
if Parent or Sub, as the case may be, has been advised of the possibilities of
such damages.

SECTION 4.2    DISCLAIMER OF WARRANTY. SUB MAKES NO REPRESENTATIONS OR 
WARRANTIES WHATSOEVER, EXPRESS OR IMPLIED, WITH RESPECT TO THE SERVICES TO BE
PROVIDED BY IT UNDER THIS AGREEMENT. In the event the performance or
non-performance of any Service to be provided hereunder results in direct




                                       3
<PAGE>   4

damages to Parent, Sub shall be liable only to the extent such performance or
non-performance was the result of Sub's gross negligence or willful misconduct,
and Sub's maximum, cumulative and sole liability to Parent for such direct
damages shall be limited to an amount up to the aggregate amount actually paid
by Parent to Sub for such Service up to the date of the performance or
non-performance giving rise to the direct damages. Parent acknowledges that such
payment constitutes fair and reasonable compensation for any direct damages.
Notice of any claim for direct damages must be made within one (1) year of the
date of the event giving rise to such claim and such claim must specify the
damage amount claimed and a description of the Service and the act or omission
giving rise to the claim.

SECTION 4.3    INDEMNIFICATION. Parent hereunder agrees to indemnify and hold
harmless Sub, its directors, officers, employees, agents, representatives,
shareholders, transferees, successors and assigns against any claims, actions,
demands, judgments, losses, costs, expenses, damages and liabilities (including
reasonable attorneys' fees and disbursements) related to or arising out of or
connected with such Services, regardless of the legal theory asserted. The
foregoing indemnity applies to claims, actions and demands for which Sub may be,
or may be claimed to be, partially or solely liable; provided that the foregoing
indemnity will not apply with respect to any claim for direct damages asserted
by Parent against Sub as provided in Section 4.2 above.

SECTION 5      TERM OF AGREEMENT.
               -----------------

SECTION 5.1    TERM. This Agreement shall become effective on the Distribution 
Date and shall remain in effect until the earlier of (a) the discontinuance or
termination of all Services to be provided hereunder in accordance with the
terms of this Agreement and (b) December 31, 1997.

SECTION 5.2    DISCONTINUATION OR TERMINATION OF SERVICES. Parent may 
discontinue its use of any such Service upon written notice given to Sub not
less than thirty (30) days prior to the proposed date of service discontinuance.
In addition, upon the occurrence and continuance of a default by either party in
connection with the provision of, or payment for, any Service hereunder for a
period of ten (10) days after written notice thereof has been given to the
defaulting party, the non-defaulting party may terminate such Service and shall
have no further obligation to the other party with respect thereto.
Notwithstanding any termination of this Agreement or any Services to be provided
hereunder, the provisions of Sections 2 and 4 shall remain in effect
indefinitely or until such time as the obligations of both parties hereunder
shall have been fully discharged.

Once a Service is discontinued or terminated in accordance with the terms of
this Agreement, Sub shall not again be obligated to later reinstate such
Service; provided, however, that to the extent Sub is thereafter requested to
provide any discontinued or terminated Service to Parent, including any
transition-related assistance necessary for any other organization to perform
the discontinued or terminated Service, and Sub consents to provide such
Service, Sub shall be entitled to compensation reflecting incurred costs with
respect thereto.




                                       4
<PAGE>   5

SECTION 6      MISCELLANEOUS.
               -------------

SECTION 6.1    FORCE MAJEURE. Anything contained in this Agreement to the 
contrary notwithstanding, Sub's performance of its duties and obligations
hereunder shall be excused to the extent that failure of performance is caused
by any act of force majeure, including but not limited to acts of God or the
public enemy, acts of the government in its sovereign capacity, fires, floods,
epidemics, quarantine restrictions, freight embargoes, strikes, unusually severe
weather, sabotage or any other or similar event or casualty beyond the
reasonable control of Sub; provided that Parent shall not be obligated to pay
such party for such Services to the extent that Sub is unable to perform as a
result of a force majeure condition. Sub shall promptly notify Parent of such
events and make every reasonable effort to restore such Services.
Notwithstanding the foregoing, Parent shall be responsible for making its own
alternative arrangements with respect to interrupted Services during the
pendency of any force majeure condition.

SECTION 6.2    ACCESS TO INFORMATION; CONFIDENTIALITY. The provisions of the
Distribution Agreement relating to the access to information and confidentiality
shall apply with respect to any information obtained or learned by either party
from the other party in connection with the parties' performance of their
respective obligations hereunder. This Section shall survive the termination of
this Agreement.

SECTION 6.3    DISPUTE RESOLUTION. All disputes, controversies or claims between
Parent and Sub arising out of or relating to this Agreement, including without
limitation the breach, interpretation or validity of any term or condition
hereof, shall be resolved in accordance with the provisions of the Distribution
Agreement relating to dispute resolution.

SECTION 6.4    AMENDMENT AND WAIVER. No amendment of any provision of this
Agreement shall in any event be effective unless the same shall be in writing
and signed by the parties hereto. Any failure of any party to comply with any
obligation, agreement or condition hereunder may only be waived in writing by
the other party but such waiver shall not operate as a waiver of, or estoppel
with respect to, any subsequent or other failure. No failure by any party to
take any action against any breach of this Agreement or default by the other
party shall constitute a waiver of such party's right to enforce any provisions
hereof or to take any such action.

