How to show a lookup icon using VisualForce Page

Yes. we can certainly achieve using below steps.

Use standardController and “extensions”. Put your custom controller in extensions. it will work as you desire
this is example

<apex:page standardController="Account" extensions="customController"/>

VisualForce Page:

<apex:page controller="Lookup" >
Account Value : <apex:inputField value="{!acc.Parentid}"/>

Apex Class:

public with sharing class Lookup {
public Account acc{get;set;}
public Lookup () {
acc = new Account();

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Salesforce MVP | Lightning Champion | 17x Salesforce Certified | Application Architect | 7x Trailhead Ranger | Techforce Services | Australia

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