SECTION 6.5    NOTICES. Any notice to any party hereto given pursuant to this
Agreement shall be in writing and shall be given by the means, and to the
addresses, set forth in the "Notices" section of the Distribution Agreement.

SECTION 6.6    SUCCESSORS AND ASSIGNS. This Agreement shall inure to the benefit
of, and be binding upon and enforceable against the respective successors and
assigns of the parties hereto, provided that this Agreement may not be assigned
by either party without the prior written consent of the other party, and any
attempt to assign any rights or obligations hereunder without such consent shall
be void.




                                       5
<PAGE>   6

SECTION 6.7    ENTIRE AGREEMENT; PARTIES IN INTEREST. This Agreement (including
the Schedules hereto and the provisions of the Distribution Agreement
incorporated herein by reference) comprises the entire agreement between the
parties hereto as to the subject matter hereof and supersedes all prior
agreements and understandings between them relating thereto and, except as
provided Section 4.3, is not intended to confer upon any person other than the
parties hereto (including their successors and permitted assigns) any rights or
remedies hereunder.

SECTION 6.8    SEVERABILITY. If any term or provision of this Agreement or the
application thereof to any person or circumstance shall to any extent be invalid
or unenforceable, the remainder of this Agreement or the application of such
terms or provisions to persons or circumstances other than those as to which it
is invalid or unenforceable shall not be affected thereby and each term and
provision of this Agreement shall be valid and enforced to the fullest extent
permitted by law.

SECTION 6.9    CAPTIONS.  Captions and headings are supplied herein for 
convenience only and shall not be deemed a part of this Agreement for any
purpose.

SECTION 6.10   GOVERNING LAW. This Agreement shall be governed by and construed
in accordance with the internal substantive laws of the Commonwealth of
Massachusetts, without giving effect to the principles of conflicts of laws
thereof.

SECTION 6.11   COUNTERPARTS. This Agreement may be executed in several
counterparts, and all counterparts so executed shall constitute one agreement,
binding upon the parties hereto, notwithstanding that the parties are not
signatory to the same counterpart.

IN WITNESS WHEREOF, Parent and Sub have caused this Agreement to be duly
executed by their authorized representatives as an agreement under seal, all as
of the day and year first written above.


MEDIA 100 INC.


By: /s/ John A. Molinari
    ----------------------------------------
Name:  John A. Molinari
Title: President and Chief Executive Officer


DATA TRANSLATION, INC.


By: /s/ Alfred A. Molinari, Jr.
    ----------------------------------------
Name:  Alfred A. Molinari, Jr.
Title: Chairman and Chief Executive Officer









                                       6
<PAGE>   7



                                   SCHEDULE A
                                       TO
                          CORPORATE SERVICES AGREEMENT
                                     BETWEEN
                    MEDIA 100 INC. AND DATA TRANSLATION, INC.



1.   Accounting and Finance:
     ----------------------

     Cost accounting - tracking of inventory accounts (record work order
     variances, purchase order variances, material transactions and consignment
     usage; reclassify no charge items; verify scrap costs; record closed for
     manufacturing work orders; reclassify direct labor from indirect labor -
     assembly and test; and standards revaluation); Accounts payable (track, pay
     and file invoices); Payroll (maintain payroll function and train new
     personnel)

2.   Information Systems Service and Support:
     ---------------------------------------

     VAX hardware, software support services, Net connections, dial-in access,
     back-ups; Intervoice IVR use, maintenance; offsite storage; Internet
     connectivity; use of telephone system, installation of telephones and voice
     mail and related maintenance and support; e-mail systems support and
     maintenance

3.   Purchasing Support (Dept. 423):
     ------------------------------

     Provide procurement and delivery for all Media 100 materials and equipment,
     including manufacturing inventory, capital equipment and miscellaneous
     support items; maintain all corporate agreements and follow-up corrective
     actions with outside suppliers; identify and execute cost reduction
     opportunities

4.   Material Planning (Dept. 428):
     -----------------------------

     Provide forecasting and planning support for Media 100 materials and
     manufacturing, including loading material forecasts into MRP, verifying
     material availability, reviewing ECO's for material impact and periodically
     programming parts


5.   Mail, Shipping and Receiving, Invoicing (Dept. 428):
     ---------------------------------------------------

     Provide shipping and receiving support for all Media 100 material including
     manufacturing and miscellaneous equipment; incoming inspection to be
     performed as required on PCB's, cables, junction boxes, etc.; distribution
     of out-going mail; preparation of invoices

6.   Document Control (Dept. 535):
     ----------------------------

     Provide complete document control services to Media 100, including LOM and
     price file maintenance, master document and disk control and duplication,
     and MRP data entry; conduct weekly ECO reviews and ensure ECO's are
     properly reviewed and authorized




                                       7
<PAGE>   8

 7.  Second Shift Supervision:
     ------------------------

     Provide administrative support to Parent second shift manufacturing
     operations at Sub's facilities


 8.  Environmental Stress Screening (ESS):
     ------------------------------------

     Provide ESS service to Media 100 including maintenance of equipment and
     loading and unloading of chambers when necessary






























                                       8